Multifunctional power management and signal processing circuit

Abstract

The utility model relates to a multifunctional power management and signal processing circuit. A traditional power supply management circuit usually has the problems of single function and low integration level, in addition, along with the increase of functions of electronic equipment, the complexity of a signal processing circuit is continuously improved, and how to effectively integrate various functional circuits becomes a main challenge faced by a designer. The device comprises a power supply input module, a signal processing module, a state indication module and a power supply output module. The signal processing module is electrically connected with the power input module, the state indication module and the power output module. The state indication module is electrically connected with the power input module and the signal processing module. The signal processing module comprises a first sub-module, a second sub-module and a third sub-module, the first sub-module is connected with the power interface J1 in series, the second sub-module is connected with the first sub-module in parallel, and the third sub-module is connected with the first sub-module in series. The multifunctional power supply is multifunctional, and can efficiently integrate various functional circuits.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic circuit design, and particularly relates to a multifunctional power management and signal processing circuit. Background Art

[0002] With the wide application of electronic devices, power management and signal processing have become key factors in optimizing the performance of devices. Traditional power management circuits usually have the problems of single function and low integration level, and it is difficult to meet the requirements of modern electronic devices for efficient, stable and flexible power regulation. In addition, with the increase in the functions of electronic devices, the complexity of signal processing circuits is also constantly increasing, and how to effectively integrate multiple functional circuits has become the main challenge faced by designers.

[0003] Therefore, developing a circuit that can integrate multiple functions and has high-efficiency power management and signal processing capabilities has important technical significance and application value. Summary of the Invention

[0004] The purpose of the utility model is to provide a multifunctional power management and signal processing circuit to at least solve the problems of single function of the existing power management circuit and inability to efficiently integrate multiple functional circuits.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A multifunctional power management and signal processing circuit includes a power input module, a signal processing module, a status indication module and a power output module;

[0007] The signal processing module is electrically connected to the power input module, the status indication module and the power output module respectively, and the status indication module is electrically connected to the power input module and the signal processing module respectively;

[0008] The signal processing module includes sub-module one, sub-module two and sub-module three. Sub-module one is connected in series with the power interface J1, sub-module two is connected in parallel with sub-module one, and sub-module three is connected in series with sub-module one;

[0009] Sub-module one includes a resistor R68, a transistor Q5 and a capacitor C6. The transistor Q5 is connected in series with the power interface J1, and the resistor R68 and the capacitor C6 are connected in parallel with the transistor Q5 respectively;

[0010] The second sub-module includes a chip U3, a power interface J4, a power interface J5, a capacitor C1, a resistor RV1, a resistor R1, a resistor R21, a resistor RT1, a resistor R4, a capacitor C2, and a resistor R12. The chip U3 is connected in parallel with the power interface J1. The power interface J4, the power interface J5, the resistor RV1, the resistor R1, the resistor R4, the capacitor C2, and the resistor R12 are respectively connected to the chip U3. The capacitor C1 is connected in parallel with the power interface J4 and the power interface J5. The resistor R21 is connected to the resistor RV1 and the resistor R1. The resistor RT1 is connected to the resistor R21 and the resistor R4;

[0011] The third sub-module includes a resistor R15, a resistor R69, a resistor R70, a transistor Q3, a resistor R76, a resistor R77, and a transistor Q2. The resistor R15, the resistor R69, the transistor Q3, the resistor R76, and the transistor Q2 are respectively connected in series with the power interface J1. The resistor R70 is connected in parallel with the resistor R69.

[0012] Further, the power input module includes a power interface J1, a resistor R17, a capacitor C4, and a power interface J3. The resistor R17 is connected in series with the power interface J1. The capacitor C4 is connected in parallel with the resistor R17. The power interface J3 is grounded.

[0013] Further, the status indication module includes a light-emitting diode D16, a light-emitting diode D12, a light-emitting diode D14, and a light-emitting diode D15. The light-emitting diode D16 is connected in series with the power interface J1. The light-emitting diode D12 and the light-emitting diode D14 are respectively connected in parallel with the light-emitting diode D16. The light-emitting diode D15 is connected in series with the resistor R69.

