Manufacturer Part Number
MCP73831T-2ACI/MC
Manufacturer
Microchip Technology
Introduction
Small Single-Cell Li-Ion/Polymer Battery Charger
Product Features and Performance
Integrated Pass Transistor
Integrated Current Sense
Reverse Discharge Protection
High Accuracy Preset Voltage Regulation: +0.75%
Programmable Charge Current: 15mA to 500mA
Selectable Charge Termination
Thermal Regulation
Product Advantages
High charging efficiency for Li-Ion/Polymer batteries
Minimal external components required
Automatic power-down when battery is full
Safety features for battery protection
Key Technical Parameters
Charging Current: Constant - Programmable
Fault Protection: Over Voltage
Max Charge Current: 500mA
Battery Pack Voltage: 4.2V
Voltage - Supply (Max): 6V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Package/Case: 8-VFDFN Exposed Pad
Supplier Device Package: 8-DFN (2x3)
Quality and Safety Features
Thermal Regulation prevents overheating
Over Voltage Protection safeguards against voltage spikes
Preset Voltage Regulation ensures precise charging
Compatibility
Designed for single-cell Lithium Ion or Lithium Polymer batteries
Application Areas
Portable electronic devices
Wearable technology
Medical equipment
Wireless sensors
Product Lifecycle
Active status; not reported as near discontinuation
Available in tape and reel for automated manufacturing
Several Key Reasons to Choose This Product
Compact DFN package suitable for space-constrained applications
Integrated power components reduce system complexity
Wide operating temperature range suitable for various environments
Microchip's reputation for reliability and support
Programmable features allow customization to meet specific system requirements