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The BQ2000PWR is a programmable multi-chemistry fast charge management IC that selects the appropriate charging and termination algorithms based on the chemistry of the battery to ensure the safety and accuracy of the charging process. It supports multiple charge termination criteria, including peak voltage (PVD) for nickel chemistries, minimum charge current for lithium chemistries, as well as maximum temperature and maximum charge time.

Features of BQ2000PWR

Safe management of fast charging NiCd, NiMH or Li-ion battery packs

High-frequency switching controller for efficient and simple charger design

Pre-charge qualification for detection of short-circuited, damaged or overheated batteries

Fast charge termination based on peak voltage (PVD) for nickel chemistries, minimum current, maximum temperature and maximum charge time for lithium-ion chemistries

Selectable top-bottom mode for maximum capacity of NiMH batteries

Programmable trickle charge mode for recovery of deeply discharged batteries and post-charge maintenance

Built-in battery removal and insertion detection

Low power sleep mode

BQ2000PWR Product Attributes

Product Category: Battery Management

Output Voltage: Adjustable

Output Current: 2 A

Operating supply voltage: 4 V to 6 V

Package / Case: TSSOP-8

Mounting Style: SMD/SMT

Series: BQ2000

Maximum Operating Temperature: + 70 C

Minimum Operating Temperature: - 20 C

BQ2000PWR Applications

Multi-chemistry chargers

Nickel chargers

High power multi-cell chargers

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