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bq24765 - SMBus-Controlled Multi-Chemistry Battery Charger

Description

The bq24765 is a high-efficiency, synchronous battery charger with two integrated 30-mΩ NMOS power MOSFETs, and an integrated input current comparator, offering low component count for spaceconstraint, multi-chemistry battery charging applications.

Features

  • Integrated Power MOSFETs, NMOS-NMOS, Synchronous Buck Converter.
  • >95% Efficiency.
  • Frequency 700kHz Allows Smaller Inductor (5 mm x 5 mm).
  • Thermal Regulation Loop for Safety, Limit TJ = 120°C.
  • Adaptive 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 Curre.

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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
bq24704 Host-Controlled Li-Ion and Li-Polymer Battery Charger
bq24705 Host-Controlled Multi-Cell Battery Charger
bq24707 1-4 Cell Li+ Battery SMBus Charge Controller

Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24765 SLUS999A – NOVEMBER 2009 – REVISED NOVEMBER 2015 bq24765 SMBus-Controlled Multi-Chemistry Battery Charger With Integrated Power MOSFETs 1 Features • Integrated Power MOSFETs, NMOS-NMOS, Synchronous Buck Converter • >95% Efficiency • Frequency 700kHz Allows Smaller Inductor (5 mm x 5 mm) • Thermal Regulation Loop for Safety, Limit TJ = 120°C • Adaptive Driver Dead-time and 99.5% Maximum Effective Duty Cycle • High-Accuracy Voltage and Current Regulation – ±0.
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