Manufacturer Part Number
MCP73843-420I/MS
Manufacturer
Microchip Technology
Introduction
The MCP73843-420I/MS is a fully integrated charger for Lithium Ion or Lithium Polymer batteries designed by Microchip Technology. This device is engineered to provide efficient charging solutions in a compact form factor.
Product Features and Performance
Fully Integrated Lithium Ion/Polymer charger
Automatic end-of-charge control
High-accuracy voltage regulation
Integrated pass transistor
Integrated current sense
Integrated thermal regulation
Low external component count
Product Advantages
Space-saving MSOP package
High-accuracy voltage regulation ensures precise charging
Built-in safety features enhance battery protection
Supports design flexibility through programmable timer
Key Technical Parameters
Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 1
Battery Pack Voltage: 4.2V
Voltage Supply (Max): 12V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Package/Case: 8-TSSOP, 8-MSOP
Quality and Safety Features
Integrated thermal regulation to prevent overheating
Precision charging control to promote battery longevity
Compatibility
Engineered for use with single-cell Lithium Ion or Polymer batteries
Application Areas
Portable consumer electronics
Wireless headsets
Handheld devices
Product Lifecycle
The product status is Active, indicating ongoing production and availability
No current indication of near-term discontinuation, ensuring long-term availability
Several Key Reasons to Choose This Product
High integration level simplifies circuit design and reduces BOM costs
Supports a wide range of Lithium battery chemistries, offering design flexibility
Thermal regulation and precise voltage regulation enhance battery safety and lifespan
Suitable for compact, portable applications due to its small package size
Active product status with Microchip Technology provides reliable long-term availability and support