Wake-up circuit and system based on double-edge signal and vehicle
By combining a dual-edge signal generation module and a processing module, the problems of complex circuit design and high cost in the prior art are solved, and the effects of simplifying the circuit structure and reducing production costs are achieved.
Patent Information
- Application Number
- CN202423080572.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In existing technologies, using double-edge signals as wake-up sources requires specific chips and circuit structures, which increases the difficulty of circuit design and production costs.
The system management module is woken up by generating rising or falling edge signals through a dual-edge signal generation module, and the first and second processing modules output wake-up levels under different level conditions, thus avoiding the need to design circuits using specific chips.
The circuit structure was simplified, production costs were reduced, and the system management module could be woken up by dual-edge signals under different conditions.
Smart Images
Figure CN223613304U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present disclosure relates to the technical field of electronic control unit wake-up, and particularly relates to a wake-up circuit based on double-edge signals, a system and a vehicle. BACKGROUND
[0002] With the development of automobile technology, the types of wake-up sources for waking up corresponding functions of the automobile are more and more, in order to ensure that the automobile functions can be realized in time, the automobile electronic control unit needs to be woken up by different wake-up sources. In the prior art, when a double-edge signal is used as a wake-up source, a specific chip and a corresponding circuit structure need to be used to realize double-edge wake-up, which undoubtedly increases the difficulty of circuit design, and the use of a specific chip also increases the production cost. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a wake-up circuit based on double-edge signals, a system and a vehicle.
[0004] The present disclosure provides a wake-up circuit based on double-edge signals, comprising: a double-edge signal generation module, a first processing module and a second processing module;
[0005] The first input end of the first processing module and the second input end of the second processing module are electrically connected with the output end of the double-edge signal generation module, the second input end of the first processing module is grounded, and the first input end of the second processing module is electrically connected with a power supply module; wherein the power supply module can provide a high-level signal;
[0006] The output end of the first processing module and the output end of the second processing module are electrically connected with a system management module; wherein the first processing module and the second processing module are used to wake up the system management module.
[0007] Optionally, the double-edge signal generation module comprises: a switch unit, a first resistor, a second resistor and a third resistor;
[0008] The first end of the switch unit is grounded, the second end of the switch unit is electrically connected with the first input end of the first processing module through the first resistor, the second end of the switch unit is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the switch unit is also electrically connected with the power supply module through the third resistor.
[0009] Optionally, the switch unit is a mechanical switch.
[0010] The first end of the mechanical switch is grounded, the second end of the mechanical switch is electrically connected with the first input end of the first processing module through the first resistor, the second end of the mechanical switch is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the mechanical switch is also electrically connected with the power supply module through the third resistor.
[0011] Optionally, the switch unit is an NMOS tube.
[0012] The first end of the NMOS tube is grounded, the second end of the NMOS tube is electrically connected with the first input end of the first processing module through the first resistor, the second end of the NMOS tube is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the NMOS tube is also electrically connected with the power supply module through the third resistor; and the gate of the NMOS tube is electrically connected with a control module, where the control module is used to control the turn-on or turn-off of the NMOS tube.
[0013] Optionally, the switch unit is a PMOS tube.
[0014] The first end of the PMOS tube is grounded, the second end of the PMOS tube is electrically connected with the first input end of the first processing module through the first resistor, the second end of the PMOS tube is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the PMOS tube is also electrically connected with the power supply module through the third resistor; and the gate of the PMOS tube is electrically connected with a control module, where the control module is used to control the turn-on or turn-off of the PMOS tube.
[0015] Optionally, the system further comprises an anti-reverse module.
[0016] The first end of the anti-reverse module is electrically connected with the output end of the first processing module, the second end of the anti-reverse module is electrically connected with the output end of the second processing module, and the third end of the anti-reverse module is electrically connected with the system management module.
[0017] Optionally, the anti-reverse module comprises a first diode and a second diode.
[0018] The anode end of the first diode is electrically connected with the output end of the first processing module, the anode end of the second diode is electrically connected with the output end of the second processing module, and the cathode end of the first diode and the cathode end of the second diode are both electrically connected with the system management module.
[0019] Optionally, the system further comprises a fourth resistor and a fifth resistor.
[0020] The second input end of the first processing module is grounded through the fourth resistor, and the first input end of the second processing module is electrically connected with the power supply module through the fifth resistor.
[0021] The disclosure also provides a double-edge signal-based wake-up system, comprising the double-edge signal-based wake-up circuit described above.
