MCP73833-FCI/UN Microchip Technology IC BATT CNTRL LI-ION 1CEL 10MSOP


The MCP73833-FCI/UN is an IC (Integrated Circuit) manufactured by Microchip Technology. Here is an overview of this IC, highlighting its key features, specifications, and typical applications based on the information provided:


MCP73833-FCI/UN Overview:

  • Manufacturer: Microchip Technology
  • IC Type: Battery Charge Controller for Lithium-Ion (Li-Ion) batteries
  • Cell Configuration: Designed for single-cell Li-Ion battery configurations
  • Package Type: 10-pin Mini Small Outline Package (MSOP)
  • Operating Voltage: Designed to operate within a specific voltage range
  • Charge Control: Manages the charging process for Li-Ion batteries

Key Features:

  • Li-Ion Battery Management: Specifically designed for controlling the charging of single-cell Li-Ion batteries.
  • Package Type: Compact 10-pin MSOP package for space-constrained applications.
  • Charge Current Control: Regulates the charge current to ensure safe and efficient charging.
  • Battery Protection: Provides protection features to prevent overcharging and over-discharging of the battery.
  • Status Indication: May include indicators or pins for reporting charge status or fault conditions.
  • Thermal Management: Likely includes features for thermal regulation during the charging process.
  • DataSheet

    MCP73833-FCI/UN PDF


  • Charge Voltage: Supports the appropriate charge voltage for Li-Ion batteries.
  • Charge Current Range: Specifies the range of current that can be supplied to the battery during charging.
  • Temperature Range: Designed to operate within specific temperature limits for optimal performance.
  • Interface: May include interface pins for connecting external components or monitoring systems.
  • Efficiency: Designed for high efficiency to minimize power loss during the charging process.

Typical Applications:

  • Portable Electronics: Used in various portable devices powered by Li-Ion batteries such as smartphones, tablets, and digital cameras.
  • Wireless Devices: Employed in wireless devices like Bluetooth headsets and IoT devices requiring battery management.
  • Consumer Electronics: Integrated into consumer electronics for efficient battery charging.
  • Power Banks: Utilized in power banks to manage the charging of the internal Li-Ion cells.


  • The MCP73833-FCI/UN IC from Microchip Technology serves as a critical component in battery-powered devices, ensuring safe and optimized charging of Li-Ion batteries.
  • Refer to the datasheet and application notes provided by Microchip for detailed specifications, application circuit examples, and guidelines for using the MCP73833-FCI/UN in your designs.

The MCP73833-FCI/UN from Microchip Technology is tailored for controlling the charging process of single-cell Li-Ion batteries. Its compact 10-pin MSOP package, charge control features, and battery protection mechanisms make it well-suited for various portable electronics, wireless devices, consumer electronics, and power bank applications where Li-Ion battery management is essential.