Texas Instruments bq2002D/T Fast-Charge Management IC Datasheet

bq2002d/t is a low-cost cmos battery charger controller that can provide reliable charge termination for both nicd and nimh battery applications

Brand: Texas Instruments
Category: Other Electronics
Document type: Datasheet
Language: English
Pages: 12
File format: PDF
File size: 86 KB
Published: 03 July, 2012
Updated: 30 September, 2023
Model: BQ2002D
MD5 checksum: CD2D013F9C5F8899DA5D580C7387D5BD
PDF: Texas Instruments bq2002D/T Fast-Charge Management IC Datasheet PDF

About this manual

The bq2002D/T Fast-Charge Management ICs are designed to provide reliable charge termination for nickel cadmium (NiCd) and nickel-metal hydride (NiMH) battery applications. These low-cost CMOS controllers can be used as the basis for a cost-effective stand-alone or system-integrated charger by controlling a current-limited or constant-current supply.

What's inside

Features
General Description
Pin Connections
Pin Descriptions
Functional Description
Charge Cycle Phases
Fast-Charge Safety Time/Top-Off Table
Absolute Maximum Ratings

Specifications

Package Options	8-pin 300-mil DIP or 150-mil SOIC
Storage Temperature	-40 to +85 C

Frequently asked questions

How is fast charge terminated?

Fast charge terminates based on rate of temperature rise, maximum voltage, maximum temperature, or maximum time.

How long does it take to sample a battery's temperature?

A single temperature sample is created by averaging 16 measurements taken over 18.18ms.

What happens to the charging current when the INH pin is high?

When the INH pin goes high, fast charge and top-off activity are suspended.

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