CN220962194U - Multifunctional dormancy awakening system of electronic controller - Google Patents

Multifunctional dormancy awakening system of electronic controller Download PDF

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Publication number
CN220962194U
CN220962194U CN202322695274.4U CN202322695274U CN220962194U CN 220962194 U CN220962194 U CN 220962194U CN 202322695274 U CN202322695274 U CN 202322695274U CN 220962194 U CN220962194 U CN 220962194U
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wake
diode
resistor
electronic controller
anode
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陆冲宇
柯献成
程智珊
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Shanghai Xinyao Electronics Co Ltd
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Shanghai Xinyao Electronics Co Ltd
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Abstract

The utility model discloses a multifunctional dormancy wakeup system of an electronic controller, belonging to the technical field of controller wakeup; the power supply control chip comprises a wake-up signal monitoring pin; the first level awakening part is connected with the awakening signal monitoring pin; a bus wake-up part connected with the wake-up signal monitoring pin; a back electromotive force wake-up part connected with the wake-up signal monitoring pin; and the electronic controller is connected with the power supply control chip. The beneficial effects of the technical scheme are as follows: due to the adoption of the technical scheme, a plurality of awakening sources are awakened, and current is low during dormancy, so that standby current of the electronic controller is reduced, battery endurance is improved, and over-discharge of the battery is reduced.

Description

Multifunctional dormancy awakening system of electronic controller
Technical Field
The utility model relates to the technical field of controller awakening, in particular to a multifunctional dormancy awakening system of an electronic controller.
Background
In recent years, with the strong development of new energy automobiles, the market share of electric automobiles is increasing, the trend of intelligent electronic in the automobiles is increasing, and in-automobile electronic controllers are increasing, and in general, 12V low-voltage storage batteries are arranged on the electric automobiles and used for supplying power to the electronic controllers such as automobile body control modules, windshield wipers, door and window controllers, thermal management controllers and the like, and in a flameout state, each electronic controller generates standby current though not working, so that the battery power is consumed.
In the prior art, the electronic controller is in a standby state and consumes power, if the standby current of the electronic controller is not controlled, the battery power of the vehicle is continuously reduced when the vehicle is parked, the battery is over-discharged, and the battery endurance is affected.
Disclosure of utility model
The utility model aims to provide a multifunctional dormancy wakeup system of an electronic controller, which solves the technical problems;
a multifunctional dormancy wakeup system of an electronic controller comprises,
The power supply control chip comprises a wake-up signal monitoring pin;
the first level wake-up part is connected with the wake-up signal monitoring pin;
a bus wake-up part connected with the wake-up signal monitoring pin;
A back electromotive force wake-up part connected with the wake-up signal monitoring pin;
and the electronic controller is connected with the power supply control chip.
Preferably, the first level wakeup portion includes,
The inner handle switch is connected with a first reference node, is connected with an external first level wake-up signal input part and is also connected with the wake-up signal monitoring pin;
The cathode of the first diode is connected with the first reference node, and the anode of the first diode is connected with an inner handle switch detection end through a third resistor;
one end of the first resistor is connected with a power supply voltage, and the other end of the first resistor is connected with the first reference node;
And the first end of the second resistor is connected with the working voltage, and the second end of the second resistor is connected with the anode of the first diode.
Preferably, the first level wakeup portion further includes,
One end of the first capacitor is connected with the first reference node, and the other end of the first capacitor is grounded;
And the first end of the second capacitor is connected with the detection end of the inner handle switch, and the second end of the second capacitor is grounded.
Preferably, the first level wakeup portion further includes,
The first test point is connected with the second end of the second resistor;
and the second test point is connected with the first end of the second capacitor.