[0014] Further, the power output module includes a fuse F1, a resistor R78, and a power output terminal J2. One end of the fuse F1 is connected to the transistor Q2, and the other end is connected to the power output terminal J2. The resistor R78 is connected in parallel with the power output terminal J2.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. Through reasonable circuit design and component configuration, the utility model realizes the integration and multi-function of power management and signal processing. Through the precise configuration of multiple resistors and capacitors, stable regulation of power input is achieved, ensuring the safe operation of the device. By setting multiple transistors, switching or amplification functions exist in the circuit. Through the integration of LED indicators and multi-channel signal interfaces, real-time monitoring of the device status and multi-function signal processing are realized. The configuration of these components further enhances the multi-functionality and flexibility of the circuit.

[0017] 2. The circuit of the utility model also has flexible expandability. By adjusting and expanding the resistors, capacitors and other components in the circuit, it can adapt to different application requirements. Users can customize the configuration of the circuit according to specific application scenarios to further expand its functions. The utility model is applicable to the power management system or signal processing application scenarios of complex electronic devices, and can effectively improve the stability and efficiency of the devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 is the circuit schematic diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] To facilitate the understanding of the present utility model, the following will describe the present utility model more comprehensively with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the term "connection" should be understood in a broad sense. For example, it can be fixedly connected, arranged, or detachably connected, arranged, or integrally connected, arranged. For those of ordinary skill in the art, the specific meaning of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Embodiment:

[0023] Such as Figure 1As shown in the figure, this embodiment provides a KS355G multifunctional power management and signal processing circuit, which includes a power input module, a signal processing module, a status indication module, and a power output module. The signal processing module is electrically connected to the power input module, the status indication module, and the power output module respectively. The status indication module is electrically connected to the power input module and the signal processing module respectively. This circuit is a complex signal processing or power management circuit, involving multiple input and output interfaces and adjustment circuits, showing LED indicators, capacitor filter circuits, and multiple control signal ports, and having multifunctional input and output and status display capabilities. It can be understood that in practical applications, the power input module, the signal processing module, the status indication module, and the power output module can be integrated on a PCB circuit board, and the external power supply can be connected through a power cord to an external power supply.

[0024] Further, the power input module is used for power input and voltage regulation, and includes a power interface J1, a resistor R17, a capacitor C4, and a power interface J3. The resistor R17 is connected in series with the power interface J1, the capacitor C4 is connected in parallel with the resistor R17, and the power interface J3 is grounded.

[0025] The VCC12V power interface J1 provides a stable voltage input for the circuit, and the ground wire (GND 0V) provides a reference ground for the circuit. The capacitor C4 acts as a filtering power supply to filter the power input by the power interface J1 to ensure a stable power supply.

[0026] The power input module is one of the cores of the KS355G circuit. It receives an external power supply through the VCC12V input terminal and realizes voltage regulation and stabilization through a series of resistor and capacitor configurations. The input voltage V in After passing through the combined network of resistors and capacitors, a smoothed voltage V out is output, and its formula is:

[0027]

[0028] Among them, R1 and R2 are voltage-dividing resistors. By adjusting the values of these two resistors, the magnitude of the output voltage can be changed, thereby providing a stable working voltage for the subsequent circuit modules. At the same time, the capacitor plays a filtering role in the voltage regulation process, eliminating high-frequency noise in the power supply to ensure the stability of the circuit. The filtered output voltage can be expressed by the following formula:

[0029]

[0030] Among them, R eq is the equivalent resistance, C is the capacitance value, and t is the time constant. This formula describes the voltage change trend during the capacitor charging process.

[0031] Further, the signal processing module is used for signal processing and amplification, including Sub-module 1, Sub-module 2, and Sub-module 3. Sub-module 1 is connected in series with the power interface J1, Sub-module 2 is connected in parallel with Sub-module 1, and Sub-module 3 is connected in series with Sub-module 1. This module contains multiple transistors and control resistors. Through the configuration of these components, the circuit can achieve signal amplification and switch control. This module also integrates multiple signal input and output interfaces for accessing and processing external signals.

