Semtech SC801

Features

• Fully integrated charger with
• FET pass transistor
• Reverse blocking diode
• Sense resistor
• Thermal protection
• Input voltage range 4.2 V to 14 V
• Complete voltage ranges
  • 4.1 V
  • 4.2 V
  • Adjustable
• Programmable pre-charge, fast-charge, and termination current
• Battery voltage controlled to 1% accuracy
• Soft start for step load and adaptor plug-in
• Up to 1.5 A continuous charge current
• Charge-current monitor output from microcontroller or ADC interface
• 0.1 µA battery drain current in shutdown and monitor modes
• Operates without a battery in regulated LDO mode
• Low thermal impedance of 50°C/watt
• Few external components
• Over-current protection in all charging modes
• Over-voltage protection
• All output can drive LEDs and interface to host processor
• Remote Kelvin sensing at the battery terminal
• Small input & output filter capacitors
• Status output communicates charging and end-of-charge cycle
• Charges Li-ion, Li-polymer, NiCd and NiMH batteries
• Now available in lead-free packaging
• Small 4 mm x 4 mm 16-lead MLP package

Applications

• Cellular phones
• PDAs
• Handheld meters
• Charging stations
• Handheld computers
• Digital cameras

Packaging

• MLPQ-16 (4X4 mm)