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BQ2000T Datasheet Programmable Multi-chemistry Fast-charge Management

Manufacturer: Texas Instruments

Overview: bq2000T www.ti.com SLUS149D – MAY 1999 – REVISED JANUARY 2010 Programmable Multi-Chemistry Fast-Charge Management IC Check for Samples:.

General Description

The bq2000T is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd), nickel metal-hydride (NiMH), or lithium-ion (Li-Ion) batteries in single- or multi-chemistry applications.

The bq2000T chooses the proper battery chemistry (either nickel or lithium) and proceeds with the optimal charging and termination algorithms.

This process eliminates undesirable, undercharged, or overcharged conditions, and allows accurate and safe termination of fast charge.

Key Features

  • 1.
  • Safe Management of Fast Charge for NiCd, NiMH, or Li-Ion 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 ΔT/Δt for Nickel Chemistries, Minimum Current for Li-Ion Chemistries, Maximum Temperature, and Maximum Charge Time.
  • Selectable Top-Off Mode for Achieving Maximum Capacity in NiMH Batteries.

BQ2000T Distributor

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