BQ25798 Datasheet (Texas Instruments) - 5-A Buck-Boost Battery Charger

BQ25798, 5-A Buck-Boost Battery Charger

The BQ25798 is a fully integrated switch-mode buck-boost charger for 1-4 cell Li-ion batteries and Li-polymer batteries.

The integration includes 4 switching MOSFETs, input and charging current sensing circuits, the battery FET and all the loop compensation of the buck-boost converter.

It uses NVDC

BQ25798 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