Functional circuit based on RK3588 base plate
By integrating multiple modules, the RK3588 baseboard circuit solves the problem of insufficient multi-screen display output function of SoC chips, realizes multi-screen display and rich communication interfaces, is suitable for a variety of complex application scenarios, and improves the functionality and security of the system.
Patent Information
- Application Number
- CN202423302141.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing SoC chips have relatively simple output interfaces and limited support for peripherals and display output functions when outputting video to multiple independent screens, making it difficult to meet the display needs of multiple screen formats.
Design a functional circuit based on the RK3588 baseboard, which integrates a core control module, power supply module, full-function TYPEC module, DEBUG serial port module, HDMI module, MIPI module, eDP display module, multi-communication interface module and sound card module, supports up to four independent video outputs, and improves the system's functionality, security and reliability through a power input protection module, RTC clock module and encryption chip module.
It provides rich interface support for multi-screen display applications, including up to 8K video decoding and 4K video encoding, suitable for complex scenarios such as industrial control, smart homes and network devices. It also provides a variety of communication interfaces and storage expansion functions, extending the service life of electronic devices and ensuring data security.
Smart Images

Figure CN223871054U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of integrated circuit boards, and in particular to a functional circuit based on the RK3588 baseboard. Background Technology
[0002] Currently, a system-on-a-chip (SoC) is an integrated circuit that integrates a complete computing system onto a single chip. It typically includes a processor core, memory, input / output interfaces, and other functional modules designed for specific applications. However, some current SoCs have relatively limited output interfaces, resulting in limited support for peripherals and display output functions when applications require simultaneous independent video output to screens of different formats. Therefore, improvements are needed. Summary of the Invention
[0003] In order to provide a SoC that supports multiple display outputs and enriches the functionality of the SoC, this application provides a functional circuit based on the RK3588 baseboard.
[0004] The above-mentioned inventive objective of this application is achieved through the following technical solutions:
[0005] A functional circuit based on the RK3588 baseboard includes a core control module, a power supply module, a full-function TYPEC module, a DEBUG serial port module, an HDMI module, a MIPI module, an eDP display module, a multi-communication interface module, and a sound card module. The power supply module provides the required power supply voltage for the RK3588 baseboard functional circuit. The core control module includes a first control BTB connector J1, a second control BTB connector J2, a third control BTB connector J3, and a fourth control BTB connector J4. The full-function TYPEC module is signal-connected to the third control BTB connector J3. The DEBUG serial port module is signal-connected to the first control BTB connector J1. The HDMI module is signal-connected to the first control BTB connector J1. The MIPI module is signal-connected to the third control BTB connector J3. The eDP display module is signal-connected to the first control BTB connector J1. The multi-communication interface modules are signal-connected to the second control BTB connector J2 and the fourth control BTB connector J4. The sound card module is signal-connected to the second control BTB connector J2.
[0006] Optionally, the power module includes a power input protection module, a power on / off button module, a DC-DC step-down module, and a charge / discharge and fuel gauge module. The power input protection module is electrically connected to the DC-DC step-down module, the charge / discharge and fuel gauge module, and the power on / off button module is electrically connected to the third control BTB connector J3. The DC-DC step-down module includes an 11.6V step-down submodule, a 4V step-down submodule, a 5V step-down submodule, a 3.3V step-down submodule, a 3.66V step-down submodule, and a 1.8V step-down submodule. The charge / discharge and fuel gauge module is electrically connected to the second control BTB connector J2.
[0007] Optionally, the power input protection module includes a primary surge protection unit, a primary common-mode interference suppression unit, and a secondary surge interference protection unit. The primary surge protection unit includes a fuse connected to the mains power. The primary common-mode interference suppression unit includes a common-mode inductor T1, the input terminal of which is coupled to the fuse, and the output terminal of which is electrically connected to the primary surge protection unit. The secondary surge interference protection unit includes several capacitors connected in parallel.
[0008] Optionally, it also includes an RTC clock module and an encryption chip module, both of which are connected to the first control BTB connector J1 signal, and the encryption chip module is connected to the RTC clock module signal.
