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MCP73855T-I Datasheet(PDF) 1 Page - Microchip Technology |
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MCP73855T-I Datasheet(HTML) 1 Page - Microchip Technology |
1 / 24 page 2004 Microchip Technology Inc. DS21915A-page 1 MCP73853/55 Features • Linear Charge Management Controllers - Integrated Pass Transistor - Integrated Current Sense - Reverse Blocking Protection • High-Accuracy Preset Voltage Regulation: + 0.5% • Two Selectable Voltage Regulation Options: - 4.1V, 4.2V • Programmable Charge Current • USB Compatible Charge Current Settings • Programmable Safety Charge Timers • Preconditioning of Deeply Depleted Cells • Automatic End-of-Charge Control • Optional Continuous Cell Temperature Monitoring: - MCP73853 • Charge Status Output for Direct LED Drive • Fault Output for Direct LED Drive - MCP73853 • Automatic Power-Down • Thermal Regulation • Temperature Range: -40°C to +85°C • Packaging: - 16-Lead, 4x4 mm QFN (MCP73853) - 10-Lead, 3x3 mm DFN (MCP73855) Applications • Lithium-Ion/Lithium-Polymer Battery Chargers • Personal Data Assistants (PDAs) • Cellular Telephones • Hand-Held Instruments • Cradle Chargers •Digital Cameras • MP3 Players • Bluetooth Headsets • USB Chargers Description The MCP7385X devices are highly advanced linear charge management controllers for use in space- limited, cost-sensitive applications. The MCP73853 combines high-accuracy constant-voltage, constant- current regulation, cell preconditioning, cell temperature monitoring, advanced safety timers, automatic charge termination, internal current sensing, reverse blocking protection and charge status and fault indication in a space-saving 16-lead, 4 x 4 QFN package. The MCP73855 employs all the features of the MCP73853, with the exception of the cell temperature monitor and one status output. The MCP73855 is offered in a space-saving 10-lead, 3 x 3 DFN package. The MCP73853 and MCP73855 are designed specifically for USB applications, adhering to all the specifications governing the USB power bus. The MCP7385X devices provide two selectable voltage regulation options (4.1V or 4.2V) for use with either coke or graphite anodes. The MCP7385X devices provide complete, fully- functional, charge management solutions, operating with an input voltage range of 4.5V to 5.5V. The MCP7385X devices are fully specified over the ambient temperature range of -40°C to +85°C. Package Types VDD1 VBAT1 1 2 3 4 MCP73853 14 15 16 VDD2 VSET VSS3 VBAT3 VBAT2 5678 9 10 11 12 13 1 2 3 4 56 7 8 9 10 VSS1 16-Pin QFN 10-Pin DFN EN STAT1 VDD1 VSET VSS1 PROG VBAT1 VBAT2 VSS2 TIMER MCP73855 USB Compatible Li-Ion/Li-Polymer Charge Management Controllers |
Similar Part No. - MCP73855T-I |
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Similar Description - MCP73855T-I |
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