BQ25619 - I2C Controlled 1-Cell 1.5-A Battery Charger

Texas Instruments

Download the BQ25619 datasheet PDF. This datasheet also includes the BQ25618 variant, as both parts are published together in a single manufacturer document.

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BQ25619 i2c controlled 1-cell 1.5-a battery charger by Texas Instruments - Datasheet Preview — Note: The manufacturer provides a single datasheet file (BQ25618-etcTI.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	BQ25619
Manufacturer	Texas Instruments
File Size	2.74 MB
Description	I2C Controlled 1-Cell 1.5-A Battery Charger
Datasheet	BQ25619 Datasheet

Overview

BQ25618, BQ25619 SLUSDF8F – JUNE 2019 – REVISED FEBRUARY 2025 BQ25618/619 I2C Controlled 1-Cell 1.

Key Features

Single chip solution to charge wearable accessories from adapter or battery.
High-efficiency, 1.5MHz, synchronous switch-mode buck charger.
95.5% charge efficiency at 0.5A and 94.5% efficiency at 1A.
±0.5% charge voltage regulation (10mV step).
I2C programmable JEITA profile of charge voltage, current and temperature thresholds.
Low termination current with high accuracy 20mA±10mA.
Small inductor form factor of 2.5 x 2.0 x 1.0mm3.

More Datasheets from Texas Instruments

Part Number	Description
BQ25618	I2C Controlled 1-Cell 1.5-A Battery Charger
bq25600	I2C Controlled 3.0-A Single Cell Battery Charger
bq25600C	I2C Controlled 3.0-A Single Cell Battery Charger
bq25600D	I2C Controlled 3.0-A Single Cell Battery Charger
bq25601	1-Cell 3-A Buck Battery Charger
bq25606	Standalone 3.0-A Single Cell Battery Charger
BQ25620	Buck Battery Charger
BQ25622	Buck Battery Charger
bq25010	SINGLE-CHIP CHARGER AND DC/DC CONVERTER
bq25011	SINGLE-CHIP CHARGER AND DC/DC CONVERTER