The MCP73838T-FCI/MF is a highly integrated linear charge management controller from Microchip Technology, designed for space-limited and cost-sensitive applications. This miniature single-cell, fully integrated Li-Ion/Li-Polymer charge management controller is ideal for portable electronics where compact size and advanced battery charging capabilities are critical.

Key Features

• Charge Management: Offers constant current/constant voltage operation with thermal regulation to maximize charge rate without risk of overheating.
• Programmable Charge Current: Users can set the charge current from 15mA to 500mA via an external resistor, providing flexibility for different battery capacities and sizes.
• High Accuracy: Preset voltage regulation ensures that the battery is charged accurately to 4.2V, with a tight tolerance of ±0.75%.
• Automatic Power-Down: The device automatically enters a low current standby mode when the charge cycle is complete, conserving power.
• LED Status Indicator: An onboard LED status indicator allows for immediate visual feedback on the charging process.
• Charge Termination: The controller includes an automatic charge termination feature based on minimum current levels, ensuring safety and battery longevity.
• Temperature Range: Operational across an industrial temperature range from -40°C to +85°C, making it suitable for a variety of environments.
• Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for safe and reliable operation.

Applications

The MCP73838T-FCI/MF is versatile and can be used in a variety of applications, including:

• Personal Data Assistants (PDAs)
• Cellular Telephones
• Digital Cameras
• MP3 Players
• Bluetooth Headsets
• Portable Gaming Devices

With its compact size in a 10-DFN (3x3 mm) package, the MCP73838T-FCI/MF is an excellent choice for designers looking for a reliable and efficient charging solution for their next-generation portable devices.