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bq24751 - Multi-chemistry Battery Charger

Description

The bq24751 is a high-efficiency, synchronous battery charger with integrated compensation and system power selector logic, offering low component count for space-constrained multi-chemistry battery charging applications.

Features

  • NMOS-NMOS Synchronous Buck Converter with 300 kHz Frequency and >95% Efficiency.
  • 30-ns Minimum Driver Dead-time and 99.5% Maximum Effective Duty Cycle.
  • High-Accuracy Voltage and Current Regulation.
  • ±0.5% Charge Voltage Accuracy.
  • ±3% Charge Current Accuracy.
  • ±3% Adapter Current Accuracy.
  • ±2% Input Current Sense Amp Accuracy.
  • Integration.
  • Automatic System Power Selection From AC/DC Adapter or Battery.
  • Intern.

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Other Datasheets by Texas Instruments

Part Number Description
bq24751A Host-controlled Multi-Chemistry Battery Charger
bq24751B Host-Controlled Multi-Chemistry Battery Charger
bq24750 Host-Controlled Multi-Chemistry Battery Charger
bq24750A Host-Controlled Multi-Chemistry Battery Charger
bq24753 Host-Controlled Multi-Chemistry Battery Charger

Full PDF Text Transcription

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www.ti.com bq24751 SLUS734 – DECEMBER 2006 Host-controlled Multi-chemistry Battery Charger with System Power Selector, AC Over-Power Protection, and Programmable OVP FEATURES • NMOS-NMOS Synchronous Buck Converter with 300 kHz Frequency and >95% Efficiency • 30-ns Minimum Driver Dead-time and 99.5% Maximum Effective Duty Cycle • High-Accuracy Voltage and Current Regulation – ±0.
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