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bq24740 - Host-Controlled Multi-Chemistry Battery Charger

General Description

The bq24740 is a high-efficiency, synchronous battery charger with integrated compensation, offering low component count for space-constrained multi-chemistry battery charging applications.

Key Features

  • 1.
  • 2 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.
  • Internal Loop Compensation.
  • Internal Soft Start.
  • Safety.

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Full PDF Text Transcription for bq24740 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for bq24740. For precise diagrams, and layout, please refer to the original PDF.

bq24740 www.ti.com............................................................................................................................................... SLUS736C...

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............................................................. SLUS736C – DECEMBER 2006 – REVISED MARCH 2009 Host-Controlled Multi-Chemistry Battery Charger With Low Input Power Detect FEATURES 1 •2 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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