A wireless communication control circuit

Abstract

The utility model relates to the field of internet of things intelligent control technology especially relates to a wireless communication control circuit is applied to intelligent cloud box equipment, including CPU module, WIFI bluetooth module, RTC time management module, power module and step -down module, wherein, WIFI bluetooth module The RTC time management module and step -down module all with CPU module electric connection, CPU module adopts RK3588 type's processor chip, WIFI bluetooth module adopts AP6275P type's WIFI bluetooth chip, step -down module still with power module electric connection. Through the organic combination of high -performance CPU, multi -protocol wireless chip, accurate time management and efficient power management, this wireless communication control circuit improves the wireless communication ability of intelligent cloud box comprehensively, solves the deficiency of traditional equipment in communication stability, protocol support, processing efficiency and power consumption control.

Description

Technical Field

[0001] This utility model relates to the field of Internet of Things (IoT) intelligent control technology, and in particular to a wireless communication control circuit. Background Technology

[0002] The smart cloud box is an intelligent device integrating data acquisition, processing, and communication functions, enabling remote management and intelligent control of devices. With the rapid development of the Internet of Things (IoT) and smart homes, the smart cloud box plays an increasingly important role as a key node connecting various smart devices and cloud platforms. At the same time, as its functions continue to expand and application scenarios become increasingly diverse, user demands for smart cloud boxes are becoming more varied and complex. Especially in wireless communication, the smart cloud box not only needs to support multiple protocols such as WiFi and Bluetooth, but also must ensure communication stability and low power consumption to adapt to the needs of different environments and applications. However, existing smart cloud box wireless communication modules still have shortcomings in signal coverage, power consumption control, and multi-protocol compatibility, affecting the overall performance of the device and the user experience. Utility Model Content

[0003] In view of this, the present invention proposes a wireless communication control circuit, which aims to solve the problem of insufficient wireless communication capability of existing smart cloud boxes.

[0004] This utility model proposes a wireless communication control circuit for use in a smart cloud box device, comprising a CPU module, a WIFI / Bluetooth module, an RTC time management module, a power supply module, and a step-down module; wherein the WIFI / Bluetooth module, the RTC time management module, and the step-down module are all electrically connected to the CPU module, the CPU module uses an RK3588 processor chip, the WIFI / Bluetooth module uses an AP6275P WIFI / Bluetooth chip, and the step-down module is also electrically connected to the power supply module.

[0005] Furthermore, the WIFI Bluetooth module includes an AP6275P type WIFI Bluetooth chip U6300, antenna ANT6300, antenna ANT6301, capacitors C6300, C6301, C6302, C6303, C6305, C6306, C6313, iron core inductor L6300, iron core inductor L6301, capacitors C6318, C6321, C6319, C6320, C6316, C6317, resistors R6305, C6315, C6314, R6302, capacitors C6311, C6312, C6340, C6341, C6307, C6308, C6304, C4, and antenna ANT6302;

[0006] Specifically, pins 1, 3, 4, 5, 6, 7, 8, 10, 11, 23, 27, 30, 32, and 39 of the WIFI Bluetooth chip U6300 are all grounded. Pin 2 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6306 and one end of capacitor C6303. The other end of capacitor C6303 is connected to one end of capacitor C6301 and antenna ANT6301. The other ends of capacitors C6306 and C6301 are grounded. Pin 9 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6305 and one end of capacitor C6302. The other end of capacitor C6302 is connected to one end of capacitor C6300 and antenna ANT6300. The other ends of capacitors C6300 and C6305 are both grounded.

[0007] Pin 12 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_PERSTn_1V8 signal terminal; pin 13 of the U6300 Wi-Fi / Bluetooth chip is connected to the XIN_WIFI signal terminal; pin 14 of the U6300 Wi-Fi / Bluetooth chip is connected to the XOUT_WIFI signal terminal; pin 15 of the U6300 Wi-Fi / Bluetooth chip is connected to the WIFI_REG_ON_H signal terminal; pin 16 of the U6300 Wi-Fi / Bluetooth chip is connected to the WIFI_WAKE_HOST_H signal terminal; and pin 17 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_PERSTn_1V8 signal terminal. Pins 19 and 18 are both left floating. Pin 19 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SDI_M0_BT signal terminal. Pin 20 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SDO_M0_BT signal terminal. Pin 21 of the U6300 WIFI Bluetooth chip is connected to the I2S2_LRCK_M0_BT signal terminal. Pin 22 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SCLK_M0_BT signal terminal. Pin 24 of the U6300 WIFI Bluetooth chip is connected to the PCIE20_WAKEn_1V8 signal terminal.

