CN218839377U - ECU control circuit, ECU and vehicle - Google Patents
ECU control circuit, ECU and vehicle Download PDFInfo
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- CN218839377U CN218839377U CN202223604353.1U CN202223604353U CN218839377U CN 218839377 U CN218839377 U CN 218839377U CN 202223604353 U CN202223604353 U CN 202223604353U CN 218839377 U CN218839377 U CN 218839377U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The application provides an ECU control circuit, ECU and vehicle includes: the first end of the first switching device is used for receiving an enabling signal input by an external circuit, the second end of the first switching device is grounded, and the enabling signal input by the external circuit is used for controlling the first switching device to be turned on or turned off; the first end of the resistance module is electrically connected with the third end of the first switching device; the output end of the power supply unit is electrically connected with the second end of the resistor module, and the grounding end of the power supply unit is grounded; and the preceding stage control chip is provided with a first pin and a second pin, the first pin of the preceding stage control chip is respectively and electrically connected with the third end of the first switching device and the first end of the resistance module, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit. The circuit only adds a switching device, and can solve the problem that the control accuracy of a control chip is low due to the existing scheme for reducing the dark current.
Description
Technical Field
The application relates to the field of ECU control circuits, in particular to an ECU control circuit, an ECU and a vehicle.
Background
The requirements of vehicle ECU (Electronic Control Unit) on dark current parameters are high, the requirements of most of ECU dark currents are between 100uA and 500uA, in order to reduce the dark currents as much as possible, a front-stage resistance module is designed to be as large as possible (> 100k omega), meanwhile, only partial power supply of a rear-stage Control chip is reserved, and other loads are disconnected by using a mechanical switch or an Electronic switch; the switch is opened after the vehicle is started, so that the rear load works normally.
In the above scheme, the main loss of the dark current includes the dark current of the preceding control chip, the dark current of the following control chip, and the current flowing through the resistance module around the two chips, where the dark current of the preceding control chip and the following control chip is about a few microamperes to a dozen microamperes, and the loss of the resistance module is often more than a few tens microamperes, even hundreds of microamperes. If the organization of the resistance modules is too large, the accuracy of chip control is seriously affected.
SUMMERY OF THE UTILITY MODEL
The main objective of the present application is to provide an ECU control circuit, an ECU and a vehicle, so as to solve the problem that the accuracy of control of a control chip is low due to the existing scheme for reducing dark current.
In order to achieve the above object, according to one aspect of the present application, there is provided an ECU control circuit, including a first switching device having a first terminal, a second terminal and a third terminal, the first terminal of the first switching device being configured to receive an enable signal input by an external circuit, the second terminal of the first switching device being grounded, the enable signal input by the external circuit being configured to control the first switching device to be turned on or off; the resistance module is provided with a first end and a second end, and the first end of the resistance module is electrically connected with the third end of the first switching device; the power supply unit is provided with an output end and a grounding end, the output end of the power supply unit is electrically connected with the second end of the resistance module, and the grounding end of the power supply unit is grounded; the first pin of the preceding stage control chip is respectively electrically connected with the third end of the first switching device and the first end of the resistor module, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit.
Further, the resistor module includes a first voltage-dividing resistor module and a second voltage-dividing resistor module, the first voltage-dividing resistor module and the second voltage-dividing resistor module are connected in series, and the control circuit further includes: the first pin of the rear-stage control chip is electrically connected with a branch between the second end of the first voltage-dividing resistance sub-module and the first end of the second voltage-dividing resistance sub-module, and the second end of the rear-stage control chip is grounded.
Further, the post-stage control chip further has a third pin, and the control circuit further includes: the second switching device is provided with a first end, a second end and a third end, the first end of the second switching device is electrically connected with the third pin of the rear-stage control chip, and the second end of the second switching device is electrically connected with the second end of the resistance module; and the load module is provided with an input end, and the input end of the load module is electrically connected with the third end of the second switching device.
