Manufacturer Part Number
MCP73831-2ACI/MC
Manufacturer
Microchip Technology
Introduction
Integrated single-cell, fully-integrated Li-Ion/Li-Polymer charge management controller
Product Features and Performance
Programmable charge current up to 500mA
Precision programmable charge voltage up to 4.2V
High-accuracy voltage regulation
Automatic power-down when charge cycle completes
Thermal regulation safety feature
Preconditioning of deeply depleted cells
LED status indicator for charge status
Product Advantages
High-level integration for space-constrained applications
Minimizes component count and design complexity
Automatic end-of-charge control minimizes power consumption
Advanced safety features to protect battery and system
Extends battery life with precision charging
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 1
Current Charging: Constant Programmable
Fault Protection: Over Voltage
Charge Current Max: 500mA
Battery Pack Voltage: 4.2V
Voltage Supply (Max): 6V
Operating Temperature: -40°C to 85°C
Charge Current Programmable
Quality and Safety Features
Over Voltage Protection
Thermal regulation to prevent overheating
Preconditioning for low voltage battery revival
Automatic charge termination for power conservation
Compatibility
Compatible with single-cell Li-Ion and Li-Polymer batteries
Application Areas
Portable Electronics
Wearables
Smart devices
Medical and Healthcare Equipment
Battery-powered sensors
Product Lifecycle
Active product status, not currently nearing discontinuation
Support and resources available, including possible replacements or upgrades
Several Key Reasons to Choose This Product
Advanced battery charging with a small footprint ideal for space-limited applications
Precision charge control enhances battery longevity
Multiple safety features to prevent battery and system damage
High integration reduces system complexity and development time
Suitable for a wide range of temperatures, enhancing versatility in various environments
Microchip's reputation for reliability and support in the industry