Key facts
- Brand
- UNITRODE
- Model
- bq2004
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-07-03
Start here

UNITRODE bq2004E/H Fast-Charge IC Datasheet
The UNITRODE bq2004E/H Fast-Charge ICs provide comprehensive fast charge control functions together with high-speed switching power control circuitry on a monolithic CMOS device. These chips are designed to be the basis of cost-effective solutions for stand-alone and system-integrated chargers for batteries of one or more cells.
Read onlineUNITRODE bq2004 specifications
| Input Voltage | 5.0V +10% |
|---|---|
| Standby Current | < 5A |
| Package Type | 16-Pin Narrow DIP or Narrow SOIC |
All UNITRODE bq2004 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How often does the device sample the battery voltage during fast charge?
The bq2004E/H samples the voltage at the BAT pin once every 34 seconds.
How often does the IC sample the battery voltage during fast charge?
The bq2004E/H samples the voltage at the BAT pin once every 34 seconds.
What battery types does the bq2004 support?
It supports fast charge and conditioning of nickel cadmium or nickel-metal-hydride batteries.
How is the bq2004 controlled?
It uses hysteretic PWM switch-mode current regulation or gated control of an external regulator.