[0022] The disclosure also provides a vehicle comprising the double-edge signal-based wake-up system described above.
[0023] The technical scheme provided by the embodiments of the disclosure has the following advantages compared with the prior art: the double-edge signal generation module generates a rising edge signal or a falling edge signal, when the double-edge signal generation module outputs the rising edge signal, the first input end of the first processing module receives the rising edge signal, and the second input end of the first processing module is grounded and kept at a low level, at this time, the first processing module meets the output of the wake-up level, and outputs the wake-up level. When the double-edge signal generation module outputs the falling edge signal, the second input end of the second processing module receives the falling edge signal, and the first input end of the second processing module is electrically connected with the power supply module and kept at a high level, at this time, the second processing module meets the output of the wake-up level, and outputs the wake-up level. Thus, the rising edge signal and the falling edge signal can both make the first processing module or the second processing module output the wake-up level to wake up the system management module, and there is no need to use a specific chip, so there is no need to design a corresponding circuit according to the specific chip, so that the circuit structure is simple, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0025] Figure 1 A structure diagram of a double-edge signal-based wake-up circuit provided by the embodiments of the disclosure.
[0026] Figure 2 A structure diagram of another double-edge signal-based wake-up circuit provided by the embodiments of the disclosure.
[0027] Figure 3 A structure diagram of another double-edge signal-based wake-up circuit provided by the embodiments of the disclosure.
[0028] Figure 4 A structure diagram of a preferred double-edge signal-based wake-up circuit provided by the embodiments of the disclosure. DETAILED DESCRIPTION
[0029] Features and exemplary embodiments of various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some or all of these specific details. The description of the embodiments is merely illustrative of the present application and is not intended to limit the present application, as is apparent to one of ordinary skill in the art.
[0030] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The embodiments will be described in detail below with reference to the accompanying drawings.
[0031] Figure 1 A structure schematic diagram of a wakeup circuit based on double-edge signals provided by an embodiment of the present disclosure is shown in FIG. 1. As shown in FIG. 1, the wakeup circuit includes a double-edge signal generation module 100, a first processing module 200, and a second processing module 300. Figure 1
[0032] Specifically, the present disclosure generates a rising edge or falling edge signal through the double-edge signal generation module 100, and the first processing module 200 and the second processing module 300 are processing modules of the same type, thus having the same signal output logic. The specific signal output logic of the processing module is as follows: when the first input end of the processing module is kept at a high level, a falling edge signal is input to the second input end of the processing module, and the processing module outputs a wakeup level. When the second input end of the processing module is kept at a low level, a rising edge signal is input to the first input end of the processing module, and the processing module outputs a wakeup level.
[0033] The first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300 are electrically connected to the output end 101 of the double-edge signal generation module 100, the second input end 202 of the first processing module 200 is grounded, the first input end 301 of the second processing module 300 is electrically connected to a power supply module 400; wherein the power supply module 400 can provide a high-level signal; the output end 203 of the first processing module 200 and the output end 303 of the second processing module 300 are electrically connected to a system management module 500; wherein the first processing module 200 and the second processing module 300 are used to wake up the system management module 500.
[0034] Specifically, when the output end 101 of the double-edge signal generation module 100 outputs a rising edge signal, the first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300 both receive the rising edge signal, and the second input end 202 of the first processing module 200 is grounded and kept at a low level, the first input end 301 of the second processing module 300 is electrically connected with the power supply module 400 and kept at a high level, according to the signal output logic of the processing module, at this time, the first processing module 200 meets the signal output logic, the second processing module 300 does not meet the signal output logic, the first processing module 200 outputs a wake-up level to the system management module 500 through the output end 203 of the first processing module 200, and the system management module 500 is woken up.
[0035] When the output end 101 of the double-edge signal generation module 100 outputs a falling edge signal, the first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300 both receive the falling edge signal, and the second input end 202 of the first processing module 200 is grounded and kept at a low level, the first input end 301 of the second processing module 300 is electrically connected with the power supply module 400 and kept at a high level, according to the signal output logic of the processing module, at this time, the first processing module 200 does not meet the signal output logic, the second processing module 300 meets the signal output logic, the second processing module 300 outputs a wake-up level to the system management module 500 through the output end 303 of the second processing module 300, and the system management module 500 is woken up. Thus, the present disclosure realizes that when the double-edge signal generation module 100 outputs a rising edge signal or a falling edge signal, a wake-up level can be outputted to wake up the system management module 500, and a specific chip does not need to be used, so that a corresponding circuit does not need to be designed according to the specific chip, the circuit structure is simple, and the production cost is reduced.
