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FAULT 引脚
Open drain output used to display short circuit or DC-detect fault status. Voltage compliant to AVCC. Short circuit faults can be set to auto-recovery by connecting FAULT pin to SD pin. Otherwise both short circuit faults and DC-detect faults must be reset by cycling PVCC.
不一定是过载保护, 电源电压波动太大也可能引起的. 这可能跟你的供电电源有关, 也跟布板有关, 慢慢查吧
