Control device of power supply circuit
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United States of America Patent
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Jun 25, 2013
Grant Date -
Apr 25, 2013
app pub date -
Dec 14, 2012
filing date -
Nov 20, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An ECU executes a program including a step of turning on an SMRP and an A-SMRP if an ignition switch is turned on; a step of detecting voltage values VB(1) and VB(2) of running batteries when VH is detected and if VH is higher than 180 V; a step of detecting that SMRP connected to the running battery is welded, if VB(1) is higher than 150 V; and a step of detecting that A-SMRB connected to the running battery is welded, if VB(2) is higher than 150 V.
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