[0036] Figure 2 Another structure diagram of a wake-up circuit based on a double-edge signal provided by the embodiment of the present disclosure is shown in FIG. 4. Figure 2 As shown in FIG. 4, the double-edge signal generation module includes a switch unit 110, a first resistor R1, a second resistor R2, and a third resistor R3.
[0037] The first end 111 of the switch unit 110 is grounded, the second end 112 of the switch unit 110 is electrically connected with the first input end 201 of the first processing module 200 through the first resistor R1, the second end 112 of the switch unit 110 is also electrically connected with the second input end 302 of the second processing module 300 through the second resistor R2, and the second end 112 of the switch unit 110 is also electrically connected with the power supply module 400 through the third resistor R3.
[0038] Specifically, the first resistor R1, the second resistor R2 and the third resistor R3 can avoid the power supply module 400 being directly grounded, thereby causing the circuit to be damaged. When the switch unit 110 is in the off state, the second end 112 of the switch unit 110 is electrically connected with the power supply module 400, at this time, the second end 112 of the switch unit 110 is at a high level. When the switch unit 110 is switched from the off state to the on state, the second end 112 of the switch unit 110 is conductive with the first end 111 of the switch unit 110, the second end 112 of the switch unit 110 is grounded, the high level signal of the second end 112 of the switch unit 110 becomes a low level signal, at this time, the second end 112 of the switch unit 110 outputs a falling edge signal to the first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300. When the switch unit 110 is switched from the on state to the off state, the second end 112 of the switch unit 110 is disconnected with the first end 111 of the switch unit 110, the second end 112 of the switch unit 110 is electrically connected with the power supply module 400, the low level signal of the second end 112 of the switch unit 110 becomes a high level signal, at this time, the second end 112 of the switch unit 110 outputs a rising edge signal to the first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300. Thus, the embodiment of the present disclosure realizes outputting the rising edge signal and the falling edge signal through the switch unit.
[0039] In some embodiments, the switch unit is a mechanical switch; the first end of the mechanical switch is grounded, the second end of the mechanical switch is electrically connected with the first input end of the first processing module through the first resistor, the second end of the mechanical switch is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the mechanical switch is also electrically connected with the power supply module through the third resistor.
[0040] Specifically, the switch unit is a mechanical switch, when the mechanical switch is kept in the off state, the second end of the mechanical switch is electrically connected with the power supply module, and the second end of the mechanical switch is kept at a high level. When the user needs to wake up the system management module, the mechanical switch is manually switched to the on state, at this time, the second end of the mechanical switch is conductive with the first end of the mechanical switch, the second end of the mechanical switch is grounded, the high level signal of the second end of the mechanical switch becomes a low level signal, at this time, the second end of the mechanical switch outputs a falling edge signal to the first input end of the first processing module and the second input end of the second processing module. According to the signal output logic of the processing module, at this time, the first processing module does not conform to the signal output logic, the second processing module conforms to the signal output logic, the second processing module outputs a wake-up level to the system management module, and the system management module is woken up.
[0041] When the mechanical switch is kept in the on state, the second end of the mechanical switch is grounded, and the second end of the mechanical switch is kept at a low level. When the user needs to wake up the system management module, the mechanical switch is manually switched to the off state, at this time, the second end of the mechanical switch is disconnected from the first end of the mechanical switch, the second end of the mechanical switch is electrically connected to the power supply module, the low level signal of the second end of the mechanical switch becomes a high level signal, at this time, the second end of the mechanical switch outputs a rising edge signal to the first input end of the first processing module and the second input end of the second processing module. According to the signal output logic of the processing module, at this time, the first processing module meets the signal output logic, and the second processing module does not meet the signal output logic, the first processing module outputs a wake-up level to the system management module, and the system management module is woken up. Therefore, the embodiment of the present disclosure realizes that the on and off of the mechanical switch can output rising edge and falling edge signals, and the system management module can be woken up.
[0042] In some embodiments, the switch unit is an NMOS tube; the first end of the NMOS tube is grounded, the second end of the NMOS tube is electrically connected to the first input end of the first processing module through the first resistor, the second end of the NMOS tube is also electrically connected to the second input end of the second processing module through the second resistor, and the second end of the NMOS tube is also electrically connected to the power supply module through the third resistor; the gate of the NMOS tube is electrically connected to the control module, wherein the control module is used to control the on or off of the NMOS tube.
