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BQ25730: Device cannot charge

Part Number: BQ25730


Hello Sir:

Please refer our schematic as below.

Our input source is 20V/2A, Battery voltage is 10.2V, and our charging configuration shows below.

*ChargeVoltage()=12800

*ChargeCurrent()=3000

*VSYS_MIN()=9200

*InputVoltage()=10500

*ChargeStatus() = 0x8000

*ProchotStatus() = 0xB800

*VSYS PINVSYS_MIN, check voltage when no load on VSYS.

According above conditions we cannot charge battery now.

Would you please list some check point for us?

Looking forward your feedback.

Thanks a lot.