BQ24610RGET Texas Instruments 电池管理 Synch Sw-Mode Li-Ion Li-Poly Batt Charger

Features
• 600-kHz NMOS-NMOS Synchronous Buck • Charge Enable Pin

Converter • 6-V Gate Drive for Synchronous Buck Converter

• Stand-Alone Charger Support for Li-Ion or Li- • 30-ns Driver Dead-Time and 99.5% Maximum

Polymer Effective Duty Cycle

• 5-V to 28-V VCC Input Operating Range and • Energy Star Low Quiescent Current Iq

Supports 1- to 6-Battery Cells (bq24610) – < 15-μA Off-State Battery Discharge Current

• 5-V to 24-V VCC Input Operating Range and – < 1.5-mA Off-State Input Quiescent Current

Supports 1- to 5-Battery Cells (bq24617)

• Up to 10-A Charge Current and Adapter Current 2 Applications

• High-Accuracy Voltage and Current Regulation • Netbooks, Mobile Internet Devices, and Ultra–

±0.5% Charge Voltage Accuracy Mobile PCs

– ±3% Charge Current Accuracy • Personal Digital Assistants (PDAs)

– ±3% Adapter Current Accuracy • Handheld Terminals

• Integration • Industrial and Medical Equipment

– Automatic System Power Selection From • Portable Equipment