Description

The MCP7384X family of devices are highly advanced linear charge management controllers for use in space-limited, cost-sensitive applications. The MCP73841 and MCP73842 combine high accuracy, constant-voltage, constant-current regulation, cell preconditioning, cell temperature monitoring, advanced safety timers, automatic charge termination and charge status indication in space-saving, 10-pin MSOP packages. The MCP73841 and MCP73842 provide complete, fully-functional, stand-alone charge management solutions.

Features

• Linear Charge Management Controllers

• High-Accuracy Preset Voltage Regulation:

    -+0.5% (max)

• Four Preset Voltage Regulation Options:

  - 4.1V - MCP73841-4.1, MCP73843-4.1

  - 4.2V - MCP73841-4.2, MCP73843-4.2

  - 8.2V - MCP73842-8.2, MCP73844-8.2

  - 8.4V - MCP73842-8.4, MCP73844-8.4

• Programmable Charge Current

• Programmable Safety Charge Timers

• Preconditioning of Deeply Depleted Cells

• Automatic End-of-Charge Control

• Optional Continuous Cell Temperature Monitoring (MCP73841 and MCP73842)

• Charge Status Output for Direct LED Drive

• Automatic Power-Down when Input Power Removed

• Temperature Range: -40°C to 85°C

• Packaging: MSOP-10 - MCP73841, MCP73842

                 MSOP-8 - MCP73843, MCP73844

Applications

• Lithium-Ion/Lithium-Polymer Battery Chargers

• Personal Data Assistants

• Cellular Telephones

• Hand-Held Instruments

• Cradle Chargers

• Digital Cameras

• MP3 Players