BQ25125
BQ25125 is Highly Integrated Battery Charger manufactured by Texas Instruments.
SLUSDL9A
- JUNE 2019
- REVISED JANUARY 2021
BQ25125 Low IQ Highly Integrated Battery Charge Management Solution For Wearables and Io T
1 Features
- Increases system operation time between charges
- Configurable 300-m A buck regulator (1.8 V default)
- 700-n A (typical) Iq with buck converter enabled (No Load)
- Configurable load switch or 100-m A LDO output (1.8 V default)
- Up to 300-m A charge current for fast charging
- 0.5% Accurate battery voltage regulation
(configurable from 3.6 V to 4.65 V in 10-m V steps)
- Configurable termination current down to 500 µA
- Simple voltage based battery monitor
- Watchdog timer enabled by default
- VDPPM Loop disabled
- VINDPM Disabled by default to support low voltage charging
- Highly integrated solution with small footprint
- 2.5 mm x 2.5 mm WCSP Package and 6 external ponents for minimal solution
- Push-button wake-up and reset with adjustable timers
- Power path management for powering the system and charging the battery
- Power path management enables <50 n A ship mode battery quiescent current for longest shelf life
- Battery charger operates from 3.4 V
- 5.5 VIN (5.5-V OVP / 20-V tolerant)
- Dedicated pins for input current limit, charge current, termination current, and status output
- I2C munication control
- Charge voltage and current
- Termination threshold
- Input current limit
- VINDPM...