Automobile electronic high-current over-current protection circuit
An overcurrent protection circuit and automotive electronics technology, applied in emergency protection circuit devices, circuit devices, emergency protection devices with automatic disconnection, etc., can solve the problems of slow response time, low selectivity, and inability to realize timely protection of the controller, etc. problems, to achieve fast response time and reduce costs
Pending Publication Date: 2018-10-19
上海拓为汽车技术有限公司
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Abstract
The invention relates to an automobile electronic high-current over-current protection circuit comprising a MOS transistor driving circuit, an operational amplifier circuit, and a protection circuit.The input end of the MOS transistor driving circuit is connected with the output end of a driving control module. The output end of the MOS transistor driving circuit is connected with a load module.The input end of the operational amplifier circuit is connected to the output end of the MOS transistor driving circuit. The output end of the operational amplifier circuit is connected to the inputend of the protection circuit. The output end of the protection circuit is connected to the input end of the MOS transistor driving circuit. The automobile electronic high-current over-current protection circuit improves the over-current protection capability of a power circuit and reduces the cost of a controller system.
Application Domain
Emergency protective arrangements for automatic disconnection
Technology Topic
Power circuitsHigh current +6
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