Preferably, the bus wakeup portion includes,
The base electrode of the first triode is connected with an external bus wake-up signal input part through a fourth resistor, the emitting electrode of the first triode is grounded, and the collecting electrode of the first triode is connected with a seventh resistor in series through the cathode of the second diode to the power-skip detection pin of the power control chip;
the first end of the fifth resistor is connected with the base electrode of the first triode, and the second end of the fifth resistor is connected with the emitter electrode of the first triode;
One end of the sixth resistor is connected with a power supply voltage, and the other end of the sixth resistor is connected with the anode of the second diode;
One end of the third capacitor is connected with the power jump detection pin, and the other end of the third capacitor is grounded;
the power-skip detection pin is also connected with the wake-up signal monitoring pin.
Preferably, the bus wakeup portion further includes,
The cathode of the third diode is connected with a standby power supply signal end, and the anode of the third diode is connected with the anode of the second diode;
a cathode of the fourth diode is connected with a second gate state sensor, and an anode of the fourth diode is connected with an anode of the third diode;
A fifth diode, wherein the cathode of the fifth diode is connected with a first door state sensor, and the anode of the fifth diode is connected with the anode of the fourth diode;
The cathode of the sixth diode is connected with an external handle switch, and the anode of the sixth diode is connected with the anode of the fifth diode.
Preferably, the bus wakeup portion further includes,
The third test point is arranged between the second end of the fourth resistor and the first end of the fifth resistor;
and the fourth test point is arranged between the collector electrode of the first triode and the cathode of the second diode.
Preferably, the back electromotive force wake-up part includes,
The base electrode of the second triode is connected with the first end of an external back electromotive force wake-up signal input part in series through the cathode of a seventh diode of an eighth resistor, the emitting electrode of the second triode is grounded, and the collecting electrode of the second triode is connected with the back electromotive force wake-up end;
the back electromotive force wake-up end is also connected with the wake-up signal monitoring pin;
And an eighth diode, wherein the anode of the eighth diode is connected with the second end of the external back electromotive force wake-up signal input part, and the cathode of the eighth diode is connected with the cathode of the seventh diode.
Preferably, the back electromotive force wake-up section further comprises,
A ninth resistor, wherein a first end of the ninth resistor is connected with a second end of the eighth resistor, and a second end of the ninth resistor is grounded;
One end of the fourth capacitor is connected with the base electrode of the second triode, and the other end of the fourth capacitor is grounded;
and one end of the fifth capacitor is connected with the back electromotive force awakening end, and the other end of the fifth capacitor is grounded.
Preferably, the back electromotive force wake-up section further comprises,
A fifth test point, which is arranged between the cathode of the seventh diode and the first end of the eighth resistor;
A sixth test point connected to the first end of the ninth resistor;
and the seventh test point is connected with the collector electrode of the second triode.
The beneficial effects of the utility model are as follows: due to the adoption of the technical scheme, a plurality of awakening sources are awakened, and current is low during dormancy, so that standby current of the electronic controller is reduced, battery endurance is improved, and over-discharge of the battery is reduced.
Drawings
FIG. 1 is a flow chart of a multi-function sleep wakeup system according to a preferred embodiment of the present utility model;
FIG. 2 is a block diagram of a multi-functional sleep wake-up system in accordance with a preferred embodiment of the present utility model;
FIG. 3 is a circuit diagram of a first level wake-up section according to a preferred embodiment of the present utility model;
FIG. 4 is a circuit diagram of a wake-on-bus portion in accordance with a preferred embodiment of the present utility model;
FIG. 5 is a circuit diagram of a back EMF wake-up section in a preferred embodiment of the present utility model;
FIG. 6 is a diagram showing steps for multi-function sleep wakeup in a preferred embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
A multi-functional sleep wake-up system for an electronic controller, as shown in fig. 1-5, comprising,
The power supply control chip 4, the power supply control chip 4 includes a wake-up signal monitoring pin E2;
a first level wake-up unit 1 connected to a wake-up signal monitoring pin E2;
a bus wake-up part 2 connected with a wake-up signal monitoring pin E2;
a back electromotive force wake-up part 3 connected to the wake-up signal monitoring pin E2;
and the electronic controller 5 is connected with the power supply control chip 4.