Further, the rear-stage control chip further has a fourth pin, and the control circuit further includes: and the delayer is provided with a first end and a second end, the first end of the delayer is electrically connected with the first end of the first switching device, and the second end of the delayer is electrically connected with the fourth pin of the rear-stage control chip.
Further, the control circuit further includes: the first end of the third switch device is electrically connected with the output end of the power supply unit, the second end of the third switch device is electrically connected with the second pin of the preceding stage control chip, and the third end of the third switch device is electrically connected with the second end of the resistance module.
Further, the first switch device is an MOS transistor, a gate of the MOS transistor is electrically connected to the external circuit, a drain of the MOS transistor is electrically connected to the first end of the preceding stage control chip, and a source of the MOS transistor is grounded.
Further, the first switching device is a triode, a base of the triode is electrically connected with the external circuit, a collector of the triode is electrically connected with the first end of the preceding stage control chip, and an emitter of the triode is grounded.
Further, the second switch device is an MOS transistor, a gate of the MOS transistor is electrically connected to the third pin of the rear-stage control chip, a drain of the MOS transistor is electrically connected to the load module, and a source of the MOS transistor is electrically connected to the third terminal of the third switch device and the second terminal of the resistance module, respectively.
Further, the second switching device is a manual switch, and the manual switch is one of the following: a push-button switch and a toggle switch.
According to another aspect of the present application, there is provided an ECU including: any one of the above ECU control circuits.
According to another aspect of the present application, there is provided a vehicle including: any one of the above ECU control circuits.
By applying the technical scheme of the application, the application provides an ECU control circuit, which is provided with a first end, a second end and a third end through a first switching device, wherein the first end of the first switching device is used for receiving an enabling signal input by an external circuit, the second end of the first switching device is grounded, and the enabling signal input by the external circuit is used for controlling the first switching device to be turned on or turned off; the resistance module is provided with a first end and a second end, and the first end of the resistance module is electrically connected with the third end of the first switching device; the power supply unit is provided with an output end and a grounding end, the output end of the power supply unit is electrically connected with the second end of the resistance module, and the grounding end of the power supply unit is grounded; the first pin of the preceding stage control chip is electrically connected with the third end of the first switching device and the first end of the resistance module respectively, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit. The control circuit can realize the switch control of the two chips by using one switch device, and the switch device can disconnect all resistors which can generate dark current, namely a ground loop of the resistor directly connected with the battery, thereby greatly reducing the dark current. Under the condition that only one switching device is added at the cost, the dark current of the system is greatly reduced, the accuracy of chip control is improved, and the problem that the accuracy of control of a control chip is low due to the existing scheme for reducing the dark current is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a schematic diagram of a configuration of an ECU control circuit according to an embodiment of the present application;
fig. 2 shows another schematic configuration diagram of an ECU control circuit according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a first switching device; 20. an external circuit; 30. a resistance module; 31. a first divider resistance module; 32. a second divider resistor module; 40. a power supply unit; 50. a second switching device; 60. a load module; 70. a time delay; 80. a third switching device; 100. a preceding stage control chip; 200. and a rear-stage control chip.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
For convenience of description, some terms or expressions referred to in the embodiments of the present application are explained below:
an ECU: electronic Control Unit, electronic Control Unit;
MOS: metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET, is an abbreviation for MOSFET, MOSEFT Metal-Oxide but topic Field Effect Transistor.
As described in the background of the invention, in the prior art, in order to reduce dark current as much as possible, a front-stage resistor module is designed to be as large as possible (> 100k Ω), and an excessively large resistor module affects control accuracy of a front-stage chip and a rear-stage chip.