[0008] Pin 26 of the Wi-Fi Bluetooth chip U6300 is connected to one end of the iron-core inductor L6300. The other end of the iron-core inductor L6300 is connected to pin 25 of the Wi-Fi Bluetooth chip U6300 and one end of capacitor C6313. Pin 28 of the Wi-Fi Bluetooth chip U6300 is connected to one end of the iron-core inductor L6301. The other end of the iron-core inductor L6301 is connected to pin 29 of the Wi-Fi Bluetooth chip U6300 and one end of capacitor C6318. Pin 31 of the Wi-Fi Bluetooth chip U6300 is connected to the 32KOUT_WIFI signal terminal and one end of capacitor C6321. Pin 33 of the Wi-Fi Bluetooth chip U6300 is connected to the PCIE20_1_REFCLKN signal terminal through capacitor C6320. Pin 35 of the Wi-Fi Bluetooth chip U6300 is connected to the PCIE... Pin 20_1_REFCLKP of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6316, one end of capacitor C6317, one end of resistor R6305, and the VCCIO_WL signal terminal. The other end of resistor R6305 is connected to the VCC_1V8_S3 signal terminal. Pin 36 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6315, one end of capacitor C6314, one end of resistor R6302, and the VCC3V3_PCIEWL_VBAT signal terminal. The other end of resistor R6302 is connected to the VCC_3V3_S3 signal terminal. The other ends of capacitors C6313, C6318, C6321, C6316, C6317, C6315, and C6314 are all grounded.

[0009] Pin 37 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_CLKREQn_1V8 signal terminal; pin 38 of the U6300 Wi-Fi / Bluetooth chip is connected to the BT_REG_ON_H signal terminal; pin 40 of the U6300 Wi-Fi / Bluetooth chip is connected to the UART9_RX_M0_BT signal terminal; and pin 41 of the U6300 Wi-Fi / Bluetooth chip is connected to the UART9_TX_M0_BT signal terminal. The U6300 Wi-Fi / Bluetooth chip... Pin 42 of the WIFI Bluetooth chip U6300 is connected to the UART9_CTSn_M0_BT signal terminal. Pin 43 of the WIFI Bluetooth chip U6300 is connected to the UART9_RTSn_M0_BT signal terminal. Pin 44 of the WIFI Bluetooth chip U6300 is connected to the PCIE20_1_TXN / SATA30_1_TXN signal terminal through capacitor C6341. Pin 45 of the WIFI Bluetooth chip U6300 is connected to the PCIE20_1_TXP signal terminal through capacitor C6340. The / SATA30_1_TXP signal terminal is connected to pin 46 of the U6300 Wi-Fi / Bluetooth chip via capacitor C6312. Pin 47 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_1_RXN / SATA30_1_RXN signal terminal via capacitor C6311. Pin 49 of the U6300 Wi-Fi / Bluetooth chip is connected to the HOST_WAKE_BT_H signal terminal. Pin 50 of the WIFI Bluetooth chip U6300 is connected to the BT_WAKE_HOST_H signal terminal. Pin 48 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6308 and one end of capacitor C6307. The other end of capacitor C6307 is connected to one end of capacitor C6304, one end of capacitor C4 and antenna ANT6302. The other end of capacitor C4 is connected to the TP1 test terminal. The other ends of capacitors C6308 and C6304 are both grounded.

[0010] Furthermore, the RTC time management module includes a HYM8563TS type RTC chip U2400, capacitors C2400 and C2402, a CRYSTAL_2P_CRY2_3R20X1R50X0R90 type crystal oscillator Y2400, resistors R2400 and R2410, capacitor C2401, dual diodes D2400, and a CR1220-3V type battery J2400;

[0011] Specifically, pin 1 of the RTC chip U2400 is connected to one end of capacitor C2400 and one end of crystal oscillator Y2400. Pin 2 of the RTC chip U2400 is connected to one end of capacitor C2402 and the other end of crystal oscillator Y2400. The other ends of capacitors C2400, C2402, and C2401 are all grounded. Pin 3 of the RTC chip U2400 is connected to the RTC_INT_L signal terminal. Pin 4 of the RTC chip U2400 is grounded. Pin 5 of the RTC chip U2400 is connected to the I2C6_SDA_3V3 signal terminal. Pin 6 of the RTC chip U2400... The pin 7 of the RTC chip U2400 is connected to one end of resistor R2410 and one end of resistor R2400. The other end of resistor R2410 is connected to the VCC_1V8_S3 signal terminal, and the other end of resistor R2400 is connected to the 32KOUT_WIFI signal terminal. The pin 8 of the RTC chip U2400 is connected to the other end of capacitor R2401, the VCC_RTC signal terminal, and the negative terminal of dual diode D2400. The positive terminal of dual diode D2400 is connected to the VCC_3V3_S3 signal terminal and the positive terminal of battery J2400. The negative terminal of battery J2400 is grounded.

[0012] Furthermore, the power module includes a WC-PD25C012J type power chip U9009 and a polarized capacitor AC42; wherein, the first pin of the power chip U9009 is connected to the VIN+ signal terminal, the second pin of the power chip U9009 is connected to the VIN- signal terminal, the third and sixth pins of the power chip U9009 are left floating, the fourth and seventh pins of the power chip U9009 are grounded, the fifth pin of the power chip U9009 is connected to the POE_12V signal terminal and the positive terminal of the polarized capacitor AC42 respectively, and the negative terminal of the polarized capacitor AC42 is grounded.

[0013] Furthermore, the step-down module includes an MP8759 type step-down chip U200, capacitors C2005, C2006, and C2007, resistors R2003 and R2007, capacitors C2015 and C2017, resistors R2009, R2010, R2011, and R2002, capacitor C2008, an iron-core inductor L2000, resistors R2004, C2009, R2006, C2016, R2005, and R2008, and polarized capacitors C2010, C2011, C2014, C2012, and C2013.