Specifically, the utility model provides a multifunctional dormancy wakeup system of an electronic controller, which is mainly used for controller wakeup, a first level wakeup part 1 outputs a first level wakeup signal; a bus wake-up unit 2 for outputting a bus wake-up signal; a back electromotive force wake-up unit 3 that outputs a back electromotive force wake-up signal; the power control chip 4 comprises a wake-up signal monitoring pin E2, wherein the wake-up signal monitoring pin E2 receives a first level wake-up signal, a bus wake-up signal and a back electromotive force wake-up signal; the power control chip 4 outputs a working voltage MCU_5V under the action of a first level wake-up signal and/or a bus wake-up signal and/or a back electromotive force wake-up signal so as to wake-up the electronic controller 5; and the dormancy wakeup of the electronic controller 5 is realized, the standby current of the electronic controller is reduced, the battery endurance is improved, and the overdischarge of the battery is reduced.
More specifically, the first level in the first level wake-up unit 1 is a low level, the bus wake-up unit 2 is a CAN wake-up unit, in the embodiment of the present utility model, the power control chip 4 is an L99DZ300G chip, when the electronic controller 5 in the sleep state has no communication and no wake-up source is input, the electronic controller 5 enters the sleep mode to reduce the current consumption, and the following measures CAN be taken,
Setting a sleep mode, and switching the electronic controller 5 into the sleep mode through software or hardware setting of the electronic controller 5; in sleep mode, the electronic controller 5 will cease to operate and the current consumption will be greatly reduced;
monitoring a wake-up signal, designing a circuit to monitor the wake-up signal, including low level wake-up, CAN wake-up and reverse electromotive force wake-up;
processing the wake-up signal, and performing circuit processing on the monitored wake-up signal to ensure the stability and reliability of the signal;
Judging a wake-up signal, inputting the processed wake-up signal to an E2 pin of the L99DZ300G for judgment, and outputting an MCU_5V signal by the L99DZ300G if a falling edge is monitored;
and when the L99DZ300G outputs the MCU_5V signal, the whole system is awakened and starts to work normally, the MCU power supply is turned on, and the controller is restored to the working state.
More specifically, the aim of turning off the MCU power supply when the electronic controller 5 is not in operation and entering the sleep mode to reduce the current consumption is achieved; meanwhile, the controller can be awakened in time and can resume normal operation when needed through processing and judging of the awakening signal.
In a preferred embodiment, the first level wakeup portion 1 includes,
The inner Handle switch handle_sw1 is connected with the first reference node X1, the inner Handle switch handle_sw1 is connected with an external first level wake-up signal input part, and the inner Handle switch handle_sw1 is also connected with a wake-up signal monitoring pin E2;
The cathode of the first diode D1 is connected with the first reference node X1, and the anode of the first diode D1 is connected with an inner Handle switch detection end handle_Sk1_DET through a third resistor R3;
One end of the first resistor R1 is connected with a power supply voltage VBAT_FILT, and the other end of the first resistor R1 is connected with a first reference node X1;
The first end of the second resistor R2 is connected with the working voltage MCU_5V, and the second end of the second resistor R2 is connected with the anode of the first diode D1;
One end of the first capacitor C1 is connected with the first reference node X1, and the other end of the first capacitor C1 is grounded;
The first end of the second capacitor C2 is connected with the Handle switch detection end handle_Sk1_DET, and the second end of the second capacitor C2 is grounded.
Specifically, the external first-level wake-up signal input section is an external first-level wake-up switch, and the input of the wake-up signal is controlled by the on and off of the first-level wake-up switch.
In a preferred embodiment, the first level wakeup portion 1 further comprises,
The first test point TP1, the first test point TP1 connects the second end of the second resistor R2;
the second test point TP2, the first end of second capacitor C2 is connected to second test point TP 2.
Specifically, the power supply voltage vbat_filt is 12V; the pull-up process by a circuit is a common circuit design technique for ensuring that a signal remains in a high level state when there is no external input, in which case the original sleep state is set to a high level; when a low level signal enters the circuit, the E2 level of the L99DZ300G is pulled down, and the E2 level of the L99DZ300G is a monitoring device, detects the falling edge of an input signal and triggers corresponding operation; when E2 of the L99DZ300G monitors a falling edge, entering an awakening mode; in wake-up mode, E2 of L99DZ300G outputs MCU_5V signal, which can be used to wake up the connected MCU, i.e. the electronic controller 5.
