BQ25798
BQ25798 is 5-A Buck-Boost Battery Charger manufactured by Texas Instruments.
SLUSDV2B
- MAY 2020
- REVISED JANUARY 2023
BQ25798 I2C Controlled, 1- to 4-Cell, 5-A Buck-Boost Battery Charger with Dual-Input Selector, MPPT for Solar Panels and Fast Backup Mode
1 Features
- High power density, high integration buck-boost charger for 1-4 cell batteries supporting USB PD 3.0 profile
- Integrates four switching MOSFETs, BATFET
- Integrates input and charging current sensing
- Highly efficient
- 750-kHz or 1.5-MHz switching frequencies
- 5-A charging current with 10-mA resolution
- 96.5% efficient: 16-V battery at 3A from 20V
- Supports a wide range of input sources
- Autonomously sampled open circuit voltage (VOC) maximum power point tracking (MPPT) for charging...