[0014] Specifically, pin 1 of the buck converter chip U200 is connected to one end of resistor R2003, one end of capacitor C2005, one end of capacitor C2006, one end of capacitor C2007, and the VCC12V_DCIN signal terminal. Pin 12 of the buck converter chip U200 is connected to the other end of resistor R2003, one end of resistor R2007, and one end of capacitor C2015. Pin 4 of the buck converter chip U200 is left floating. Pin 9 of the buck converter chip U200 is connected to one end of capacitor C2017, one end of resistor R2009, and one end of resistor R2010. Pin 3 of the buck converter chip U200 is connected to the other end of resistor R2009. Pin 6 of the buck converter chip U200 is connected to the other end of resistor R2010 and one end of resistor R2011. Pins 2 and 10 of the buck converter chip U200 are both grounded. Pin 5 of the buck converter chip U200 is connected to... One end of capacitor C2016 is connected to the VCC4V0_SYS signal terminal. Pin 7 of the step-down chip U200 is connected to one end of resistor R2004, one end of capacitor C2008, and one end of core inductor L2000. The other end of core inductor L2000 is connected to one end of capacitor C2009, one end of resistor R2006, the positive terminal of polarized capacitor C2010, one end of capacitor C2011, one end of capacitor C014, and one end of capacitor C2012. One end of capacitor C2013 and one end of capacitor C2009 are connected to the VCC4V0_SYS signal terminal. The other end of capacitor C2009 is connected to the other end of resistor R2004 and one end of resistor R2006. The other end of resistor R2006 is connected to pin 11 of the step-down chip U200, one end of resistor R2008 and the other end of resistor R2005. The other end of capacitor C2008 is connected to pin 8 of the step-down chip U200 through resistor R2002.

[0015] The other ends of capacitors C2005, C2006, C2007, R2007, C2015, C2017, R2011, C2016, R2008, the negative terminal of C2010, C2011, C2014, C2012, and C2013 are all grounded.

[0016] Compared with existing technologies, the beneficial effects of this utility model are as follows: A wireless communication control circuit, applied to a smart cloud box device, includes a CPU module, a WIFI / Bluetooth module, an RTC time management module, a power supply module, and a step-down module; wherein, the WIFI / Bluetooth module, the RTC time management module, and the step-down module are all electrically connected to the CPU module, the CPU module uses an RK3588 processor chip, the WIFI / Bluetooth module uses an AP6275P WIFI / Bluetooth chip, and the step-down module is also electrically connected to the power supply module. The RK3588 processor chip, as a high-performance multi-core processor, possesses powerful computing and processing capabilities, efficiently supporting complex wireless communication protocol stacks and multi-task processing, thereby reducing communication latency, increasing data throughput, and effectively solving the communication bottleneck problem caused by insufficient processing power in traditional smart cloud boxes. Combined with the dual-mode WiFi and Bluetooth communication function of the AP6275P WIFI / Bluetooth chip, this wireless communication control circuit can meet the smart cloud box's support requirements for multiple wireless protocols, enhancing the device's compatibility and flexibility, and overcoming the limitation of insufficient support for a single protocol. Meanwhile, the RTC time management module ensures accurate system time synchronization, assists in the timing control of wireless communication protocols and the implementation of energy-saving strategies, and further improves communication stability and efficiency. By organically combining a high-performance CPU, a multi-protocol wireless chip, precise time management, and efficient power management, this wireless communication control circuit comprehensively enhances the wireless communication capabilities of the smart cloud box, solving the shortcomings of traditional devices in terms of communication stability, protocol support, processing efficiency, and power consumption control, and meeting the diverse needs of the smart cloud box in complex application environments. Attached Figure Description

[0017] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0018] Figure 1 A structural block diagram of the wireless communication control circuit provided in the embodiments of this utility model;

[0019] Figure 2 A circuit structure diagram of the WIFI Bluetooth module provided in an embodiment of this utility model;

[0020] Figure 3 Circuit structure diagram of the RTC time management module provided in this embodiment of the utility model;

[0021] Figure 4 A circuit diagram of the power module provided for an embodiment of this utility model;

[0022] Figure 5 The circuit structure diagram of the step-down module provided in the embodiment of this utility model. Detailed Implementation

[0023] The solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0024] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0025] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0026] Please refer to Figure 1 As shown, this utility model proposes a wireless communication control circuit for use in a smart cloud box device, including a CPU module, a WIFI / Bluetooth module, an RTC time management module, a power supply module, and a step-down module; wherein, the WIFI / Bluetooth module, the RTC time management module, and the step-down module are all electrically connected to the CPU module, the CPU module uses an RK3588 processor chip, the WIFI / Bluetooth module uses an AP6275P WIFI / Bluetooth chip, and the step-down module is also electrically connected to the power supply module.

[0027] Specifically, the RK3588 processor chip adopts a Big.LITTLE octa-core architecture, including four high-performance Cortex-A76 cores (2.0-2.4GHz) and four high-efficiency Cortex-A55 cores (1.7-1.8GHz), achieving an optimal balance between performance and power consumption through a dynamic scheduling mechanism. It features a built-in independent NPU with a computing power of up to 6 TOPS (INT8), supports mainstream AI frameworks such as TensorFlow and MXNet, and possesses powerful AI acceleration capabilities, making it suitable for applications such as image recognition and machine vision. The RK3588 processor chip is widely used in 8K OTT boxes, cloud gaming hosts, and NVR devices, supporting multi-path AI inference and meeting the high-performance requirements of smart cloud boxes in edge computing and smart terminal fields.

