MCP73871T-2AAI/ML - Microchip Technology

Manufacturer Part Number

MCP73871T-2AAI/ML

Manufacturer

Microchip Technology

Introduction

Integrated charge management controller for single-cell Li-Ion/Li-Polymer batteries

Product Features and Performance

Integrated charge management controller

Temperature regulation for safe charging

Preconditioning of deeply discharged batteries

Automatic recharge

Charge status outputs for LED indicators or system interface

Product Advantages

Flexible USB or AC adapter charging

High accuracy prespecified charge voltage

Proportional charge current regulation

Internal pass transistor

Thermal shutdown protection

Key Technical Parameters

Battery Chemistry: Lithium-Ion/Polymer

Number of Cells: 1

Constant Charge Current: Programmable

Programmable Timers

Max Charge Current: 1.1A

Battery Pack Voltage: 4.2V

Max Supply Voltage: 6V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Over Temperature Protection

Thermal Regulation

Under-Voltage Lockout (UVLO)

Automatic End-of-Charge Control

Reverse Discharge Protection

Compatibility

USB compatible

Compatible with single-cell Lithium-Ion or Lithium Polymer battery types

Application Areas

Portable consumer electronics

Battery powered devices

USB charging applications

Energy harvesting applications

Product Lifecycle

Status: Active

Not currently nearing discontinuation

Replacements or upgrades should be sought directly from Microchip Technology for future-proofing

Several Key Reasons to Choose This Product

Uses advanced high-frequency PWM control for efficient battery charging

Provides constant charging current and voltage regulation for precise charging

Supports USB 2.0 standard for power input

Extended temperature range for a variety of environments

Small package design suitable for space-constrained applications

Lead-free, RoHS compliant and environmentally friendly

Comprehensive safety features to protect the battery and host device