[0043] Specifically, the switch unit is an NMOS tube, when the NMOS tube is kept in the off state, the second end of the NMOS tube is electrically connected to the power supply module, and the second end of the NMOS tube is kept at a high level. When the user needs to wake up the system management module, the control module outputs a high level signal to the control end of the NMOS tube, so that the NMOS tube is switched to the on state, at this time, the second end of the NMOS tube is connected to the first end of the NMOS tube, the second end of the NMOS tube is grounded, and the high level signal of the second end of the NMOS tube becomes a low level signal, at this time, the second end of the NMOS tube outputs a falling edge signal to the first input end of the first processing module and the second input end of the second processing module. According to the signal output logic of the processing module, at this time, the first processing module does not meet the signal output logic, and the second processing module meets the signal output logic, the second processing module outputs a wake-up level to the system management module, and the system management module is woken up.
[0044] The second end of the NMOS tube is grounded when the NMOS tube is kept in the on state, and the second end of the NMOS tube keeps a low level. When a user needs to wake up the system management module, a low-level signal is output to the control end of the NMOS tube through the control module, so that the NMOS tube is switched to the off state. At this time, the second end of the NMOS tube is disconnected from the first end of the NMOS tube, the second end of the NMOS tube is electrically connected to the power supply module, the low-level signal of the second end of the NMOS tube becomes a high-level signal, and the second end of the NMOS tube outputs a rising edge signal to the first input end of the first processing module and the second input end of the second processing module. According to the signal output logic of the processing module, at this time, the first processing module meets the signal output logic, the second processing module does not meet the signal output logic, the first processing module outputs a wake-up level to the system management module, and the system management module is woken up. Therefore, the embodiment of the disclosure can control the on and off of the NMOS tube through software, and then output rising edge and falling edge signals to wake up the system management module.
[0045] In some embodiments, the switch unit is a PMOS tube; the first end of the PMOS tube is grounded, the second end of the PMOS tube is electrically connected to the first input end of the first processing module through a first resistor, the second end of the PMOS tube is also electrically connected to the second input end of the second processing module through a second resistor, and the second end of the PMOS tube is also electrically connected to the power supply module through a third resistor; the gate of the PMOS tube is electrically connected to the control module, wherein the control module is used to control the on or off of the PMOS tube.
[0046] Specifically, the switch unit is a PMOS tube, and the second end of the PMOS tube is electrically connected to the power supply module when the PMOS tube is kept in the off state, and the second end of the PMOS tube keeps a high level. When a user needs to wake up the system management module, a low-level signal is output to the control end of the PMOS tube through the control module, so that the PMOS tube is switched to the on state. At this time, the second end of the PMOS tube is connected to the first end of the PMOS tube, the second end of the PMOS tube is grounded, the high-level signal of the second end of the PMOS tube becomes a low-level signal, and the second end of the PMOS tube outputs a falling edge signal to the first input end of the first processing module and the second input end of the second processing module. According to the signal output logic of the processing module, at this time, the first processing module does not meet the signal output logic, the second processing module meets the signal output logic, the second processing module outputs a wake-up level to the system management module, and the system management module is woken up.
[0047] When the PMOS tube keeps in the on state, the second end of the PMOS tube is grounded, and the second end of the PMOS tube keeps in a low level. When the user needs to wake up the system management module, a high level signal is output to the control end of the PMOS tube through the control module, so that the PMOS tube is switched to the off state. At this time, the second end of the PMOS tube is disconnected with the first end of the PMOS tube, and the second end of the PMOS tube is electrically connected with the power supply module. The low level signal of the second end of the PMOS tube becomes a high level signal. At this time, the second end of the PMOS tube outputs a rising edge signal to the first input end of the first processing module and the second input end of the second processing module. According to the signal output logic of the processing module, at this time, the first processing module meets the signal output logic, and the second processing module does not meet the signal output logic. The first processing module outputs a wake-up level to the system management module, and the system management module is woken up. Therefore, the embodiment of the disclosure can control the conduction and the off of the PMOS tube through software, and then output rising edge and falling edge signals, so as to wake up the system management module.
[0048] Figure 3 Another structure diagram of a wake-up circuit based on a double-edge signal provided by the embodiment of the disclosure is shown in FIG. 6. Figure 3 As shown in FIG. 6, the wake-up circuit further comprises an anti-reverse module 600. The first end 601 of the anti-reverse module 600 is electrically connected with the output end 203 of the first processing module 200. The second end 602 of the anti-reverse module 600 is electrically connected with the output end 303 of the second processing module 300. The third end 603 of the anti-reverse module 600 is electrically connected with the system management module 500.
