Safe power supply circuit for electronic steering column lock of automotive PEPS system

Safe power supply circuit for electronic steering column lock of automotive PEPS system

The invention provides a safe power supply circuit for an electronic steering column lock of an automobile PEPS system. The safe power supply circuit includes a power supply control input circuit, a logic control circuit, a first drive circuit and a second drive circuit. The power supply control inp...

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Hauptverfasser: BAI WENFENG, ZHANG YUWEN, LIU YUE, YAO QINWEN, WANG CHUNHUA, WANG GUANDA, PEI JING, TANG ZINING
Format: Patent
Sprache:chi ; eng
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PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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creator BAI WENFENG
ZHANG YUWEN
LIU YUE
YAO QINWEN
WANG CHUNHUA
WANG GUANDA
PEI JING
TANG ZINING
description The invention provides a safe power supply circuit for an electronic steering column lock of an automobile PEPS system. The safe power supply circuit includes a power supply control input circuit, a logic control circuit, a first drive circuit and a second drive circuit. The power supply control input circuit controls the positive-electrode input end of an ESCL power supply through the logic control circuit and the first drive circuit in turn and controls the negative-electrode input end of the ESCL power supply through the logic control circuit and the second drive circuit in turn. An outputsignal of the power supply control input circuit includes an output signal of an IG1 relay, an MCU port signal and an MCU reset signal. The ESCL power supply and the ground are simultaneously controlled through the output signal of the IG1 relay, the MCU port signal and the MCU reset signal, and serious consequences caused by accidental electrifying of the ESCL in the driving process are effectively avoided. A set IG1 rel
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subjects PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
title Safe power supply circuit for electronic steering column lock of automotive PEPS system
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