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MCP73841

Microchip Technology
Part Number MCP73841
Manufacturer Microchip Technology
Description Lithium-Ion/ Lithium-Polymer Charge Management Controllers
Published Nov 10, 2006
Detailed Description MCP73841/2/3/4 Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers Features • Linea...
Datasheet PDF File MCP73841 PDF File

MCP73841
MCP73841

Overview
MCP73841/2/3/4 Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers 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 Typical Application Circuit 1A Lithium-Ion Battery Charger MA2Q705 5V 10 µF 100 m NDS8434 18 SENSE DRV 2 VDD VBAT 7 3 STAT1 VSS 6 4 EN TIMER 5 100 k MCP73843 + Single - Lithium-Ion Cell 10 µF 0.
1 µF MCP73843 MCP73844 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.
The MCP73843 and MCP73844 employ all the features of the MCP73841 and MCP73842, with the exception of the cell temperature monitor.
The MCP73843 and MCP73844 are offered in 8-pin MSOP packages.
The MCP73841 and MCP73843 are designed for application...


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