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.
5% Charge Voltage Accuracy – ±3% Charge Current Accuracy – ±3% Adapter Current Accuracy – ±2% Input Current Sense Amp Accuracy • Integ...

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