bq24704 Overview
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.
Key Features
- 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
- Integration – Internal Loop Compensation – Internal Soft-Start
- Supports Two, Three, or Four Li+ Cells
- 8 – 24 V AC/DC-Adapter Operating Range
- Charge Enable
- 24-pin, 4x4-mm QFN Package
- Energy Star Low Iq – < 10 µA Off-state Discharge Current – < 1.5 mA Off-state Input Quiescent Current AGND VREF VADJ ACGOOD ISYNSET IADAPT