[0032] Sub-module 1 includes resistor R68, transistor Q5, and capacitor C6. Transistor Q5 is connected in series with the power interface J1, and resistor R68 and capacitor C6 are respectively connected in parallel with transistor Q5. The function of Sub-module 1 is to be connected in series with the power interface J1, responsible for the preliminary processing and stability control of signals. Through the amplification and switch functions of transistor Q5, basic signal processing is achieved.

[0033] Sub-module 2 includes chip U3, power interfaces J4, J5, capacitor C1, resistor RV1, resistor R1, resistor R21, resistor RT1, resistor R4, capacitor C2, and resistor R12. Chip U3 is connected in parallel with the power interface J1. Power interfaces J4, J5, resistor RV1, resistor R1, resistor R4, capacitor C2, and resistor R12 are respectively connected to chip U3. Capacitor C1 is respectively connected in parallel with power interfaces J4 and J5. Resistor R21 is connected to resistor RV1 and resistor R1. Resistor RT1 is connected to resistor R21 and resistor R4. Sub-module 2 is mainly responsible for further signal processing, connected in parallel with the power interface J1. Through this module, signals can be processed more complexly, suitable for scenarios requiring chip control and signal amplification.

[0034] Among them, each pin of chip U3 is connected to external interfaces and circuit components for power management and signal processing. The specific description is as follows:

[0035] Pins J4, J5: These pins are used for power input and output, respectively connected to capacitor C1 to ensure stable power input and output.

[0036] Resistor network (RV1, R1, R4, R12, R21, and RT1): Through the series and parallel connection of these resistors, chip U3 can achieve signal regulation functions. Among them, the connection of resistors R21, RV1, and R1 is used for voltage regulation to ensure that chip U3 can adjust the signals of different circuits according to requirements.

[0037] Capacitors C2, C1: Capacitors are used for signal filtering to ensure stable input power and signals. C2 is used for input filtering, while C1 is respectively connected in parallel with J4 and J5 for power smoothing.

[0038] Sub-module three includes resistor R15, resistor R69, resistor R70, transistor Q3, resistor R76, resistor R77 and transistor Q2. Resistor R15, resistor R69, transistor Q3, resistor R76 and transistor Q2 are respectively connected in series with power supply interface J1. Resistor R70 is connected in parallel with resistor R69. Sub-module three is connected in series with sub-module one, further enhancing the signal processing ability and ensuring the overall stability and function expansion of the circuit.

[0039] The signal processing module consists of multiple transistors and their related control resistors. The transistor, as the core switching and amplifying element, has its operating state controlled by the base voltage V B . When the base voltage V B exceeds the threshold voltage, the transistor enters the saturation region or the amplification region to achieve signal amplification. Its amplification factor is expressed as:

[0040]

[0041] where β is the current gain of the transistor, R C is the collector resistor, R E is the emitter resistor. By adjusting the values of R C and R E , the amplification factor can be controlled to meet the requirements of different signal amplifications.

[0042] The switching function of the transistor is also applied in the circuit. When the base voltage V B is lower than the threshold voltage, the transistor is in the cut-off state and the output voltage is zero; when the base voltage V B exceeds the threshold, the transistor conducts and the output signal V out is at a high level. This process can be expressed by the following formula:

[0043]

[0044] where V CC is the supply voltage, R load is the load resistor, and γ on is the internal resistance of the transistor in the conducting state.

[0045] Furthermore, the status indication module is used for status indication and LED driving, including light-emitting diodes D16, D12, D14 and D15. Light-emitting diode D16 is connected in series with power supply interface J1 and is used as a power indicator to indicate whether there is power access. Light-emitting diodes D12 and D14 are respectively connected in parallel with light-emitting diode D16. Light-emitting diode D15 is connected in series with resistor R69. This module can display the operating status of the circuit in real time through the LED indicator. By adjusting the resistance value, the brightness and response time of the LED can be controlled to ensure accurate status indication.

[0046] The driving circuit of the LED consists of a series-connected resistor and a light-emitting diode. The resistor is used to limit the current passing through the LED, thereby controlling the brightness of the LED. The driving current II LED is expressed as:

[0047]

[0048] where V f is the forward voltage drop of the LED, and R LED is the value of the current-limiting resistor. By adjusting the size of the current-limiting resistor R LED , the brightness of the LED can be precisely controlled to ensure the accuracy of the status indication.

