描述 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.

特性 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