BQ25798 Datasheet - Texas Instruments

BQ25798, 5-A Buck-Boost Battery Charger

BQ25798 SLUSDV2B * MAY 2020 * REVISED JANUARY 2023 BQ25798 I2C Controlled, 1- to 4-Cell, 5-A Buck-Boost Battery Charger with Dual-Inpu.
The BQ25798 is a fully integrated switch-mode buck-boost charger for 1-4 cell Li-ion batteries and Li-polymer batteries.

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 frequen

Applications

* Video doorbell, Smart home control
* Data concentrators, Robotic lawn mower
* Asset tracking, Mobile POS

BQ25798-etcTI.pdf