BQ24400PWR 供应商
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BQ24400PWR
品牌：TI 封装/批号：原厂原装/22+ -
BQ24400PWR
品牌：TI 封装/批号：MSOP/5 -
BQ24400PWR
品牌：TI 封装/批号：/21+
BQ24400PWR 属性参数
- 标准包装：2,000
- 类别：集成电路 (IC)
- 家庭：PMIC - 电池管理
- 系列：-
- 功能：充电管理
- 电池化学：镍镉（NiCd）、镍金属氢化物（NiMH）
- 电源电压：4 V ~ 6 V
- 工作温度：-20°C ~ 70°C
- 安装类型：表面贴装
- 封装/外壳：8-TSSOP（0.173"，4.40mm 宽）
- 供应商设备封装：8-TSSOP
- 包装：带卷 (TR)
产品特性
- Safe Management of Fast Charge for NiCd and NiMH Battery Packs
- High-Frequency Switching Controller for Efficient and Simple Charger Design
- Pre-Charge Qualification for Detecting Shorted, Damaged, or Overheated Cells
- Fast-Charge Termination by Peak Voltage (PVD), Maximum Temperature, and Maximum Charge Time
- Selectable Top-Off Mode for Achieving Maximum Capacity in NiMH Batteries
- Programmable Trickle-Charge Mode for Reviving Deeply Discharged Batteries and for Postcharge Maintenance
- Built-in Battery Removal and Insertion Detection
- Sleep Mode for Low Power Consumption
- APPLICATIONS Nickel ChargerHigh-Power, Multi-Cell Charger
- Nickel Charger
- High-Power, Multi-Cell Charger
产品概述
The bq24400 is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd) and nickel metal-hydride (NiMH) in single or multi-cell applications. The
bq24400 provides these charge termination criteria:For safety, the bq24400 inhibits fast charge until the battery voltage and temperature are within user-defined limits. If the battery voltage is below the low-voltage threshold, thebq24400 uses trickle-harge to condition the battery. For NiMH batteries, the bq24400 provides an optional top-off charge to maximize the battery capacity.The integrated high-speed comparator
allows the bq24400 to be the basis for a complete, high-efficiency battery charger circuit for nickel-based chemistries.