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BQ2004 Datasheet Fast Chargeer

Manufacturer: Benchmarq

Overview: bq2004 Fast-Charge IC.

Datasheet Details

Part number BQ2004
Manufacturer Benchmarq
File Size 642.31 KB
Description Fast Chargeer
Datasheet BQ2004-Benchmarq.pdf

General Description

The bq2004 Fast Charge IC provides prehensive fast charge control functions together with high-speed switching power control circuitry on a monolithic CMOS device.

Integration of closed-loop current control circuitry allows the bq2004 to be the basis of a cost-effective solution for stand-alone and systemintegrated chargers for batteries of one or more cells.

Switch-activated discharge-beforecharge allows bq2004-based chargers to support battery conditioning and capacity determination.

Key Features

  • Fast charge and conditioning of nickel cadmium or nickel-metal hydride batteries.
  • Hysteretic PWM switch-mode current regulation or gated control of an external regulator.
  • Easily integrated into systems or used as a stand-alone charger.
  • Pre-charge qualification of temperature and voltage.
  • Configurable, direct LED outputs display battery and charge status.
  • Fast-charge termination by ∆ temperature/∆ time, peak volume detection, -∆V, maximum vol.

BQ2004 Distributor