[0009] Optionally, the multi-communication interface module includes a TF CARD submodule, an M.2 PCIE 3.0 submodule, an mSATA submodule, a USB 3.0 HOST submodule, a CAN submodule, and RS232 and RS485 / 422 communication submodules. The TF CARD submodule is signal-connected to the first control BTB connector J1, the M.2 PCIE 3.0 submodule is signal-connected to the second control BTB connector J2, the CAN submodule is signal-connected to the first control BTB connector J1, and the RS232 and RS485 / 422 communication submodules are signal-connected to both the second control BTB connector J2 and the fourth control BTB connector J4.
[0010] Optionally, it also includes an RGMII Gigabit Ethernet module, which includes an Ethernet chip of model YT8531H-CA, and the RGMII Gigabit Ethernet module is connected to the fourth control BTB connector J4 signal.
[0011] Optionally, the HDMI module includes an HDMI IN submodule and an HDMI OUT submodule. The HDMI IN submodule includes an HDMI input port, a remote control unit, a data transmission unit, and an electrostatic discharge (ESD) protection unit. The HDMI input port, remote control unit, data transmission unit, and ESD protection unit are all signal-connected to the first control BTB connector J1. The HDMI OUT submodule includes an HDMI output port, an output remote control unit, an output data transmission unit, and an audio return transmission unit. The HDMI output port, remote control unit, data transmission unit, and audio return transmission unit are all electrically connected to the first control BTB connector.
[0012] Optionally, the MIPI module includes a MIPI-CSI camera submodule and a MIPIM-OUT display submodule. The MIPI-CSI camera submodule includes four camera interfaces and a power supply unit. The power supply unit is electrically connected to a DC-DC step-down power supply module. The four camera interfaces are electrically connected to a third control BTB connector J3 and a fourth control BTB connector J4. The MIPIM-OUT display submodule includes a power supply regulator unit and two display output interfaces. The power supply regulator unit and the two display output interfaces are both coupled to the third control BTB connector J3.
[0013] In summary, this application includes at least one of the following beneficial technical effects:
[0014] 1. The RK3588 baseboard circuit adopts the ARM architecture, combining four high-performance Cortex-A76 cores and four high-efficiency Cortex-A55 cores, i.e., an 8-core CPU. It meets the needs of high-performance computing and multi-tasking, and also provides sufficient bandwidth support for high-resolution video processing and complex image algorithms. By integrating a full-function TYPEC module, DEBUG serial port module, HDMI module, MIPI module, eDP display module, multiple communication interface modules and sound card module, it supports up to four independent video outputs, up to 8K video decoding and 4K video encoding, and multiple operating systems. It is suitable for multi-screen display applications, and has a variety of communication interfaces, such as PCIe and SATA, to facilitate the connection of additional hardware modules.
[0015] 2. The power input protection module provides a first-level common-mode interference suppression unit to suppress differential-mode and common-mode interference and protect the circuit from external interference; it also provides a first-level surge protection unit and a second-level surge protection unit to protect electronic equipment from damage caused by voltage transients and extend the service life of electronic components. The DC-DC step-down module provides the different DC voltages required by each functional module in the RK3588 baseboard functional circuit.
[0016] 3. Working collaboratively within the RK3588 baseboard's functional circuitry, the RK3588 ensures the system's functionality, security, and reliability. The full-featured Type-C module provides versatile data and power interfaces, the RTC clock module ensures accurate system time, and the encryption chip module protects data security. Through this integration, the RK3588 baseboard can adapt to various complex application scenarios, such as industrial control, smart homes, and network equipment.