In an exemplary embodiment of the present application, an ECU control circuit is provided, as shown in fig. 1, including a first switching device 10 having a first terminal, a second terminal and a third terminal, the first terminal of the first switching device 10 being configured to receive an enable signal input by an external circuit 20, the second terminal of the first switching device 10 being grounded, the enable signal input by the external circuit 20 being configured to control the first switching device 10 to turn on or off; a resistor module 30 having a first terminal and a second terminal, the first terminal of the resistor module 30 being electrically connected to the third terminal of the first switching device 10; a power supply unit 40 having an output terminal and a ground terminal, wherein the output terminal of the power supply unit 40 is electrically connected to the second terminal of the resistor module 30, and the ground terminal of the power supply unit 40 is grounded; a front-stage control chip 100 having a first pin and a second pin, wherein the first pin of the front-stage control chip 100 is electrically connected to the third terminal of the first switching device 10 and the first terminal of the resistor module 30, respectively, and the second pin of the front-stage control chip 100 is electrically connected to the output terminal of the power supply unit 40.
The preceding stage control chip can be an LM5050 chip, can realize low-voltage driving, is environment-friendly and energy-saving, and has the characteristics of small volume and simplicity and convenience in installation. The resistance module can comprise a plurality of voltage-dividing resistance submodules, the voltage-dividing resistance submodules can be connected in series or in parallel, and the power supply unit can be an automobile storage battery.
The first switching device may be a MOS transistor, a gate of the MOS transistor may be electrically connected to the external circuit, a drain of the MOS transistor may be electrically connected to the first terminal of the preceding stage control chip, and a source of the MOS transistor may be grounded.
In another specific embodiment, the first switching device is a triode, a base of the triode is electrically connected to the external circuit, a collector of the triode is electrically connected to the first terminal of the preceding stage control chip, and an emitter of the triode is grounded.
In the prior art, in order to reduce the dark current as much as possible, the resistance of the resistor module is usually designed to be large, and is generally designed to be greater than 100k Ω, which may greatly reduce the accuracy of voltage division (because the chip often has a bias current, and an excessively large resistor may cause a large bias voltage), and thus may seriously affect the accuracy of chip control, and the arrangement of the first switching device may cut off a ground loop of the preceding stage control chip and the resistor module, so as to greatly reduce the dark current of the preceding stage control chip and the resistor module, and at this time, the dark current of the first switching device is less than 0.1uA. Therefore, the resistor module with smaller resistance value, such as dozens of ohms or hundreds of ohms, can be selected in the selection of the resistor module, and the influence on the control accuracy of the chip can be reduced. In addition, the first switch device is low in cost, and resource waste of manpower and material resources can be effectively avoided.
According to the chip selected by the previous-stage control chip, as shown in fig. 2, the previous-stage control chip 100 further has a fourth pin, wherein the fourth pin of the previous-stage control chip 100 is a power supply pin. Some control chips can realize power supply through the third pin of the preceding control chip, and other control chips only have a power supply pin, namely the fourth pin of the preceding control chip.
In an alternative embodiment, as shown in fig. 1, the resistor module 30 includes a first voltage-dividing resistor module 31 and a second voltage-dividing resistor module 32, the first voltage-dividing resistor module 31 and the second voltage-dividing resistor module 32 are connected in series, and the control circuit further includes: and a back-stage control chip 200, wherein the back-stage control chip 200 has a first pin and a second pin, the first pin of the back-stage control chip 200 is electrically connected to a branch between the second end of the first voltage-dividing resistor module 31 and the first end of the second voltage-dividing resistor module 32, and the second end of the back-stage control chip 200 is grounded.
The latter control chip may be a control chip of type LM5060, and the first voltage-dividing resistor sub-module and the second voltage-dividing resistor sub-module may also serve as sampling resistors, in addition to having a voltage-dividing function. In addition, the dark current of the subsequent control chip is small, and the ground circuit of the subsequent control chip can be not cut off.