Further specifically, once the MCU is awakened, the system will resume from a sleep state and begin normal operation; through the circuit pull-up processing, the function of waking up the system from the sleep state when a low-level signal is input can be realized, and the energy efficiency and the response speed of the system are improved.
In a preferred embodiment, the bus wakeup portion 2 includes,
The base electrode of the first triode Q1 is connected with an external bus wake-up signal input part CAN_INH through a fourth resistor R4, the emitter electrode of the first triode Q1 is grounded, and the collector electrode of the first triode Q1 is connected with a seventh resistor R7 in series through the cathode of a second diode D2 to a jump detection pin EI2 of the power control chip 4;
The first end of the fifth resistor R5 is connected with the base electrode of the first triode Q1, and the second end of the fifth resistor R5 is connected with the emitter electrode of the first triode Q1;
A sixth resistor R6, wherein one end of the sixth resistor R6 is connected with the power supply voltage VBAT_FILT, and the other end of the sixth resistor R6 is connected with the anode of the second diode D2;
One end of the third capacitor C3 is connected with the power jump detection pin EI2, and the other end of the third capacitor C3 is grounded;
the power jump detection pin EI2 is also connected to a wake-up signal monitoring pin E2.
Specifically, the external bus wake-up signal input section can_inh is a bus signal wake-up source, and the bus wake-up section 2 realizes sleep wake-up of the control controller according to wake-up signal input of the bus signal wake-up source.
In a preferred embodiment, the bus wakeup portion 2 further includes,
The cathode of the third diode D3 is connected with a standby Power supply signal end backup_Power_Por, and the anode of the third diode D3 is connected with the anode of the second diode D2;
A cathode of the fourth diode D4 is connected with a second gate state Sensor Door_Hall_Sensor2, and an anode of the fourth diode D4 is connected with an anode of the third diode D3;
A fifth diode D5, wherein the cathode of the fifth diode D5 is connected with a first Door state Sensor Door_Hall_Sensor1, and the anode of the fifth diode D5 is connected with the anode of a fourth diode D4;
The cathode of the sixth diode D6 is connected to an external Handle switch ex_handle_wu, and the anode of the sixth diode D6 is connected to the anode of the fifth diode D5.
In a preferred embodiment, the bus wakeup portion 2 further includes,
The third test point TP3 is arranged between the second end of the fourth resistor R4 and the first end of the fifth resistor R5;
the fourth test point TP4 is disposed between the collector of the first transistor Q1 and the cathode of the second diode D2.
Specifically, when a wake-up signal is input to the CAN, a signal with an original sleep state being high is transmitted to the INH pin through a circuit pull-up process, the INH pin generates a stable high level, at this time, the Q1 pin is pulled down, the E2 chip of the L99DZ300G monitors the falling edge of the Q1 pin, and enters a wake-up mode, and in the wake-up mode, the E2 of the L99DZ300G outputs an mcu_5v signal, so that the whole system is woken up.
In a preferred embodiment, the back emf wakeup portion 3 comprises,
The base electrode of the second triode Q2 is connected in series with the cathode of a seventh diode D7 through an eighth resistor R8 and is connected to a first end Door_Motor+ of an external back electromotive force Wake-up signal input part, the emitter electrode of the second triode Q2 is grounded, and the collector electrode of the second triode Q2 is connected with a back electromotive force Wake-up end Door_Wake;
The counter electromotive force Wake-up end Door_Wake is also connected with a Wake-up signal monitoring pin E2;
And an eighth diode D8, wherein the anode of the eighth diode D8 is connected with the second end Door_Motor of the external back electromotive force wake-up signal input part, and the cathode of the eighth diode D8 is connected with the cathode of the seventh diode D7.