[0049] The luminous intensity of the LED is positively correlated with the driving current. The luminous intensity LLL is expressed as:

[0050] l = k × I LED

[0051] where K is a constant related to the material and structure of the LED.

[0052] Furthermore, the power output module includes a fuse F1, a resistor R78, and a power output terminal J2. One end of the fuse F1 is connected to the transistor Q2, and the other end is connected to the power output terminal J2. The resistor R78 is connected in parallel with the power output terminal J2.

[0053] Furthermore, system integration and expansion can also be carried out in the circuit of this embodiment. The KS355G circuit design has a high degree of integration and scalability. By reasonably configuring resistors, capacitors, and other components, this circuit can flexibly adapt to different application scenarios. In practical applications, users can adjust and expand the circuit according to their needs. For example, by increasing the parallel or series capacitors, the filtering performance of the power supply can be improved; by increasing the number of transistors in the signal processing module, more complex signal processing functions can be achieved; or by adjusting the LED driving circuit, it can adapt to different status indication requirements.

[0054] In summary, the KS355G circuit of this embodiment realizes multiple functions such as power regulation, signal amplification, and status indication by precisely configuring each electronic component, ensuring the high efficiency, stability, and versatility of the system.

[0055] The above uses specific examples to elaborate on the present invention, which is only used to help understand the present invention and is not intended to limit the present invention. For those skilled in the technical field to which the present invention belongs, based on the idea of the present invention, several simple deductions, deformations, or replacements can also be made.

Claims

1. A multifunctional power management and signal processing circuit, characterized in that: It includes a power input module, a signal processing module, a status indication module, and a power output module; The signal processing module is electrically connected to the power input module, the status indication module, and the power output module respectively, and the status indication module is electrically connected to the power input module and the signal processing module respectively; The signal processing module includes sub-module one, sub-module two, and sub-module three. Sub-module one is connected in series with power interface J1, sub-module two is connected in parallel with sub-module one, and sub-module three is connected in series with sub-module one; Sub-module one includes resistor R68, transistor Q5, and capacitor C6. Transistor Q5 is connected in series with power interface J1, and resistor R68 and capacitor C6 are connected in parallel with transistor Q5 respectively; Sub-module two includes chip U3, power interface J4, power interface J5, capacitor C1, resistor RV1, resistor R1, resistor R21, resistor RT1, resistor R4, capacitor C2, and resistor R12. Chip U3 is connected in parallel with power interface J1. Power interface J4, power interface J5, resistor RV1, resistor R1, resistor R4, capacitor C2, and resistor R12 are connected to chip U3 respectively. Capacitor C1 is connected in parallel with power interface J4 and power interface J5 respectively. Resistor R21 is connected to resistor RV1 and resistor R1. Resistor RT1 is connected to resistor R21 and resistor R4; Sub-module three includes resistor R15, resistor R69, resistor R70, transistor Q3, resistor R76, resistor R77, and transistor Q2. Resistor R15, resistor R69, transistor Q3, resistor R76, and transistor Q2 are connected in series with power interface J1 respectively, and resistor R70 is connected in parallel with resistor R69; 2. The multifunctional power management and signal processing circuit according to claim 1, wherein: The power input module includes power interface J1, resistor R17, capacitor C4, and power interface J3. Resistor R17 is connected in series with power interface J1, capacitor C4 is connected in parallel with resistor R17, and power interface J3 is grounded; 3. A multifunctional power management and signal processing circuit according to claim 1, characterized in that: The status indication module includes light-emitting diode D16, light-emitting diode D12, light-emitting diode D14, and light-emitting diode D15. Light-emitting diode D16 is connected in series with power interface J1. Light-emitting diode D12 and light-emitting diode D14 are connected in parallel with light-emitting diode D16 respectively. Light-emitting diode D15 is connected in series with resistor R69; 4. A multifunctional power management and signal processing circuit according to claim 1, characterized in that: The power output module includes a fuse F1, a resistor R78, and a power output terminal J2. One end of the fuse F1 is connected to the transistor Q2, and the other end is connected to the power output terminal J2. The resistor R78 is connected in parallel with the power output terminal J2.

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