Semtech SC805
Not Recommended for New Designs; Use SC805A
The SC805 is a fully integrated, single cell, constant-current (CC)/constant-voltage (CV) Lithium-Ion battery charger in a tiny 3x3 mm thermally enhanced lead free MLP package. The SC805 can operate as a stand-alone charger or in conjunction with a Power Management Controller (PMIC).
Recommended part number: SC805A
Features
- Fully integrated charger with FET pass transistor, reverse-blocking diode,
- sense resistor and thermal protection
- High Accuracy Charge Current
- Tiny 3mm x 3mm 10 lead MLP package
- Programmable precharge, fastcharge & termination current
- Battery voltage controlled to 1% accuracy
- Built in timer for protection and complete charging
- NTC interface with battery detection
- Soft-start for step load and adaptor plug-in
- Up to 1A continuous charge current
- Input voltage range from 3V to 6V allows seamless charging from current limited adapter
- Provides adapter voltage VCCIL to power external accessories
- Battery Present detection and output indicator
- Operates in charger or LDO-mode without battery
- 0.1µA battery drain current in shutdown and monitor modes
- Over-current protection in all charging modes
- CHRGB output communicates charging and end of charge cycle
Applications
- Cellular phones
- PDAs
- Handheld meters
- Charging stations
- USB chargers
- Digital cameras
- Programmable current source
Order Codes
- SC805EVB: Evaluation Board
- SC805IMLTRT: MLP-10 lead-free package
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