MCP73812 - Microchip Technology

MCP73812 (MCP73811 / MCP73812) Fully Integrated Li-Ion / Li-Polymer Charge Management Controllers

The MCP73811/2 devices are linear charge management controllers that are designed for use in space limited and cost sensitive applications. The MCP73811/2 provide specific charge algorithms for single cell Li-Ion or Li-Polymer battery to achieve optimal capacity in the shortest charging time possible. Along with its small physical size, the low number of ext.

Features

• Complete Linear Charge Management Controller - Integrated Pass Transistor - Integrated Current Sense - Integrated Reverse Discharge Protection
• Constant Current / Constant Voltage Operation with Thermal Regulation
• High Accuracy Preset Voltage Regulation: + 1%
• Voltage Regulation: 4.20V
• Selectable Charge Current: - MCP73811: 85 mA / 450 mA
• Programmable Charge Current: - MCP73812: 50 mA - 500 mA
• Minimum External Components Required: - MCP73811: 2 Ceramic Capacitors - MCP73812: 2 Ceramic Capacitors and 1 Resistor
• No Preconditioning
• No End-of-Charge Control
• No Undervoltage Lockou.