BQ25170
BQ25170 is 800-mA Linear Battery Charger manufactured by Texas Instruments.
SLUSDJ8A
- APRIL 2020
- REVISED BBAPQQR22IL552110772001
SLUSDJ8A
- APRIL 2020
- REVISED APRIL 2021
BQ25170: 800-m A Linear Battery Charger for 1-Cell Li-Ion, and Li Fe PO4
1 Features
- Input voltage up-to 30-V tolerant
- Automatic Sleep Mode for low power consumption
- 350-n A battery leakage current
- 85-µA input leakage current when charge disabled
- Supports 1-cell Li-Ion, Li-Poly, and Li Fe PO4
- External resistor programmable operation
- VSET to set battery regulation voltage:
- Li-Ion: 4.05 V, 4.1 V, 4.2 V, 4.35 V, 4.4 V
- Li Fe PO4: 3.5 V, 3.6 V, 3.7 V
- ISET to set charge current from 10 m A to 800 m A
- High accuracy
- ±0.5% charge voltage accuracy
- ±10% charge current accuracy
- Charging Features
- Precharge current 20% of ISET
- Termination current 10% of ISET
- NTC thermistor input to monitor battery temperature
- TS pin for charging function control
- Open-drain output for status and fault indication
- Open-drain output for power good indication
- Integrated fault protection
- 6.6-V IN overvoltage...