[0028] Compared to existing technologies, the RK3588 processor chip, as a high-performance multi-core processor, possesses powerful computing and processing capabilities. It efficiently supports complex wireless communication protocol stacks and multitasking, thereby reducing communication latency and increasing data throughput, effectively solving the communication bottleneck problem caused by insufficient processing power in traditional smart cloud boxes. Combined with the AP6275P WIFI and Bluetooth chip's dual-mode communication functionality, this wireless communication control circuit meets the smart cloud box's support requirements for multiple wireless protocols, enhancing device compatibility and flexibility, and overcoming the limitations of insufficient single-protocol support. Simultaneously, the RTC time management module ensures accurate system time synchronization, assisting in the timing control of wireless communication protocols and the implementation of energy-saving strategies, further improving communication stability and efficiency. By organically combining a high-performance CPU, a multi-protocol wireless chip, precise time management, and efficient power management, this wireless communication control circuit comprehensively enhances the wireless communication capabilities of the smart cloud box, solving the shortcomings of traditional devices in communication stability, protocol support, processing efficiency, and power consumption control, and meeting the diverse needs of smart cloud boxes in complex application environments.

[0029] Please refer to Figure 2As shown in some embodiments of this application, the WIFI Bluetooth module includes an AP6275P type WIFI Bluetooth chip U6300, antenna ANT6300, antenna ANT6301, capacitors C6300, C6301, C6302, C6303, C6305, C6306, C6313, iron core inductor L6300, iron core inductor L6301, capacitors C6318, C6321, C6319, C6320, C6316, C6317, resistors R6305, C6315, C6314, R6302, capacitors C6311, C6312, C6340, C6341, C6307, C6308, C6304, C4, and antenna ANT6302;

[0030] Specifically, pins 1, 3, 4, 5, 6, 7, 8, 10, 11, 23, 27, 30, 32, and 39 of the WIFI Bluetooth chip U6300 are all grounded. Pin 2 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6306 and one end of capacitor C6303. The other end of capacitor C6303 is connected to one end of capacitor C6301 and antenna ANT6301. The other ends of capacitors C6306 and C6301 are grounded. Pin 9 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6305 and one end of capacitor C6302. The other end of capacitor C6302 is connected to one end of capacitor C6300 and antenna ANT6300. The other ends of capacitors C6300 and C6305 are both grounded.

[0031] Pin 12 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_PERSTn_1V8 signal terminal; pin 13 of the U6300 Wi-Fi / Bluetooth chip is connected to the XIN_WIFI signal terminal; pin 14 of the U6300 Wi-Fi / Bluetooth chip is connected to the XOUT_WIFI signal terminal; pin 15 of the U6300 Wi-Fi / Bluetooth chip is connected to the WIFI_REG_ON_H signal terminal; pin 16 of the U6300 Wi-Fi / Bluetooth chip is connected to the WIFI_WAKE_HOST_H signal terminal; and pin 17 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_PERSTn_1V8 signal terminal. Pins 19 and 18 are both left floating. Pin 19 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SDI_M0_BT signal terminal. Pin 20 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SDO_M0_BT signal terminal. Pin 21 of the U6300 WIFI Bluetooth chip is connected to the I2S2_LRCK_M0_BT signal terminal. Pin 22 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SCLK_M0_BT signal terminal. Pin 24 of the U6300 WIFI Bluetooth chip is connected to the PCIE20_WAKEn_1V8 signal terminal.

[0032] Pin 26 of the Wi-Fi Bluetooth chip U6300 is connected to one end of the iron-core inductor L6300. The other end of the iron-core inductor L6300 is connected to pin 25 of the Wi-Fi Bluetooth chip U6300 and one end of capacitor C6313. Pin 28 of the Wi-Fi Bluetooth chip U6300 is connected to one end of the iron-core inductor L6301. The other end of the iron-core inductor L6301 is connected to pin 29 of the Wi-Fi Bluetooth chip U6300 and one end of capacitor C6318. Pin 31 of the Wi-Fi Bluetooth chip U6300 is connected to the 32KOUT_WIFI signal terminal and one end of capacitor C6321. Pin 33 of the Wi-Fi Bluetooth chip U6300 is connected to the PCIE20_1_REFCLKN signal terminal through capacitor C6320. Pin 35 of the Wi-Fi Bluetooth chip U6300 is connected to the PCIE... Pin 20_1_REFCLKP of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6316, one end of capacitor C6317, one end of resistor R6305, and the VCCIO_WL signal terminal. The other end of resistor R6305 is connected to the VCC_1V8_S3 signal terminal. Pin 36 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6315, one end of capacitor C6314, one end of resistor R6302, and the VCC3V3_PCIEWL_VBAT signal terminal. The other end of resistor R6302 is connected to the VCC_3V3_S3 signal terminal. The other ends of capacitors C6313, C6318, C6321, C6316, C6317, C6315, and C6314 are all grounded.