For example, as shown in fig. 1, the rear-stage control chip 200 further has a third pin, and the control circuit further includes: a second switching device 50, wherein the second switching device 50 has a first terminal, a second terminal and a third terminal, the first terminal of the second switching device 50 is electrically connected to the third pin of the rear stage control chip 200, and the second terminal of the second switching device 50 is electrically connected to the second terminal of the resistor module 30; and a load module 60 having an input terminal, wherein the input terminal of the load module 60 is electrically connected to the third terminal of the second switching device 50. The rear-stage control chip is used for controlling the second switching device to be turned on or off, and under the condition that the vehicle is not in a working state, the second switching device controls the rear-stage load module to be turned off, and the switch is turned on after the vehicle is started, so that the rear-stage load module works normally.
Specifically, the second switching device is an MOS transistor, a gate of the MOS transistor is electrically connected to a third pin of the subsequent control chip, a drain of the MOS transistor is electrically connected to the load module, and a source of the MOS transistor is electrically connected to a third terminal of the third switching device and a second terminal of the resistor module, respectively.
The second switching device may also be a triode, a base of the triode is electrically connected with a third pin of the rear-stage control chip, a collector of the triode is electrically connected with the load module, and an emitter of the triode is electrically connected with a third end of the third switching device and a second end of the resistance module respectively.
In an alternative example, the second switching device is a manual switch, and the manual switch is one of: a button switch and a toggle switch.
The delay relay is mainly used in various maintenance and automatic control circuits of direct current or alternating current operation, and is used as an auxiliary relay to increase the number of electric shocks and the capacity of the electric shocks, and the time of delay can be freely adjusted as required, as shown in fig. 1, the rear-stage control chip 200 further has a fourth pin, and the control circuit further includes: and a delay 70, wherein the delay 70 has a first end and a second end, the first end of the delay 70 is electrically connected to the first end of the first switching device 10, and the second end of the delay 70 is electrically connected to the fourth pin of the rear-stage control chip 200. The delay device may be a simple RC circuit.
According to the difference of the chips selected by the subsequent control chip, as shown in fig. 2, the subsequent control chip 200 further has a fifth pin, wherein the fifth pin of the subsequent control chip 200 is a power supply pin. Some control chips can realize power supply through the third pin of the preceding control chip, and other control chips only have a power supply pin, namely the fourth pin of the preceding control chip.
In order to prevent the reverse connection of the power supply, as shown in fig. 1, the control circuit further includes: and a third switching device 80, wherein the third switching device 80 has a first terminal, a second terminal, and a third terminal, the first terminal of the third switching device 80 is electrically connected to the output terminal of the power supply unit 40, the second terminal of the third switching device 80 is electrically connected to the second pin of the front stage control chip 100, and the third terminal of the third switching device 80 is electrically connected to the second terminal of the resistor module 30. The preceding stage control chip is used for controlling the third switching device to be turned on or turned off, and the third switching device is used for preventing the power supply from being reversely connected, so that the circuit can be effectively protected.
Specifically, the third switching device is an MOS transistor, a gate of the MOS transistor is electrically connected to a third pin of the subsequent control chip, a drain of the MOS transistor is electrically connected to the second end of the resistor module, and a source of the MOS transistor is electrically connected to the output end of the power supply unit.
The third switching device is a triode, the base of the triode is electrically connected with the third pin of the rear-stage control chip, the collector of the triode is electrically connected with the second end of the resistance module, and the emitter of the triode is electrically connected with the output end of the power supply unit.
In the ECU control circuit of the present application, a first switching device has a first end, a second end and a third end, the first end of the first switching device is configured to receive an enable signal input by an external circuit, the second end of the first switching device is grounded, and the enable signal input by the external circuit is configured to control the first switching device to be turned on or off; a resistance module having a first end and a second end, the first end of the resistance module being electrically connected to the third end of the first switching device; a power supply unit having an output terminal and a ground terminal, wherein the output terminal of the power supply unit is electrically connected to the second terminal of the resistor module, and the ground terminal of the power supply unit is grounded; and the preceding stage control chip is provided with a first pin and a second pin, the first pin of the preceding stage control chip is respectively and electrically connected with the third end of the first switching device and the first end of the resistance module, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit. The control circuit can realize the switch control of the two chips by using one switch device, and the switch device can disconnect all resistors which can generate dark current, namely a ground loop of the resistor directly connected with the battery, thereby greatly reducing the dark current. Under the condition that only one switching device is added at cost, the dark current of a system is greatly reduced, the accuracy of chip control is improved, and the problem that the accuracy of control of a control chip is low due to the existing scheme for reducing the dark current is solved.