[0017] 4. The TF CARD submodule provides a MicroSD card slot for expanding storage space; the M.2 PCIE 3.0 submodule provides an M.2 interface supporting PCI Express 3.0 channels, allowing connection of solid-state drives (SSDs) or other high-speed devices; the mSATA submodule provides an mSATA (Mini-SATA) interface for connecting mSATA interface solid-state drives; the USB 3.0 HOST submodule provides a USB 3.0 host interface for connecting various USB devices, such as USB flash drives, hard drives, and printers; the CAN submodule provides a Controller Area Network (CAN) interface for data communication in automotive and industrial control fields; the RS232 communication interface provides an RS-232 serial communication interface for connecting various serial devices; and the RS485 / 422 communication interface provides RS-485 / RS-422 serial communication interfaces for multi-point communication and long-distance data transmission. Attached Figure Description
[0018] Figure 1 This is a schematic block diagram of a functional circuit based on the RK3588 baseboard of this application;
[0019] Figure 2 This is a schematic block diagram of the power supply module in a functional circuit based on the RK3588 baseboard of this application. Detailed Implementation
[0020] To make the purpose, technical solution, and advantages of this application clearer, the following description is provided in conjunction with the appendix. Figure 1-2 The present application will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the application.
[0021] This application discloses a functional circuit based on the RK3588 baseboard. (Refer to...) Figure 1 A functional circuit based on the RK3588 baseboard includes a core control module, a power supply module, a full-function TYPEC module, a DEBUG serial port module, an HDMI module, a MIPI module, an eDP display module, a multi-communication interface module, a sound card module, an RGMII gigabit Ethernet module, an RTC clock module, an encryption chip module, a 4G and SIM card module, a button module, and a heat dissipation module.
[0022] The core control module includes a first control BTB connector J1, a second control BTB connector J2, a third control BTB connector J3, and a fourth control BTB connector J4. A full-function TYPEC module is connected to the third control BTB connector J3. A DEBUG serial port module is connected to the first control BTB connector J1. An HDMI module is connected to the first control BTB connector J1. A MIPI module is connected to the third control BTB connector J3. An eDP display module is connected to the first control BTB connector J1. Multiple communication interfaces are connected to the second and fourth control BTB connectors J4. A sound card module is connected to the second control BTB connector J2. An RTC clock module and an encryption chip module are both connected to the first control BTB connector J1. The encryption chip module is connected to the RTC clock module. A 4G and SIM card module is connected to the second control BTB connector J2. A button module is connected to the first control BTB connector J1. A heat dissipation module is connected to the fourth control BTB connector J4.
[0023] The power module includes a power input protection module, a power on / off button module, a DC-DC step-down module, and a charge / discharge and fuel gauge module.
[0024] The power input protection module is electrically connected to the power supply DC-DC step-down module, the charging / discharging module, and the fuel meter module. The power input protection module includes a primary surge protection unit, a primary common-mode interference suppression unit, and a secondary surge interference protection unit. The primary surge protection unit includes a fuse connected to the mains power. The primary common-mode interference suppression unit includes a common-mode inductor T1, the input of which is coupled to the fuse, and the output of which is electrically connected to the secondary surge protection unit. The secondary surge interference protection unit includes several capacitors, five in this embodiment, connected in parallel to achieve power filtering.
[0025] The power switch button module is electrically connected to the third control BTB connector J3 to perform the power on / off function. The power DC-DC step-down module includes an 11.6V step-down submodule, a 4V step-down submodule, a 5V step-down submodule, a 3.3V step-down submodule, a 3.66V step-down submodule, and a 1.8V step-down submodule. The 11.6V step-down submodule is used to convert DC30V to DC11.6V voltage output; the 4V step-down submodule is used to convert DC11.6V to DC4V voltage output; the 5V step-down submodule is used to convert DC11.6V to DC5V voltage output; the 3.3V step-down submodule is used to convert DC11.6V and DC5V voltages to DC3.3V voltage output; the 3.66V step-down submodule is used to convert DC11.6V to DC3.66V voltage output; and the 1.8V step-down submodule is used to convert DC11.6V to DC1.8V voltage output.
[0026] The charge / discharge and power meter module includes a charger of model SC8886SQDER, and is electrically connected to the second control BTB connector J2.
[0027] The TYPEC module includes a full-featured TYPRC port and a USB 3.0 HOST port, with the full-featured TYPRC port supporting PD charging and downloading / burning.
[0028] The RTC clock module and the encryption chip module are both connected to the first control BTB connector J1 signal, and the encryption chip module is connected to the RTC clock module signal.
