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BQ24133: SW輸出電壓等於PVCC

Part Number: BQ24133


各位先進您們好

目前使用BQ24133充電遇到SW點電壓無波形,不切換,電壓等於PVCC,請參考附件1

PVCC=13V,SW=13V     PVCC=15V,SW=15V

測試故障

TS電阻拔除,SW無電壓輸出,STAT閃爍跳動,判斷BQ24133應無故障

ISET電壓139mV

ACSET電壓140mV

皆無法調整

目前對電池充電變成定電壓源在充電,無法調節電流,充電電流等於供電電流
以上問題煩請,各位先進協助

感謝

附件線路圖