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bq24704 - Host-Controlled Li-Ion and Li-Polymer Battery Charger

Description

The bq24704 is a high-efficiency, synchronous battery charger with integrated compensation offering low component count for space-limited Li-Ion and Li-Polymer battery charging applications.

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.

📥 Download Datasheet

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Other Datasheets by Texas Instruments

Part Number Description
bq24702 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
bq24703 MULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
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bq24707A 1-4 Cell Li+ Battery SMBus Charge Controller

Full PDF Text Transcription

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Not Recommended for New Designs bq24704 www.ti.com........................................................................................................................................................................................................ SLUS838 – MAY 2009 Low Cost, Host-Controlled Li-Ion and Li-Polymer Battery Charger With Low Iq 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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