[0029] The DEBUG serial port module includes a DEBUG interface, which is connected to the second control BTB connector J2 signal.
[0030] There are two RGMII Gigabit Ethernet modules. The RGMII Gigabit Ethernet module includes an Ethernet chip of model YT8531H-CA and two RJ45 interfaces. The RGMII Gigabit Ethernet module is connected to the fourth control BTB connector J4 signal.
[0031] The HDMI module includes an HDMI IN sub-module and an HDMI OUT sub-module. The HDMI IN sub-module includes an HDMI input port, a remote control unit, a data transmission unit, and an electrostatic discharge (ESD) protection unit. The HDMI input port, remote control unit, data transmission unit, and ESD protection unit are all connected to the first control BTB connector J1. The HDMI OUT sub-module includes an HDMI output port, an output remote control unit, a data transmission unit, and an audio return unit. The HDMI output port, remote control unit, data transmission unit, and audio return unit are all electrically connected to the first control BTB connector. The HDMI output port outputs data through an electrical connection to the eDP module. The eDP module also includes a port for connecting to an eDP screen.
[0032] The MIPI module includes a MIPI-CSI camera submodule and a MIPIM-OUT display submodule. The MIPI-CSI camera submodule includes four camera interfaces and a power supply unit. The power supply unit is electrically connected to the power supply DC-DC step-down module. The four camera interfaces are signal connected to the third control BTB connector J3 and the fourth control BTB connector J4. The MIPIM-OUT display submodule includes a power supply regulator unit and two display output interfaces. The power supply regulator unit and the two display output interfaces are both coupled to the third control BTB connector J3.
[0033] The sound card module includes an encoder and decoder, a switch module, a headphone module, a microphone module, and a speaker module. The switch module is used to control the switching of the headphone module, microphone module, and speaker module. The encoder and decoder are used to connect to the second control BTB connector J2.
[0034] The multi-communication interface module includes a TF CARD submodule, an M.2 PCIE 3.0 submodule, an mSATA submodule, a USB 3.0 HOST submodule, a CAN submodule, and RS232 and RS485 / 422 communication submodules. The TF CARD submodule is electrically connected to the first control BTB connector J1, the M.2 PCIE 3.0 submodule is signal-connected to the second control BTB connector J2, the CAN submodule is signal-connected to the first control BTB connector J1, the RS232 communication submodule is signal-connected to the second control BTB connector J2, and the RS485 / 422 communication submodule and the fourth control BTB connector J4 are both signal-connected.
[0035] The button module is connected to the first control BTB connector J1 signal, providing a simple way for users to interact with the device.
[0036] The implementation principle of a functional circuit based on the RK3588 baseboard in this application embodiment is as follows: The RK3588 baseboard circuit adopts the ARM architecture, combining four high-performance Cortex-A76 cores and four high-efficiency Cortex-A55 cores, i.e., an 8-core CPU; it meets the needs of high-performance computing and multi-tasking, and also provides sufficient bandwidth support for high-resolution video processing and complex image algorithms. By integrating a full-function TYPEC module, DEBUG serial port module, HDMI module, MIPI module, eDP display module, multiple communication interface module and sound card module, it supports up to four independent video outputs, and up to 8K video decoding and 4K video encoding and multiple operating systems, making it suitable for multi-screen display applications. It also has a variety of communication interfaces, such as PCIe and SATA, which facilitates the connection of additional hardware modules.
[0037] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Any feature disclosed in this specification (including the abstract and drawings) may be replaced by other equivalent or similar features unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is only one example of a series of equivalent or similar features.
