BQ25892: BQ25892 VSYS

Lupinn

Part Number: BQ25892

Hi,

I am designing the battery charging circuit using IC BQ25892. However, the problem is that my VSYS voltage is 2.65V. I do not know why? Can you help me? Thank you very much.

over 3 years ago

0 Ning T over 3 years ago

TI__Mastermind 46611 points

Ngo,

Please visit https://e2e.ti.com/support/power-management/f/196/t/890624 for I2C controlled BQ2560X: Schematic Review and PCB Layout Design Tips.

Please visit https://e2e.ti.com/support/power-management/f/196/t/874557 for BQ2589X: Schematic Review and PCB Layout Design Tips and https://e2e.ti.com/support/power-management/f/196/t/875386 for BQ2589x/BQ25898x FAQs. Please also check the register readings and see if there's any faults or DPM etc , especially for REG0B and REG0C.

Thanks,

Ning.

Power management

Power management forum

BQ25892: BQ25892 VSYS