[0033] Pin 37 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_CLKREQn_1V8 signal terminal; pin 38 of the U6300 Wi-Fi / Bluetooth chip is connected to the BT_REG_ON_H signal terminal; pin 40 of the U6300 Wi-Fi / Bluetooth chip is connected to the UART9_RX_M0_BT signal terminal; and pin 41 of the U6300 Wi-Fi / Bluetooth chip is connected to the UART9_TX_M0_BT signal terminal. The U6300 Wi-Fi / Bluetooth chip... Pin 42 of the WIFI Bluetooth chip U6300 is connected to the UART9_CTSn_M0_BT signal terminal. Pin 43 of the WIFI Bluetooth chip U6300 is connected to the UART9_RTSn_M0_BT signal terminal. Pin 44 of the WIFI Bluetooth chip U6300 is connected to the PCIE20_1_TXN / SATA30_1_TXN signal terminal through capacitor C6341. Pin 45 of the WIFI Bluetooth chip U6300 is connected to the PCIE20_1_TXP signal terminal through capacitor C6340. The / SATA30_1_TXP signal terminal is connected to pin 46 of the U6300 Wi-Fi / Bluetooth chip via capacitor C6312. Pin 47 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_1_RXN / SATA30_1_RXN signal terminal via capacitor C6311. Pin 49 of the U6300 Wi-Fi / Bluetooth chip is connected to the HOST_WAKE_BT_H signal terminal. Pin 50 of the WIFI Bluetooth chip U6300 is connected to the BT_WAKE_HOST_H signal terminal. Pin 48 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6308 and one end of capacitor C6307. The other end of capacitor C6307 is connected to one end of capacitor C6304, one end of capacitor C4 and antenna ANT6302. The other end of capacitor C4 is connected to the TP1 test terminal. The other ends of capacitors C6308 and C6304 are both grounded.

[0034] Specifically, the AP6275P Wi-Fi and Bluetooth chip, launched by AMPAK, is a dual-mode wireless communication module supporting Wi-Fi 6 (802.11ax) and Bluetooth 5.3. Designed specifically for smart terminal devices, it meets the demands for high-speed, low-latency wireless connectivity. This chip utilizes 2T2R MIMO technology, achieving a theoretical speed of up to 1200Mbps in the 5GHz band, significantly improving wireless transmission speed and network stability. Simultaneously, it is compatible with the Bluetooth 5.3 standard, supporting BR / EDR / LE dual-mode and low-power transmission, enhancing device wireless compatibility and battery life, adapting to complex and ever-changing wireless environments, and improving the communication performance and user experience of smart cloud boxes.

[0035] Please refer to Figure 3 As shown, in some embodiments of this application, the RTC time management module includes a HYM8563TS type RTC chip U2400, capacitors C2400 and C2402, a CRYSTAL_2P_CRY2_3R20X1R50X0R90 type crystal oscillator Y2400, resistors R2400 and R2410, capacitor C2401, dual diodes D2400, and a CR1220-3V type battery J2400;

[0036] Specifically, pin 1 of the RTC chip U2400 is connected to one end of capacitor C2400 and one end of crystal oscillator Y2400. Pin 2 of the RTC chip U2400 is connected to one end of capacitor C2402 and the other end of crystal oscillator Y2400. The other ends of capacitors C2400, C2402, and C2401 are all grounded. Pin 3 of the RTC chip U2400 is connected to the RTC_INT_L signal terminal. Pin 4 of the RTC chip U2400 is grounded. Pin 5 of the RTC chip U2400 is connected to the I2C6_SDA_3V3 signal terminal. Pin 6 of the RTC chip U2400... The pin 7 of the RTC chip U2400 is connected to one end of resistor R2410 and one end of resistor R2400. The other end of resistor R2410 is connected to the VCC_1V8_S3 signal terminal, and the other end of resistor R2400 is connected to the 32KOUT_WIFI signal terminal. The pin 8 of the RTC chip U2400 is connected to the other end of capacitor R2401, the VCC_RTC signal terminal, and the negative terminal of dual diode D2400. The positive terminal of dual diode D2400 is connected to the VCC_3V3_S3 signal terminal and the positive terminal of battery J2400. The negative terminal of battery J2400 is grounded.

[0037] Specifically, the HYM8563TS RTC chip is a low-power real-time clock (RTC) chip designed to provide high-precision time management for embedded systems. Its typical operating current is only 800μA, it supports a mains power supply from 1.8V to 5.5V, and is compatible with coin cells (such as the CR2032) for power-off continuity, ensuring accurate timekeeping even when power is off. This RTC chip features a built-in 32.768kHz crystal oscillator with temperature compensation, an annual error of only ±5ppm (approximately ±2.6 minutes / year), and provides multiple timing registers for seconds, minutes, hours, date, day of the week, month, and year, meeting the needs of smart devices for precise time synchronization and low-power operation.

[0038] Please refer to Figure 4As shown, in some embodiments of this application, the power module includes a WC-PD25C012J type power chip U9009 and a polarized capacitor AC42; wherein, the first pin of the power chip U9009 is connected to the VIN+ signal terminal, the second pin of the power chip U9009 is connected to the VIN- signal terminal, the third and sixth pins of the power chip U9009 are floating, the fourth and seventh pins of the power chip U9009 are grounded, the fifth pin of the power chip U9009 is connected to the POE_12V signal terminal and the positive terminal of the polarized capacitor AC42 respectively, and the negative terminal of the polarized capacitor AC42 is grounded.

