BQ25619, BQ25618 I2C Controlled 1-Cell 1.5-A Battery Charger

Texas Instruments

Description

BQ25618, BQ25619 SLUSDF8F * JUNE 2019 * REVISED FEBRUARY 2025 BQ25618/619 I2C Controlled 1-Cell 1.5A Battery Charger with 20mA Termina.
The BQ25618/619 integrates charge, boost converter and voltage protection in a single device.

📥 Download Datasheet

BQ25619 Datasheet Preview — This datasheet PDF includes multiple part numbers: BQ25619, BQ25618. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: BQ25619, BQ25618
Manufacturer: Texas Instruments ↗
File Size: 2.74 MB
Datasheet: BQ25618-etcTI.pdf
Description: I2C Controlled 1-Cell 1.5-A Battery Charger
Note: This datasheet PDF includes multiple part numbers: BQ25619, BQ25618.
Please refer to the document for exact specifications by model.

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 progr

Applications

* Consumer wearables, smartwatch
* Personal care and fitness
* Headsets/headphone
* Earbuds (True Wireless or TWS) charging case

BQ25619 Distributors

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BQ25618 I2C Controlled 1-Cell 1.5-A Battery Charger Texas Instruments

Texas Instruments BQ25619-like datasheet