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BQ76940短路测试后死机

Other Parts Discussed in Thread: BQ76940

BQ76940电路可正常工作,做短路测试后,芯片好像是死机状态,REGOUT电压为0。

按BOOT键也无法重新启动,去除所有电连接后,重新上电才能正常使用。

这种故障原因是什么,需要如何避免该问题?