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TPS51225C: TPS51225C在-40℃温度下启动异常

Part Number: TPS51225C

TPS51225C在-40℃温度下启动异常,无电压输出。测试发现其EN/VREG引脚电压正常,但DRVH1/DRVL1/DRVH2/DRVL2引脚均无输出,希望能确认是什么问题。