Part bq24704
Description Host-Controlled Li-Ion and Li-Polymer Battery Charger
Manufacturer Texas Instruments
Size 2.55 MB
Texas Instruments

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