bq2004 is a fast charge and conditioning ic launched by texas instruments for nickel cadmium or nickel-metal hydride batteries, supporting hysteretic PWM switch-mode current regulation or gated control of an external regulator, can be easily integrated into systems or used as a stand-alone charger, supporting temperature and voltage pre-charge qualification, configurable, direct LED outputs display battery and charge status, supporting ∆ temperature/∆ time, peak volume detection, -∆V, maximum voltage, maximum temperature and maximum time fast-charge termination, optional top-off charge and pulsed current maintenance charging, logic-level controlled low-power mode (< 5µA standby current)
The bq2004 is a Fast-Charge IC that provides comprehensive fast charge control functions and high-speed switching power control circuitry on a monolithic CMOS device. It is designed for charging batteries of one or more cells, supporting both stand-alone and system-integrated charger solutions.
| Input Voltage | 5.0V +10% |
|---|---|
| Standby Current | < 5A |
| Package Type | 16-Pin Narrow DIP or Narrow SOIC |
It supports fast charge and conditioning of nickel cadmium or nickel-metal-hydride batteries.
It uses hysteretic PWM switch-mode current regulation or gated control of an external regulator.