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bq2004E/H
Fast-Charge ICs
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 voltage, maximum temperature, and maximum time
➤ Optional top-off charge and pulsed current maintenance charging
➤ Logic-level controlled low-power mode (< 5µA standby current)
General Description
The bq2004E and bq2004H Fast Charge ICs provide comprehensive fast charge control functions together with high-speed
BQ2004E Datasheet