[0039] Specifically, the WC-PD25C012J power chip supports Power over Network (PoE) technology, enabling dual-function transmission of data and DC power via Ethernet cables (such as Cat.5e), and is compatible with various devices such as IP phones, cameras, and wireless access points. Its power supply modes include mid-line bridging and end-line bridging, utilizing idle wire pairs or data pairs to transmit power and data simultaneously, greatly simplifying cabling design. In industrial applications, this power chip replaces traditional power cables with a single network cable, significantly reducing the deployment cost of electronic factory monitoring systems (such as cameras and sensors). It also supports remote power-on and power-off management of PoE switches, enhancing network intelligence and redundancy, and meeting the high-efficiency power supply requirements of complex industrial environments.

[0040] Please refer to Figure 5 As shown, in some embodiments of this application, the step-down module includes an MP8759 type step-down chip U200, capacitors C2005, C2006, and C2007, resistors R2003 and R2007, capacitors C2015 and C2017, resistors R2009, R2010, R2011, and R2002, capacitor C2008, an iron-core inductor L2000, resistors R2004, C2009, R2006, C2016, R2005, and R2008, and polarized capacitors C2010, C2011, C2014, C2012, and C2013.

[0041] Specifically, pin 1 of the buck converter chip U200 is connected to one end of resistor R2003, one end of capacitor C2005, one end of capacitor C2006, one end of capacitor C2007, and the VCC12V_DCIN signal terminal. Pin 12 of the buck converter chip U200 is connected to the other end of resistor R2003, one end of resistor R2007, and one end of capacitor C2015. Pin 4 of the buck converter chip U200 is left floating. Pin 9 of the buck converter chip U200 is connected to one end of capacitor C2017, one end of resistor R2009, and one end of resistor R2010. Pin 3 of the buck converter chip U200 is connected to the other end of resistor R2009. Pin 6 of the buck converter chip U200 is connected to the other end of resistor R2010 and one end of resistor R2011. Pins 2 and 10 of the buck converter chip U200 are both grounded. Pin 5 of the buck converter chip U200 is connected to... One end of capacitor C2016 is connected to the VCC4V0_SYS signal terminal. Pin 7 of the step-down chip U200 is connected to one end of resistor R2004, one end of capacitor C2008, and one end of core inductor L2000. The other end of core inductor L2000 is connected to one end of capacitor C2009, one end of resistor R2006, the positive terminal of polarized capacitor C2010, one end of capacitor C2011, one end of capacitor C014, and one end of capacitor C2012. One end of capacitor C2013 and one end of capacitor C2009 are connected to the VCC4V0_SYS signal terminal. The other end of capacitor C2009 is connected to the other end of resistor R2004 and one end of resistor R2006. The other end of resistor R2006 is connected to pin 11 of the step-down chip U200, one end of resistor R2008 and the other end of resistor R2005. The other end of capacitor C2008 is connected to pin 8 of the step-down chip U200 through resistor R2002.

[0042] The other ends of capacitors C2005, C2006, C2007, R2007, C2015, C2017, R2011, C2016, R2008, the negative terminal of C2010, C2011, C2014, C2012, and C2013 are all grounded.

[0043] Specifically, the MP8759 buck converter is a high-performance synchronous buck converter with multi-mode energy efficiency management. It supports switching between USM (Ultra-Audio), PFM, and PWM modes, ensuring an efficiency of over 85% under light loads. It also optimizes load and line regulation through a DC automatic adjustment loop, achieving an output voltage accuracy of ±1%. This buck converter integrates multiple protection mechanisms, including overcurrent protection (OCP), overvoltage protection (OVP), undervoltage protection (UVP), and overtemperature protection. It can automatically recover operation after a fault, and its internal soft-start design effectively avoids inrush current impacts. Furthermore, the MP8759 buck converter supports enabling and disabling the chip via the logic level of the EN pin, while the PG pin provides a power status indication, facilitating system monitoring and control and improving the overall safety and reliability of power management.

[0044] It should be noted that other pin connection structures and related component parameters not mentioned in the text description can be found in the attached diagram, and will not be elaborated upon here. Furthermore, the above connection layout is only an example; in actual applications, other connection schemes can be adopted according to specific requirements, and will not be further illustrated here.

[0045] The wireless communication control circuit provided in this embodiment integrates a high-performance RK3588 processor and an AP6275P WiFi 6+Bluetooth 5.3 dual-mode chip, possessing powerful computing capabilities and high-speed, stable wireless connectivity. Combined with a low-power, high-precision HYM8563TS real-time clock chip, it achieves precise time management and energy-saving control. Simultaneously, the WC-PD25C012J chip, supporting PoE power supply, simplifies wiring and enhances power supply intelligence. The MP8759 step-down chip ensures efficient and stable power supply and multiple protections. The overall solution balances performance, power consumption, and reliability, meeting the diverse needs of complex wireless communication devices such as smart cloud boxes.

[0046] It should be noted that the technical solutions of the various embodiments of this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0047] The above description is only a part or preferred embodiment of this utility model. Neither the text nor the drawings should limit the scope of protection of this utility model. All equivalent structural transformations made using the content of this utility model specification and drawings under the overall concept of this utility model, or direct / indirect applications in other related technical fields, are included within the scope of protection of this utility model.

