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BQ25618 I2C Controlled 1-Cell 1.5-A Battery Charger

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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.

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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

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