Specifically, the first end Door_Motor+ of the external back electromotive force wake-up signal input part is the positive end of the gating Motor, the second end Door_Motor of the external back electromotive force wake-up signal input part is the negative end of the gating Motor, and the reverse electromotive force is generated at the two ends of the Motor when the hand push Door rotates the Motor, so that the dormancy wake-up of the control controller is realized.
In a preferred embodiment, the back emf wakeup portion 3 further comprises,
A first end of the ninth resistor R9 is connected with a second end of the eighth resistor R8, and a second end of the ninth resistor R9 is grounded;
One end of the fourth capacitor C4 is connected with the base electrode of the second triode Q2, and the other end of the fourth capacitor C4 is grounded;
One end of the fifth capacitor C5 is connected to the counter electromotive force Wake-up end door_wake, and the other end of the fifth capacitor C5 is grounded.
In a preferred embodiment, the back emf wakeup portion 3 further comprises,
A fifth test point TP5, disposed between the cathode of the seventh diode D7 and the first end of the eighth resistor R8;
a sixth test point TP6 connected to the first end of the ninth resistor R9;
And the seventh test point TP7 is connected with the collector electrode of the second triode Q2.
Specifically, the original sleep state is high through circuit pull-up processing, reverse electromotive force is generated at two ends of the motor when the motor rotates during door pushing, when the reverse electromotive force is greater than 1.4V, the E2 level of the L99DZ300G can be pulled down by driving Q2 after resistor voltage division through R8 and R9, the E2 of the L99DZ300G enters a wake-up mode when detecting a falling edge, MCU_5V is output, and the system is wakened up.
Further specifically, determining the position of a test point, and determining the position of the test point required to be detected by a terminal according to the design and layout of a controller dormancy wakeup circuit; usually, the test points are positioned in key parts such as power input, reset signals, clock signals and the like of the controller;
Connecting test equipment, namely connecting probes or pins of the test equipment (such as an oscilloscope, a logic analyzer and the like) with test points, ensuring stable and reliable connection, and avoiding the condition of short circuit or poor contact;
Setting test parameters, namely setting parameters of test equipment such as sampling rate, triggering conditions, data display modes and the like according to requirements, so as to ensure that the test equipment can accurately capture and display signal waveforms or logic states of test points;
Terminal detection is carried out, in the process of dormancy or awakening of the controller, signal waveforms or logic states displayed by the test equipment are observed and recorded, whether voltage, current, time sequence and the like of the test points meet expectations or not is judged according to design requirements, and whether abnormality or fault exists or not is analyzed;
Analyzing the test result according to the signal waveform or logic state displayed by the test equipment and combining the design requirement and the standard, and analyzing the test result, if the voltage, current, time sequence and the like of the test point meet the expectations, indicating that the controller dormancy awakening circuit works normally; if an abnormality or a fault exists, further investigation and repair are required;
recording and reporting, recording the test result, and generating a test report according to the requirement, wherein the report comprises the positions of test points, parameter setting of test equipment, analysis and conclusion of the test result and the like, so that subsequent maintenance and improvement work can be realized.
More specifically, when the terminal detection is carried out, the safety operation rules are required to be followed, so that the safety and stability of the test equipment and the tested controller are ensured; meanwhile, according to circumstances, multiple tests and verifications may be required to ensure the accuracy and reliability of the test results.
The above-mentioned multi-functional sleep wake-up method of the electronic controller 5, as shown in fig. 2, 3 and 6, is used for a multi-functional sleep wake-up system, and includes,
Step S1, a signal awakening part sends an awakening signal to an electronic controller 5 in a dormant state, wherein the signal awakening part comprises a first level awakening part 1, a bus awakening part 2 and a back electromotive force awakening part 3;
In step S2, the wake-up signal monitoring pin E2 of the power control chip 4 receives and determines the wake-up signal, if the wake-up signal monitoring pin E2 monitors that the level is pulled down, the operating voltage mcu_5v is output, the electronic controller 5 is in a wake-up state, if the wake-up signal monitoring pin E2 does not monitor that the level is pulled down, the operating voltage mcu_5v is not provided, and the electronic controller 5 is in a sleep state.
