Semtech SC804
Fully Integrated Lithium-Ion Battery Charger System with Timer
Obsolete - this device is no longer available.
No Datasheet
Features
- Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor, timer, and thermal protection
- Battery voltage controlled to 1% accuracy
- Programmable pre charge, fast charge & termination current over wide range, with analog current control reference input for design flexibility
- Up to 1.5A continuous charge current
- Input voltage range from 3V to 14V
- Soft-start reduces start-of-charge adapter load transients
- NTC thermistor sense input and adjustable cold temperature threshold
- Adjustable 2 - 6 hour programmable charge timer
- 0.1µA battery drain current in shutdown and monitor modes
- Over-current protection in all modes
- Over-voltage protection
- Remote Kelvin sensing at the battery terminals
- Status indicators for charger-present, charger-active, over-voltage fault, and error notification
- Small 4mm x 4mm 16 lead MLPQ package
Applications
- Cellular phones
- PDAs
- Handheld meters
- Charging stations
- Handheld computers
- Digital Cameras
- Programmable current source
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