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.
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.