Specifically, a first level wake-up unit 1, a bus wake-up unit 2 and a back electromotive force wake-up unit 3 are used for sending a wake-up signal to an electronic controller 5 in a sleep state, when a wake-up signal monitoring pin E2 of a power control chip 4 monitors that the level is pulled down, the power control chip 4 outputs a working voltage MCU_5V under the action of the wake-up signal so as to wake up the electronic controller 5; the standby current of the electronic controller 5 is controlled, and the battery endurance is facilitated.
In summary, the utility model provides a multi-functional sleep wake-up system of an electronic controller, which is mainly used for multi-functional sleep wake-up of the controller, when the controller has no communication and no wake-up source input, the controller enters a sleep mode, L99DZ300G is in the sleep mode, and the power supply output to MCU_5V is closed; when the wake-up signal, namely low level wake-up, CAN wake-up and reverse electromotive force wake-up, is processed by the circuit and then enters an E2 pin of L99DZ300G for judgment; if the E2 pin of the L99DZ300G has a falling edge, the L99DZ300 outputs MCU_5V, and the whole system is awakened to work normally; the MCU power supply is turned off when the electronic controller 5 does not work, the whole device enters a sleep mode, the sleep current is reduced, and the device has multiple wake-up sources for waking up, so that the standby current of the electronic controller 5 is reduced, the battery endurance is improved, and the overdischarge of the battery is reduced.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (10)

1. A multifunctional dormancy awakening system of an electronic controller is characterized by comprising,
The power supply control chip (4), the power supply control chip (4) comprises a wake-up signal monitoring pin (E2);
a first level wake-up unit (1) connected to the wake-up signal monitoring pin (E2);
a bus wake-up unit (2) connected to the wake-up signal monitoring pin (E2);
a back electromotive force wake-up unit (3) connected to the wake-up signal monitoring pin (E2);
And the electronic controller (5) is connected with the power supply control chip (4).
2. The multi-function sleep wake-up system for an electronic controller as claimed in claim 1, characterized in that, the first level wake-up section (1) comprises,
An inner Handle switch (handle_sw1), the inner Handle switch (handle_sw1) being connected to a first reference node (X1), the inner Handle switch (handle_sw1) being connected to an external first level wake-up signal input, the inner Handle switch (handle_sw1) being further connected to the wake-up signal monitoring pin (E2);
The cathode of the first diode (D1) is connected with the first reference node (X1), and the anode of the first diode (D1) is connected with an inner Handle switch detection end (handle_Sk1_DET) through a third resistor (R3);
one end of the first resistor (R1) is connected with a power supply voltage (VBAT_FILT), and the other end of the first resistor (R1) is connected with the first reference node (X1);
and a first end of the second resistor (R2) is connected with the working voltage (MCU_5V), and a second end of the second resistor (R2) is connected with the anode of the first diode (D1).
3. The multi-function sleep wakeup system of an electronic controller according to claim 2, wherein the first level wakeup portion (1) further includes,
A first capacitor (C1), wherein one end of the first capacitor (C1) is connected with the first reference node (X1), and the other end of the first capacitor (C1) is grounded;
And a first end of the second capacitor (C2) is connected with the inner Handle switch detection end (handle_Sk1_DET), and a second end of the second capacitor (C2) is grounded.
4. A multi-function sleep wakeup system for an electronic controller according to claim 3, wherein the first level wakeup portion (1) further includes,
A first test point (TP 1), wherein the first test point (TP 1) is connected with a second end of the second resistor (R2);
And the second test point (TP 2) is connected with the first end of the second capacitor (C2).
