BQ25619
BQ25619 is I2C Controlled 1-Cell 1.5-A Battery Charger manufactured by Texas Instruments.
- Part of the BQ25618 comparator family.
- Part of the BQ25618 comparator family.
BQ25618, BQ25619
SLUSDF8F
- JUNE 2019
- REVISED FEBRUARY 2025
BQ25618/619 I2C Controlled 1-Cell 1.5A Battery Charger with 20mA Termination and 1A Boost Operation
1 Features
- Single chip solution to charge wearable accessories from adapter or battery
- High-efficiency, 1.5MHz, synchronous switch-mode buck charger
- 95.5% charge efficiency at 0.5A and 94.5% efficiency at 1A
- ±0.5% charge voltage regulation (10mV step)
- I2C programmable JEITA profile of charge voltage, current and temperature thresholds
- Low termination current with high accuracy
20mA±10mA
- Small inductor form factor of 2.5 x 2.0 x 1.0mm3
- Boost mode with output from 4.6V to 5.15V
- 94% boost efficiency at 1A output
-...
