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
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