5. The multi-function sleep wakeup system of an electronic controller according to claim 1, wherein the bus wakeup portion (2) includes,
The base electrode of the first triode (Q1) is connected with an external bus wake-up signal input part (CAN_INH) through a fourth resistor (R4), the emitter electrode of the first triode (Q1) is grounded, and the collector electrode of the first triode (Q1) is connected with a seventh resistor (R7) in series through the cathode of a second diode (D2) to a power jump detection pin (EI 2) of the power supply control chip (4);
A fifth resistor (R5), wherein a first end of the fifth resistor (R5) is connected with the base electrode of the first triode (Q1), and a second end of the fifth resistor (R5) is connected with the emitter electrode of the first triode (Q1);
a sixth resistor (R6), one end of the sixth resistor (R6) is connected to a power supply voltage (vbat_filt), and the other end of the sixth resistor (R6) is connected to the anode of the second diode (D2);
One end of the third capacitor (C3) is connected with the jump detection pin (EI 2), and the other end of the third capacitor (C3) is grounded;
The power-skip detection pin (EI 2) is also connected with the wake-up signal monitoring pin (E2).
6. The multi-function sleep wakeup system of an electronic controller according to claim 5, wherein the bus wakeup portion (2) further includes,
A cathode of the third diode (D3) is connected with a standby Power supply signal end (backup_Power_Por), and an anode of the third diode (D3) is connected with an anode of the second diode (D2);
A fourth diode (D4), wherein the cathode of the fourth diode (D4) is connected with a second gate state Sensor (Door_Hall_Sensor2), and the anode of the fourth diode (D4) is connected with the anode of the third diode (D3);
A fifth diode (D5), wherein the cathode of the fifth diode (D5) is connected with a first Door state Sensor (Door_Hall_Sensor1), and the anode of the fifth diode (D5) is connected with the anode of the fourth diode (D4);
The cathode of the sixth diode (D6) is connected with an external Handle switch (EX_handle_WU), and the anode of the sixth diode (D6) is connected with the anode of the fifth diode (D5).
7. The multi-function sleep wakeup system of an electronic controller according to claim 6, wherein the bus wakeup portion (2) further includes,
A third test point (TP 3) disposed between the second end of the fourth resistor (R4) and the first end of the fifth resistor (R5);
And a fourth test point (TP 4) is arranged between the collector electrode of the first triode (Q1) and the cathode electrode of the second diode (D2).
8. The multi-function sleep wakeup system for an electronic controller according to claim 1, wherein the back electromotive force wakeup portion (3) includes,
The base electrode of the second triode (Q2) is connected with the cathode of a seventh diode (D7) in series through an eighth resistor (R8) to be connected with the first end (Door_Motor+) of an external back electromotive force Wake-up signal input part, the emitter electrode of the second triode (Q2) is grounded, and the collector electrode of the second triode (Q2) is connected with the back electromotive force Wake-up end (Door_Wake);
The back electromotive force Wake-up end (Door_Wake) is also connected with the Wake-up signal monitoring pin (E2);
And an eighth diode (D8), wherein the anode of the eighth diode (D8) is connected with the second end (Door_Motor-) of the external back electromotive force wake-up signal input part, and the cathode of the eighth diode (D8) is connected with the cathode of the seventh diode (D7).
9. The multi-function sleep wakeup system for an electronic controller according to claim 8, wherein the back emf wakeup portion (3) further includes,
A ninth resistor (R9), a first end of the ninth resistor (R9) is connected to a second end of the eighth resistor (R8), and a second end of the ninth resistor (R9) is grounded;
One end of the fourth capacitor (C4) is connected with the base electrode of the second triode (Q2), and the other end of the fourth capacitor (C4) is grounded;
And one end of the fifth capacitor (C5) is connected with the back electromotive force Wake-up end (door_Wake), and the other end of the fifth capacitor (C5) is grounded.
10. The multi-function sleep wakeup system for an electronic controller according to claim 9, wherein the back emf wakeup portion (3) further includes,
A fifth test point (TP 5) disposed between the cathode of the seventh diode (D7) and the first end of the eighth resistor (R8);
A sixth test point (TP 6) connected to the first end of the ninth resistor (R9);
and a seventh test point (TP 7) is connected with the collector electrode of the second triode (Q2).
CN202322695274.4U 2023-10-08 2023-10-08 Multifunctional dormancy awakening system of electronic controller Active CN220962194U (en)

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