Microchip Battery Charge Controller IC 3.75V to 6V Input 4.2V Output 500mA SOT-23 5-Pin MCP73811T-420I/OT

Microchip MCP73811T-420I/OT is a highly efficient Battery Charge Controller IC designed to manage single cell Lithium-Ion and Lithium-Polymer batteries. The device supports input voltages ranging from 3.75V to 6V with a regulated output of 4.2V and maximum charge current capability of 500mA. Packaged in a small 5-pin SOT-23 surface mount package, it is ideal for compact and cost-sensitive applications.

This advanced linear controller integrates a pass transistor, current sensing, and reverse discharge protection, ensuring safe and efficient charging. It achieves high accuracy voltage regulation within ±0.75%, allowing reliable battery management. The device supports programmable charge currents ranging from 15mA to 500mA and includes thermal regulation features to protect against overheating.

The operating temperature range of -40°C to 85°C supports use in various environmental conditions common to industrial and consumer electronic devices. Applications of this IC include battery chargers for Bluetooth headsets, digital cameras, personal data assistants, cellular telephones, MP3 players, and USB chargers.

Microchip's MCP73811T series offers multiple voltage regulation options including 4.2V, 4.35V, 4.4V, and 4.5V, giving designers flexible choices for their battery charging requirements. Manufactured in Thailand, it complies with industry standards but does not carry specific automotive certifications.

Compact SOT-23 5-pin surface mount package with minimal PCB footprint. High accuracy pre-set voltage regulation at ±0.75% tolerance. Programmable charge current from 15mA up to 500mA supporting various battery capacities.

Integrated pass transistor and current sensing for precise charging control. Thermal regulation and reverse discharge protection for robust safety. Wide operating temperature range from -40°C to 85°C. Compatible with diverse portable electronics and USB charging systems.

Cost-effective and space-saving solution for Li-Ion and Li-Polymer battery management.

This Battery Charge Controller IC is an essential component for industrial, consumer electronic, and manufacturing applications requiring reliable and efficient battery charging solutions. Explore more Power Management ICs on EnvMart for comprehensive electronics component selections.