In an exemplary embodiment of the present application, there is provided an ECU including: any one of the above ECU control circuits.
The ECU of the present application includes any one of the ECU control circuits described above, and has a first terminal, a second terminal, and a third terminal through a first switching device, where the first terminal of the first switching device is configured to receive an enable signal input by an external circuit, the second terminal of the first switching device is grounded, and the enable signal input by the external circuit is configured to control the first switching device to be turned on or off; a resistor module having a first end and a second end, the first end of the resistor module being electrically connected to the third end of the first switching device; a power supply unit having an output terminal and a ground terminal, wherein the output terminal of the power supply unit is electrically connected to the second terminal of the resistor module, and the ground terminal of the power supply unit is grounded; and the preceding stage control chip is provided with a first pin and a second pin, the first pin of the preceding stage control chip is respectively and electrically connected with the third end of the first switching device and the first end of the resistance module, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit. The control circuit can realize the switch control of the two chips by using one switch device, and the switch device can disconnect all resistors which can generate dark current, namely a ground loop of the resistor directly connected with the battery, thereby greatly reducing the dark current. Under the condition that only one switching device is added at cost, the dark current of a system is greatly reduced, the accuracy of chip control is improved, and the problem that the accuracy of control of a control chip is low due to the existing scheme for reducing the dark current is solved.
In an exemplary embodiment of the present application, there is provided a vehicle including: any one of the above ECU control circuits.
The vehicle of the present application includes any one of the ECU control circuits described above, and includes a first terminal, a second terminal, and a third terminal, where the first terminal of the first switching device is configured to receive an enable signal input by an external circuit, the second terminal of the first switching device is grounded, and the enable signal input by the external circuit is configured to control the first switching device to be turned on or off; a resistor module having a first end and a second end, the first end of the resistor module being electrically connected to the third end of the first switching device; a power supply unit having an output terminal and a ground terminal, wherein the output terminal of the power supply unit is electrically connected to the second terminal of the resistor module, and the ground terminal of the power supply unit is grounded; and the first pin of the preceding stage control chip is electrically connected with the third end of the first switching device and the first end of the resistance module respectively, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit. The control circuit can realize the switching control of the two chips by using one switching device, and the switching device can disconnect all resistors which can generate dark current, namely the ground loop of the resistor which is directly connected with the battery, thereby greatly reducing the dark current. Under the condition that only one switching device is added at the cost, the dark current of the system is greatly reduced, the accuracy of chip control is improved, and the problem that the accuracy of control of a control chip is low due to the existing scheme for reducing the dark current is solved.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) According to the technical scheme, the ECU control circuit is provided with a first end, a second end and a third end, wherein the first end of the first switching device is used for receiving an enabling signal input by an external circuit; a resistor module having a first end and a second end, the first end of the resistor module being electrically connected to the third end of the first switching device; a power supply unit having an output terminal and a ground terminal, wherein the output terminal of the power supply unit is electrically connected to the second terminal of the resistor module, and the ground terminal of the power supply unit is grounded; and the preceding stage control chip is provided with a first pin and a second pin, the first pin of the preceding stage control chip is respectively and electrically connected with the third end of the first switching device and the first end of the resistance module, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit. The control circuit can realize the switch control of the two chips by using one switch device, and the switch device can disconnect all resistors which can generate dark current, namely a ground loop of the resistor directly connected with the battery, thereby greatly reducing the dark current. Under the condition that only one switching device is added at the cost, the dark current of the system is greatly reduced, the accuracy of chip control is improved, and the problem that the accuracy of control of a control chip is low due to the existing scheme for reducing the dark current is solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. An ECU control circuit characterized by comprising:
the first switch device is provided with a first end, a second end and a third end, the first end of the first switch device is used for receiving an enable signal input by an external circuit, the second end of the first switch device is grounded, and the enable signal input by the external circuit is used for controlling the first switch device to be turned on or turned off;
the resistance module is provided with a first end and a second end, and the first end of the resistance module is electrically connected with the third end of the first switching device;
the power supply unit is provided with an output end and a grounding end, the output end of the power supply unit is electrically connected with the second end of the resistor module, and the grounding end of the power supply unit is grounded;
the first pin of the preceding stage control chip is respectively electrically connected with the third end of the first switching device and the first end of the resistor module, and the second pin of the preceding stage control chip is electrically connected with the output end of the power supply unit.
