BQ2002C - 具有负 dV 和峰值电压检测终端的镍镉电池/镍氢电池闸控充电管理 IC

BQ2002C是TI德州仪器公司的一款电池充电器IC产品，BQ2002C是具有负 dV 和峰值电压检测终端的镍镉电池/镍氢电池闸控充电管理 IC，本站介绍了BQ2002C的封装应用图解、特点和优点、功能等，并给出了与BQ2002C相关的TI元器件型号供参考。

BQ2002C - 具有负 dV 和峰值电压检测终端的镍镉电池/镍氢电池闸控充电管理 IC - 电池充电器IC - 电池管理产品 - 德州仪器

产品描述

The bq2002C Fast-Charge IC is a lowcost CMOS battery-charge controller providing reliable charge termination for both NiCd and NiMH battery applications. Controlling a current-limited or constant-current supply allows the bq2002C to be the basis for a cost effective stand-alone or system-integrated charger. The bq2002C integrates fast charge with pulsed-trickle control in a single IC for charging one or more NiCd or NiMH battery cells.

Fast charge is initiated on application of the charging supply or battery replacement. For safety, fast charge is inhibited if the battery temperature and voltage are outside configured limits.

Fast charge is terminated by any of the following:

Peak voltage detection (PVD) Negative delta voltage (–ΔV) Maximum voltage Maximum temperature Maximum time

After fast charge, the bq2002C pulsetrickles the battery per the preconfigured limits. Fast charge may be inhibited using the INH pin. The bq2002C may also be placed in low standby-power mode to reduce system power consumption.

产品特性

Fast charge of nickel cadmium or nickel-metal hydride batteries
Direct LED output displays charge status
Fast-charge termination by -.V, maximum voltage, maximum temperature, and maximum time
Internal band-gap voltage reference
Selectable pulse-trickle charge rates
Low-power mode
8-pin 300-mil DIP or 150-mil SOIC

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