Manufacturer Part Number
MCP73838-FCI/UN
Manufacturer
Microchip Technology
Introduction
The MCP73838 is a highly integrated single-cell lithium-ion/polymer battery charge management controller that is designed to provide a complete and robust battery charging solution.
Product Features and Performance
Integrated constant-current, constant-voltage linear charger
Programmable charge current up to 1.1A
Automatic charge termination and trickle charge
Integrated power FET and sense resistor
Over-voltage, over-current, and thermal limit protection
JEITA compatible temperature-qualified charging
Automatic recharge and charge status indication
Battery pre-conditioning for deeply discharged batteries
Product Advantages
Highly integrated solution reduces external component count
Robust protection features ensure safe and reliable charging
Programmable charging parameters for versatile battery charging
Small package size enables compact battery charging designs
Key Technical Parameters
Operating voltage range: 4.0V to 6.0V
Charge current range: 0 to 1.1A
Charge termination current: 10% of programmed charge current
Operating temperature range: -40°C to +85°C
Quality and Safety Features
ROHS3 compliant
Overcurrent, overtemperature, and overvoltage protection
Safety timer prevents overcharging
Compatibility
Supports single-cell lithium-ion and lithium-polymer batteries
Application Areas
Portable electronics
Power tools
Wearable devices
Industrial equipment
Product Lifecycle
This product is currently in production and available from Microchip.
No known plans for discontinuation or replacement at this time.
Key Reasons to Choose This Product
Highly integrated design reduces external component count and simplifies PCB layout
Robust protection features ensure safe and reliable battery charging
Programmable charging parameters allow optimization for different battery types
Small package size enables compact battery charger designs
Long-term product availability and support from a trusted manufacturer
MCP73842-820I/UNMicrochip