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50mA charger solution promotion

Allen Tang2
Prodigy 400 points
Other Parts Discussed in Thread: BQ25121A

Hi team,

Customer needs a charger promotion, 

4.2V 50ma Li-battery;

Buck to 3V and power the system;

Photodiode for the current-voltage conversion

small size and low consumption.

brs

Allen

  • 0
    TI__Mastermind 21590 points

    Hello,

    Please take a look at the BQ25121A which is a 300mA charger with an integrated buck converter. The buck is set to 2.5V by default but the device can be configured though I2C.It comes in a small 2.5mm x 2.5mm BGA package.