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BQ2002G Datasheet Nicd/nimh Fast-charge Management

Manufacturer: UNITRODE

Overview: bq2002E/G NiCd/NiMH Fast-Charge Management ICs.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The bq2002E and bq2002G FastCharge ICs are low-cost CMOS battery-charge controllers providing reliable charge termination for both NiCd and NiMH battery applications.

Controlling a current-limited or constant-current supply allows the bq2002E/G to be the basis for a costeffective stand-alone or system-integrated charger.

The bq2002E/G integrates fast charge with optional top-off and pulsed- trickle control in a single IC for charging one or more NiCd or NiMH battery cells.

Key Features

  • ® 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 ® Optional top-off charge ® Selectable pulse trickle charge rates ® Low-power mode ® 8-pin 300-mil DIP or 150-mil SOIC Pin Connections General.

BQ2002G Distributor

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