2. The ECU control circuit of claim 1, wherein the resistance module includes a first divider resistance module and a second divider resistance module, the first divider resistance module and the second divider resistance module being connected in series, the control circuit further comprising:
the first pin of the rear-stage control chip is electrically connected with a branch between the second end of the first voltage-dividing resistor module and the first end of the second voltage-dividing resistor module, and the second end of the rear-stage control chip is grounded.
3. The ECU control circuit of claim 2, wherein the back-stage control chip further has a third pin, the control circuit further comprising:
the second switching device is provided with a first end, a second end and a third end, the first end of the second switching device is electrically connected with the third pin of the rear-stage control chip, and the second end of the second switching device is electrically connected with the second end of the resistance module;
and the load module is provided with an input end, and the input end of the load module is electrically connected with the third end of the second switching device.
4. The ECU control circuit of claim 2, wherein the rear stage control chip further has a fourth pin, the control circuit further comprising:
and the delayer is provided with a first end and a second end, the first end of the delayer is electrically connected with the first end of the first switching device, and the second end of the delayer is electrically connected with the fourth pin of the rear-stage control chip.
5. The ECU control circuit of claim 1, wherein the control circuit further comprises:
the first end of the third switching device is electrically connected with the output end of the power supply unit, the second end of the third switching device is electrically connected with the second pin of the preceding stage control chip, and the third end of the third switching device is electrically connected with the second end of the resistance module.
6. The ECU control circuit according to any one of claims 1 to 5, wherein the first switching device is a MOS transistor, a gate of the MOS transistor is electrically connected to the external circuit, a drain of the MOS transistor is electrically connected to the first end of the preceding stage control chip, and a source of the MOS transistor is grounded.
7. The ECU control circuit according to any one of claims 1 to 5, wherein the first switching device is a triode, a base of the triode is electrically connected to the external circuit, a collector of the triode is electrically connected to the first terminal of the preceding stage control chip, and an emitter of the triode is grounded.
8. The ECU control circuit according to any one of claims 1 to 5, wherein the second switching device is an MOS transistor, a gate of the MOS transistor is electrically connected to the third pin of the rear-stage control chip, a drain of the MOS transistor is electrically connected to the load module, and a source of the MOS transistor is electrically connected to the third terminal of the third switching device and the second terminal of the resistance module, respectively.
9. The ECU control circuit of any one of claims 1 to 5, wherein the second switching device is a manual switch that is one of:
a push-button switch and a toggle switch.
10. An ECU, characterized by comprising: the ECU control circuit of any one of claims 1 to 9.
11. A vehicle, characterized by comprising: the ECU control circuit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223604353.1U CN218839377U (en) | 2022-12-30 | 2022-12-30 | ECU control circuit, ECU and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223604353.1U CN218839377U (en) | 2022-12-30 | 2022-12-30 | ECU control circuit, ECU and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN218839377U true CN218839377U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223604353.1U Active CN218839377U (en) | 2022-12-30 | 2022-12-30 | ECU control circuit, ECU and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218839377U (en) |
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2022
- 2022-12-30 CN CN202223604353.1U patent/CN218839377U/en active Active
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