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bq24725A - 1-4 Cell Li+ Battery SMBus Charge Controller

Description

The BQ24725A is a high-efficiency, synchronous battery charger, offering low component count for space-constraint, multi-chemistry battery charging applications.

Features

  • 1 SMBus Host-controlled NMOS-NMOS synchronous buck converter with programmable 615kHz, 750kHz, and 885kHz switching frequencies.
  • Automatic N-channel MOSFET selection of system power source from adapter or battery driven by internal charge pumps.
  • Enhanced safety features for over voltage protection, over current protection, battery, inductor and MOSFET short circuit protection.
  • Programmable input current, charge voltage, charge current limits.
  • ±0.5% Ch.

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Datasheet preview – bq24725A

Datasheet Details

Part number bq24725A
Manufacturer Texas Instruments
File Size 2.30 MB
Description 1-4 Cell Li+ Battery SMBus Charge Controller
Datasheet download datasheet bq24725A Datasheet
Additional preview pages of the bq24725A datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community BQ24725A SLUSAL0C – SEPTEMBER 2011 – REVISED JANUARY 2020 BQ24725A SMBus 1- to 4-Cell Li+ Buck Battery Charge Controller with N-Channel Power MOSFET Selector 1 Features •1 SMBus Host-controlled NMOS-NMOS synchronous buck converter with programmable 615kHz, 750kHz, and 885kHz switching frequencies • Automatic N-channel MOSFET selection of system power source from adapter or battery driven by internal charge pumps • Enhanced safety features for over voltage protection, over current protection, battery, inductor and MOSFET short circuit protection • Programmable input current, charge voltage, charge current limits – ±0.5% Charge voltage accuracy up to 19.2V – ±3% Charge current accuracy up to 8.
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