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BQ78350 Charger Detection

Chul woo Park
Prodigy 205 points
Other Parts Discussed in Thread: BQ78350, BQ78350-R1

HI,

Can BQ78350 detect connection of adapter?

What I want is , smart battery FETs(low side) are disabled during storage,

and if external charger adapter is connected to battery, then FETs should be turned on.

Smart battery also have a MCU on it.

  • 0
    TI__Guru 73830 points
    The bq78350-R1 does offer the PRES input to detect whether the pack is inserted and turn the FETs on or off depending on the state. If the bq78350-R1 and bq769xx device are in shutdown, then the wake-up detection feature is on the bq769xx device. You can wake the devices up by applying a temporary voltage to TS1.