Claims

1. A wireless communication control circuit, applied to a smart cloud box device, characterized in that, It includes a CPU module, a WIFI / Bluetooth module, an RTC time management module, a power supply module, and a buck module; wherein the WIFI / Bluetooth module, the RTC time management module, and the buck module are all electrically connected to the CPU module, the CPU module uses an RK3588 processor chip, the WIFI / Bluetooth module uses an AP6275P WIFI / Bluetooth chip, and the buck module is also electrically connected to the power supply module; The RTC time management module includes a HYM8563TS type RTC chip U2400, capacitors C2400 and C2402, a CRYSTAL_2P_CRY2_3R20X1R50X0R90 type crystal oscillator Y2400, resistors R2400 and R2410, capacitor C2401, dual diodes D2400, and a CR1220-3V type battery J2400; Specifically, pin 1 of the RTC chip U2400 is connected to one end of capacitor C2400 and one end of crystal oscillator Y2400. Pin 2 of the RTC chip U2400 is connected to one end of capacitor C2402 and the other end of crystal oscillator Y2400. The other ends of capacitors C2400, C2402, and C2401 are all grounded. Pin 3 of the RTC chip U2400 is connected to the RTC_INT_L signal terminal. Pin 4 of the RTC chip U2400 is grounded. Pin 5 of the RTC chip U2400 is connected to the I2C6_SDA_3V3 signal terminal. Pin 6 of the RTC chip U2400... The pin 7 of the RTC chip U2400 is connected to one end of resistor R2410 and one end of resistor R2400. The other end of resistor R2410 is connected to the VCC_1V8_S3 signal terminal, and the other end of resistor R2400 is connected to the 32KOUT_WIFI signal terminal. The pin 8 of the RTC chip U2400 is connected to the other end of capacitor R2401, the VCC_RTC signal terminal, and the negative terminal of dual diode D2400. The positive terminal of dual diode D2400 is connected to the VCC_3V3_S3 signal terminal and the positive terminal of battery J2400. The negative terminal of battery J2400 is grounded.

2. The wireless communication control circuit according to claim 1, characterized in that, The WIFI Bluetooth module includes an AP6275P type WIFI Bluetooth chip U6300, antenna ANT6300, antenna ANT6301, capacitors C6300, C6301, C6302, C6303, C6305, C6306, C6313, iron core inductor L6300, iron core inductor L6301, capacitors C6318, C6321, C6319, C6320, C6316, C6317, resistors R6305, C6315, C6314, R6302, C6311, C6312, C6340, C6341, C6307, C6308, C6304, C4, and antenna ANT6302; Specifically, pins 1, 3, 4, 5, 6, 7, 8, 10, 11, 23, 27, 30, 32, and 39 of the WIFI Bluetooth chip U6300 are all grounded. Pin 2 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6306 and one end of capacitor C6303. The other end of capacitor C6303 is connected to one end of capacitor C6301 and antenna ANT6301. The other ends of capacitors C6306 and C6301 are grounded. Pin 9 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6305 and one end of capacitor C6302. The other end of capacitor C6302 is connected to one end of capacitor C6300 and antenna ANT6300. The other ends of capacitors C6300 and C6305 are both grounded. Pin 12 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_PERSTn_1V8 signal terminal; pin 13 of the U6300 Wi-Fi / Bluetooth chip is connected to the XIN_WIFI signal terminal; pin 14 of the U6300 Wi-Fi / Bluetooth chip is connected to the XOUT_WIFI signal terminal; pin 15 of the U6300 Wi-Fi / Bluetooth chip is connected to the WIFI_REG_ON_H signal terminal; pin 16 of the U6300 Wi-Fi / Bluetooth chip is connected to the WIFI_WAKE_HOST_H signal terminal; and pin 17 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_PERSTn_1V8 signal terminal. Pins 19 and 18 are both left floating. Pin 19 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SDI_M0_BT signal terminal. Pin 20 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SDO_M0_BT signal terminal. Pin 21 of the U6300 WIFI Bluetooth chip is connected to the I2S2_LRCK_M0_BT signal terminal. Pin 22 of the U6300 WIFI Bluetooth chip is connected to the I2S2_SCLK_M0_BT signal terminal. Pin 24 of the U6300 WIFI Bluetooth chip is connected to the PCIE20_WAKEn_1V8 signal terminal. Pin 26 of the Wi-Fi Bluetooth chip U6300 is connected to one end of the iron-core inductor L6300. The other end of the iron-core inductor L6300 is connected to pin 25 of the Wi-Fi Bluetooth chip U6300 and one end of capacitor C6313. Pin 28 of the Wi-Fi Bluetooth chip U6300 is connected to one end of the iron-core inductor L6301. The other end of the iron-core inductor L6301 is connected to pin 29 of the Wi-Fi Bluetooth chip U6300 and one end of capacitor C6318. Pin 31 of the Wi-Fi Bluetooth chip U6300 is connected to the 32KOUT_WIFI signal terminal and one end of capacitor C6321. Pin 33 of the Wi-Fi Bluetooth chip U6300 is connected to the PCIE20_1_REFCLKN signal terminal through capacitor C6320. Pin 35 of the Wi-Fi Bluetooth chip U6300 is connected to the PCIE... Pin 20_1_REFCLKP of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6316, one end of capacitor C6317, one end of resistor R6305, and the VCCIO_WL signal terminal. The other end of resistor R6305 is connected to the VCC_1V8_S3 signal terminal. Pin 36 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6315, one end of capacitor C6314, one end of resistor R6302, and the VCC3V3_PCIEWL_VBAT signal terminal. The other end of resistor R6302 is connected to the VCC_3V3_S3 signal terminal. The other ends of capacitors C6313, C6318, C6321, C6316, C6317, C6315, and C6314 are all grounded. Pin 37 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_CLKREQn_1V8 signal terminal; pin 38 of the U6300 Wi-Fi / Bluetooth chip is connected to the BT_REG_ON_H signal terminal; pin 40 of the U6300 Wi-Fi / Bluetooth chip is connected to the UART9_RX_M0_BT signal terminal; and pin 41 of the U6300 Wi-Fi / Bluetooth chip is connected to the UART9_TX_M0_BT signal terminal. The U6300 Wi-Fi / Bluetooth chip... Pin 42 of the WIFI Bluetooth chip U6300 is connected to the UART9_CTSn_M0_BT signal terminal. Pin 43 of the WIFI Bluetooth chip U6300 is connected to the UART9_RTSn_M0_BT signal terminal. Pin 44 of the WIFI Bluetooth chip U6300 is connected to the PCIE20_1_TXN / SATA30_1_TXN signal terminal through capacitor C6341. Pin 45 of the WIFI Bluetooth chip U6300 is connected to the PCIE20_1_TXP signal terminal through capacitor C6340. The / SATA30_1_TXP signal terminal is connected to pin 46 of the U6300 Wi-Fi / Bluetooth chip via capacitor C6312. Pin 47 of the U6300 Wi-Fi / Bluetooth chip is connected to the PCIE20_1_RXN / SATA30_1_RXN signal terminal via capacitor C6311. Pin 49 of the U6300 Wi-Fi / Bluetooth chip is connected to the HOST_WAKE_BT_H signal terminal. Pin 50 of the WIFI Bluetooth chip U6300 is connected to the BT_WAKE_HOST_H signal terminal. Pin 48 of the WIFI Bluetooth chip U6300 is connected to one end of capacitor C6308 and one end of capacitor C6307. The other end of capacitor C6307 is connected to one end of capacitor C6304, one end of capacitor C4 and antenna ANT6302. The other end of capacitor C4 is connected to the TP1 test terminal. The other ends of capacitors C6308 and C6304 are both grounded.