[0049] Specifically, the anti-reverse module 600 is connected between the first processing module 200 and the system management module 500, and is connected between the second processing module 300 and the system management module 500. Through the anti-reverse module 600, the current flowing from the system management module 500 to the first processing module 200 and the second processing module 300 can be avoided, so as to realize the protection of the first processing module 200 and the second processing module 300.
[0050] In some embodiments, the anti-reverse module comprises a first diode and a second diode. The anode of the first diode is electrically connected with the output end of the first processing module. The anode of the second diode is electrically connected with the output end of the second processing module. The cathode of the first diode and the cathode of the second diode are both electrically connected with the system management module.
[0051] Specifically, the diode has unidirectional conductivity, and therefore the anti-reverse module using the diode can well prevent the current from flowing back. The first diode is connected between the first processing module and the system management module, and is used to cut off the current flowing from the system management module to the first processing module. The second diode is connected between the second processing module and the system management module, and is used to cut off the current flowing from the system management module to the second processing module, thereby achieving protection of the first processing module and the second processing module.
[0052] In some embodiments, the wake-up circuit further comprises a fourth resistor and a fifth resistor; the second input end of the first processing module is connected to the ground through the fourth resistor, and the first input end of the second processing module is connected to the power supply module through the fifth resistor.
[0053] Specifically, the fourth resistor is used as a pull-down resistor to pull down the voltage of the second input end of the first processing module and keep it at a low level. The fifth resistor is used as a pull-up resistor to pull up the voltage of the first input end of the second processing module and keep it at a high level.
[0054] Figure 4 A preferred structure of a wake-up circuit based on double-edge signals provided by the embodiments of the present disclosure is shown in FIG. 1. Figure 4 As shown in FIG. 1, the wake-up circuit comprises a switch unit 110, a first processing module 200, a second processing module 300, a first diode D1, a second diode D2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, and a fifth resistor R5.
[0055] The first end 111 of the switch unit 110 is connected to the ground, the second end 112 of the switch unit 110 is connected to the first input end 201 of the first processing module 200 through the first resistor R1, the second input end 202 of the first processing module 200 is connected to the ground through the fourth resistor R4, and the output end 203 of the first processing module 200 is connected to the system management module 500 through the first diode D1. The second end 112 of the switch unit 110 is also connected to the second input end 302 of the second processing module 300 through the second resistor R2, the first input end 301 of the second processing module 300 is connected to the power supply module 400 through the fifth resistor R5, the output end 303 of the second processing module 300 is connected to the system management module 500 through the second diode D2, and the second end 112 of the switch unit 110 is also connected to the power supply module through the third resistor R3.
[0056] Specifically, when the switch unit 110 is in the off state, the second end 112 of the switch unit 110 is electrically connected with the power supply module 400, at this time, the second end 112 of the switch unit 110 is high level. When the switch unit 110 switches from the off state to the on state, the second end 112 of the switch unit 110 is conductive with the first end 111 of the switch unit 110, the second end 112 of the switch unit 110 is grounded, the high level signal of the second end 112 of the switch unit 110 becomes a low level signal, at this time, the second end 112 of the switch unit 110 outputs a falling edge signal to the first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300. According to the signal output logic of the processing module, at this time, the first processing module 200 does not meet the signal output logic, the second processing module 300 meets the signal output logic, the second processing module 300 outputs the wake-up level to the system management module 500, and the system management module 500 is woken up.
[0057] When the switch unit 110 switches from the on state to the off state, the second end 112 of the switch unit 110 is disconnected with the first end 111 of the switch unit 110, the second end 112 of the switch unit 110 is electrically connected with the power supply module 400, the low level signal of the second end 112 of the switch unit 110 becomes a high level signal, at this time, the second end 112 of the switch unit 110 outputs a rising edge signal to the first input end 201 of the first processing module 200 and the second input end 302 of the second processing module 300. According to the signal output logic of the processing module, at this time, the first processing module 200 meets the signal output logic, the second processing module 300 does not meet the signal output logic, the first processing module 200 outputs the wake-up level to the system management module 500, and the system management module 500 is woken up.
[0058] Therefore, the disclosure realizes that the switch unit 110 outputs the rising edge signal and the falling edge signal, and no matter whether the switch unit 110 outputs the rising edge signal or the falling edge signal, the wake-up level can be outputted to wake up the system management module 500, and without using a specific chip, it is not necessary to design the corresponding circuit according to the specific chip, so that the circuit structure is simple, and the production cost is reduced.
