BQ76925: bq76925 is sleep with MCU power down

xiao zhu25

Part Number: BQ76925

Dear All:

In my design, the MCU is powered from the outside not from the Battery, if i disconnect the external power, the mcu can't work, in this moment how to put the BQ76925 into sleep mode？

over 7 years ago

0 David Hien over 7 years ago

TI__Genius 10830 points

Hi Xiao,
Your post has been assigned to one of our BMS experts. We need to catch up on your past post (our last answer was from March 2nd).

Regards,
David

0 WM5295 over 7 years ago in reply to David Hien

TI__Guru 54715 points

Hi Xiao,
The bq76925 sleep mode is entered by I2C. Your MCU would need to recognize power was being removed and send the sleep command. It should be designed to have enough operating time from the power filter capacitor to complete this operation.

Power management

Power management forum

BQ76925: bq76925 is sleep with MCU power down