Microchip Technology's MCP73826-4.2VCHTR Battery Charger

The MCP73826-4.2VCHTR is a highly efficient, single-cell, fully-integrated linear lithium-ion/lithium-polymer battery charger designed by Microchip Technology, a leader in microcontroller and analog semiconductors. This miniature charging solution is specifically tailored for space-constrained applications, making it an ideal component for portable electronic devices.

Key Features

• Charge Voltage: Specifically designed to charge a single-cell lithium-ion or lithium-polymer battery to a final voltage of 4.2V with high accuracy.
• Charge Current: Programmable via an external resistor, allowing designers to customize the charge rate for various battery sizes and desired charge times.
• Package Type: Available in a compact 10-TDFN (3x3mm) package, the MCP73826-4.2VCHTR is optimized for portable applications where space is at a premium.
• Thermal Regulation: Protects the device by limiting the charge current when the internal die temperature approaches a set threshold, ensuring safe operation under high power or high ambient conditions.
• Automatic Power-Down: The charger transitions to a low-power state when the charge cycle is complete, reducing power consumption and extending battery life.

Applications

With its compact design and precision charging capabilities, the MCP73826-4.2VCHTR is well-suited for a variety of applications, including:

• Portable Medical Devices
• Bluetooth Headsets
• Smart Watches and Wearable Technology
• Handheld Gaming and Entertainment Systems
• GPS Devices and Fitness Trackers

Product Advantages

The MCP73826-4.2VCHTR stands out in the market with its advanced safety features, including pre-conditioning of deeply discharged batteries, constant current/constant voltage operation, and automatic recharge. Its thermal regulation capability ensures reliability and longevity of the battery by preventing overheating during the charging process. The integration of all these features in a single chip makes the MCP73826-4.2VCHTR a comprehensive charging solution for modern portable electronics.