[0059] The embodiment of the disclosure also provides a wake-up system based on double edge signals, comprising any one of the wake-up circuits based on double edge signals as described above.
[0060] It can be understood that the wake-up system based on double edge signals provided by the embodiment of the disclosure can realize the corresponding beneficial effects of any one of the wake-up circuits based on double edge signals provided by the above-mentioned embodiments, which will not be described here.
[0061] The embodiments of the present disclosure further provide a vehicle comprising the above-mentioned wake-up system based on double-edge signals.
[0062] It can be understood that the vehicle provided by the embodiments of the present disclosure can achieve the corresponding beneficial effects of the wake-up system based on double-edge signals provided by the above-mentioned embodiments, which will not be described herein.
[0063] It should be noted that, in this document, the relationship terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or sequence between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0064] The above is only a specific implementation of the present disclosure, enabling those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to these embodiments herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.
Claims
1. A wake-up circuit based on double-edge signals, characterized by, The application relates to a double-edge signal generation module, a first processing module and a second processing module. The first input end of the first processing module and the second input end of the second processing module are electrically connected with the output end of the double-edge signal generation module, the second input end of the first processing module is grounded, and the first input end of the second processing module is electrically connected with a power supply module; wherein the power supply module can provide a high-level signal. The output end of the first processing module and the output end of the second processing module are electrically connected with a system management module; wherein the first processing module and the second processing module are used for waking up the system management module. The double-edge signal generation module comprises a switch unit, a first resistor, a second resistor and a third resistor.
2. The double-edge-triggered signal based wake-up circuit of claim 1, wherein, The first end of the switch unit is grounded, the second end of the switch unit is electrically connected with the first input end of the first processing module through the first resistor, the second end of the switch unit is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the switch unit is also electrically connected with the power supply module through the third resistor. The switch unit is a mechanical switch.
3. The double-edge-triggered signal based wake-up circuit of claim 2, wherein, The first end of the mechanical switch is grounded, the second end of the mechanical switch is electrically connected with the first input end of the first processing module through the first resistor, the second end of the mechanical switch is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the mechanical switch is also electrically connected with the power supply module through the third resistor. The switch unit is an NMOS tube.
4. The double-edge-triggered signal based wake-up circuit of claim 2, wherein, The first end of the NMOS tube is grounded, the second end of the NMOS tube is electrically connected with the first input end of the first processing module through the first resistor, the second end of the NMOS tube is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the NMOS tube is also electrically connected with the power supply module through the third resistor; the gate of the NMOS tube is electrically connected with a control module, wherein the control module is used for controlling the conduction or turn-off of the NMOS tube. The switch unit is a PMOS tube.
5. The double-edge-triggered signal based wake-up circuit of claim 2, wherein, The first end of the PMOS tube is grounded, the second end of the PMOS tube is electrically connected with the first input end of the first processing module through the first resistor, the second end of the PMOS tube is also electrically connected with the second input end of the second processing module through the second resistor, and the second end of the PMOS tube is also electrically connected with the power supply module through the third resistor; the gate of the PMOS tube is electrically connected with a control module, wherein the control module is used for controlling the conduction or turn-off of the PMOS tube. The application further comprises an anti-reverse module.
6. The double-edge signal based wake-up circuit according to any one of claims 1 to 5, characterized in that, The first end of the anti-reverse module is electrically connected with the output end of the first processing module, the second end of the anti-reverse module is electrically connected with the output end of the second processing module, and the third end of the anti-reverse module is electrically connected with the system management module. The anti-reverse module comprises a first diode and a second diode.
7. The double-edge-triggered signal based wake-up circuit of claim 6, wherein, The positive terminal of the first diode is electrically connected with the output terminal of the first processing module, the positive terminal of the second diode is electrically connected with the output terminal of the second processing module, and the negative terminal of the first diode and the negative terminal of the second diode are both electrically connected with the system management module.
8. The double-edge signal based wake-up circuit of claim 1, wherein, A fourth resistor and a fifth resistor are further included. The second input terminal of the first processing module is grounded through the fourth resistor, and the first input terminal of the second processing module is electrically connected with the power supply module through the fifth resistor.
9. A wake-up system based on double-edge signals, characterized in that, The double-edge signal-based wake-up circuit of any one of claims 1 to 8 is included.
10. A vehicle characterized by comprising: The double-edge signal-based wake-up system of claim 9 is included.