Semtech SC824
Single-cell Li-Ion Battery Charger Tri-Mode with Timer and NTC
The SC824 is a single input triple mode (adapter/USB High, USB Low) linear single-cell Li-Ion battery charger in a 10 lead 2x2 (mm) MLPD ultra-thin package.
Features
- Single input 30V protected charger
- Adapter, USB High, USB Low modes
- Charging by current regulation, voltage regulation,
and thermal limiting - Programmable currents from 70mA to 1A
- Fast-charge current regulation — 15% at 70mA,
9% at 700mA - Constant voltage — 4.2V, 1% regulation
- Input voltage protection 30V
- Current-limited adapter support capability — reduces power dissipation in charger IC
- USB modes automatically reduce charge current if
needed to prevent USB Vbus overload - Instantaneous CC-to-CV transition for faster charging
- Battery temperature NTC thermistor interface
- Multi-stage charge timer for safety and alternative
termination, IEEE Std. 1725-2006 compliant - Termination on current or timer — first to occur
- Soft-start reduces adapter or USB load transients
- High operating voltage range permits use of unregulated adapters
- Complies with CCSA YD/T 1591-2006
- High-current USB Dedicated Charger compatible
- Ultra-thin 2x2x0.6 (mm) MLPD package
- Lead-free and halogen-free
- WEEE and RoHS compliant
Applications
- Mobile phones
- Personal Media Players
- Personal Navigation Devices
Order Codes
- SC824ULTRT: Lead Free, WEEE and RoHS Compliant, 3,000 pcs Tape and Reel only
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