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TIDA-00792: BQ78350+BQ76940

user6501051
Intellectual 735 points
Part Number: TIDA-00792
Other Parts Discussed in Thread: BQ76940, BQ78350

i want to use BQ78350+BQ76940 design one battery management system, my machine can send command to BQ78350 let's system enter into sleep mode,  i want to let my machine send command to BQ78350 let's the system wakeup, i do not want to use connect the charger wakup the battery management system, How can I implement this function？ if the BQ78350 can use one GPIO let's this pin output the high level.

have a nice day!

  • 0
    TI__Mastermind 36060 points

    Hello User,

    The BQ78350 can only be sent a SMBus command to wake-up if using the ManufacturerAccess() SLEEP mode command, else the device will WAKE with any SMBus communication. Read Section 8.3.1 Device Sleep and 8.3.2 ManufacturerAccess() MAC Sleep of the Technical Reference Manual (TRM) for more detailed information on SLEEP mode conditions.

    See Section 17.2 of the TRM for a list of ManufacturerAccess() commands.

    Best Regards,

    Luis Hernandez Salomon