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UVLO 没有欠压 VCC7.46V 感觉一直处于热关断状态 但芯片不发烫 是我芯片坏了吗？
Hi，
UVLO电压正常, VCC有电压,SS一直处于低电平，电路一直不工作. 检查一下主回路的元器件(MOSFET,电感和反馈电阻等) 有无虚焊
或者更换芯片看看.
