MCP73838-FCI/UN - Microchip Technology

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