MCP73841-420I Datasheet PDF - Microchip

●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