3. The wireless communication control circuit according to claim 1, characterized in that, The power module includes a WC-PD25C012J type power chip U9009 and a polarized capacitor AC42. Pin 1 of the power chip U9009 is connected to the VIN+ signal terminal, pin 2 is connected to the VIN- signal terminal, pins 3 and 6 are left floating, pins 4 and 7 are grounded, pin 5 is connected to the POE_12V signal terminal and the positive terminal of the polarized capacitor AC42, and the negative terminal of the polarized capacitor AC42 is grounded.

4. The wireless communication control circuit according to claim 1, characterized in that, The step-down module includes an MP8759 type step-down chip U200, capacitors C2005, C2006, and C2007, resistors R2003 and R2007, capacitors C2015 and C2017, resistors R2009, R2010, R2011, and R2002, capacitor C2008, an iron-core inductor L2000, resistors R2004, C2009, R2006, C2016, R2005, and R2008, and polarized capacitors C2010, C2011, C2014, C2012, and C2013. Specifically, pin 1 of the buck converter chip U200 is connected to one end of resistor R2003, one end of capacitor C2005, one end of capacitor C2006, one end of capacitor C2007, and the VCC12V_DCIN signal terminal. Pin 12 of the buck converter chip U200 is connected to the other end of resistor R2003, one end of resistor R2007, and one end of capacitor C2015. Pin 4 of the buck converter chip U200 is left floating. Pin 9 of the buck converter chip U200 is connected to one end of capacitor C2017, one end of resistor R2009, and one end of resistor R2010. Pin 3 of the buck converter chip U200 is connected to the other end of resistor R2009. Pin 6 of the buck converter chip U200 is connected to the other end of resistor R2010 and one end of resistor R2011. Pins 2 and 10 of the buck converter chip U200 are both grounded. Pin 5 of the buck converter chip U200 is connected to... One end of capacitor C2016 is connected to the VCC4V0_SYS signal terminal. Pin 7 of the step-down chip U200 is connected to one end of resistor R2004, one end of capacitor C2008, and one end of core inductor L2000. The other end of core inductor L2000 is connected to one end of capacitor C2009, one end of resistor R2006, the positive terminal of polarized capacitor C2010, one end of capacitor C2011, one end of capacitor C014, and one end of capacitor C2012. One end of capacitor C2013 and one end of capacitor C2009 are connected to the VCC4V0_SYS signal terminal. The other end of capacitor C2009 is connected to the other end of resistor R2004 and one end of resistor R2006. The other end of resistor R2006 is connected to pin 11 of the step-down chip U200, one end of resistor R2008 and the other end of resistor R2005. The other end of capacitor C2008 is connected to pin 8 of the step-down chip U200 through resistor R2002. The other ends of capacitors C2005, C2006, C2007, R2007, C2015, C2017, R2011, C2016, R2008, the negative terminal of C2010, C2011, C2014, C2012, and C2013 are all grounded.

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