MCP73842

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, c...