Claims
1. A functional circuit based on the RK3588 baseboard, characterized in that: The system includes a core control module, a power supply module, a full-function Type-C module, a DEBUG serial port module, an HDMI module, a MIPI module, an eDP display module, a multi-communication interface module, and a sound card module. The power supply module provides the necessary power supply voltage for the functional circuits of the RK3588 baseboard. The core control module includes a first control BTB connector J1, a second control BTB connector J2, a third control BTB connector J3, and a fourth control BTB connector J4. The full-function Type-C module is connected to the third control BTB connector J3. The DEBUG serial port module is connected to the first control BTB connector J1. The HDMI module is connected to the first control BTB connector J1. The MIPI module is connected to the third control BTB connector J3. The eDP display module is connected to the first control BTB connector J1. The multi-communication interface modules are connected to the second control BTB connector J2 and the fourth control BTB connector J4. The sound card module is connected to the second control BTB connector J2.
2. The functional circuit based on the RK3588 baseboard according to claim 1, characterized in that: The power module includes a power input protection module, a power on / off button module, a DC-DC step-down module, and a charge / discharge and fuel gauge module. The power input protection module is electrically connected to the DC-DC step-down module, the charge / discharge and fuel gauge module, and the power on / off button module is electrically connected to the third control BTB connector J3. The DC-DC step-down module includes an 11.6V step-down submodule, a 4V step-down submodule, a 5V step-down submodule, a 3.3V step-down submodule, a 3.66V step-down submodule, and a 1.8V step-down submodule. The charge / discharge and fuel gauge module is signal-connected to the second control BTB connector J2.
3. The functional circuit based on the RK3588 baseboard according to claim 2, characterized in that: The power input protection module includes a primary surge protection unit, a primary common-mode interference suppression unit, and a secondary surge interference protection unit. The primary surge protection unit includes a fuse connected to the mains power. The primary common-mode interference suppression unit includes a common-mode inductor T1, the input terminal of which is coupled to the fuse, and the output terminal of which is electrically connected to the primary surge protection unit. The secondary surge interference protection unit includes several capacitors connected in parallel.
4. The functional circuit based on the RK3588 baseboard according to claim 1, characterized in that: It also includes an RTC clock module and an encryption chip module, both of which are connected to the first control BTB connector J1 signal, and the encryption chip module is connected to the RTC clock module signal.
5. A functional circuit based on the RK3588 baseboard according to claim 1, characterized in that: The multi-communication interface module includes a TF CARD submodule, an M.2 PCIE 3.0 submodule, an mSATA submodule, a USB 3.0 HOST submodule, a CAN submodule, and RS232 and RS485 / 422 communication submodules. The TF CARD submodule is connected to the first control BTB connector J1, the M.2 PCIE 3.0 submodule is connected to the second control BTB connector J2, the CAN submodule is connected to the first control BTB connector J1, and the RS232 and RS485 / 422 communication submodules are connected to both the second control BTB connector J2 and the fourth control BTB connector J4.
6. A functional circuit based on the RK3588 baseboard according to claim 1, characterized in that: It also includes an RGMII Gigabit Ethernet module, which includes an Ethernet chip of model YT8531H-CA, and the RGMII Gigabit Ethernet module is connected to the fourth control BTB connector J4 signal.
7. A functional circuit based on the RK3588 baseboard according to claim 1, characterized in that: The HDMI module includes an HDMI IN submodule and an HDMI OUT submodule. The HDMI IN submodule includes an HDMI input port, a remote control unit, a data transmission unit, and an electrostatic discharge (ESD) protection unit. The HDMI input port, remote control unit, data transmission unit, and ESD protection unit are all connected to the first control BTB connector J1 via signal connection. The HDMI OUT submodule includes an HDMI output port, an output remote control unit, a data transmission unit, and an audio return unit. The HDMI output port, remote control unit, data transmission unit, and audio return unit are all connected to the first control BTB connector via signal connection.
8. A functional circuit based on an RK3588 baseboard according to claim 1, characterized in that, The MIPI module includes a MIPI-CSI camera submodule and a MIPIM-OUT display submodule. The MIPI-CSI camera submodule includes four camera interfaces and a power supply unit. The power supply unit is electrically connected to a DC-DC step-down power supply module. The four camera interfaces are signal-connected to the third control BTB connector J3 and the fourth control BTB connector J4. The MIPIM-OUT display submodule includes a power supply regulator unit and two display output interfaces. The power supply regulator unit and the two display output interfaces are both coupled to the third control BTB connector J3.