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MCP73853 数据表(PDF) 1 Page - Microchip Technology |
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MCP73853 数据表(HTML) 1 Page - Microchip Technology |
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1 / 32 page  2004-2013 Microchip Technology Inc. DS21915C-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, 4x4 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, 3x3 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. These devices have complete and fully-functional, charge management solutions, operating with an input voltage range of 4.5V to 5.5V. These are fully specified over the ambient temperature range of -40°C to +85°C. Package Types 2 MCP73853 4x4 QFN* VDD2 VSS1 VSET VBAT3 VBAT2 VBAT1 VSS3 VDD1 EP 16 1 15 14 13 3 4 12 11 10 9 56 7 8 17 MCP73855 3x3 DFN* VDD1 VSET VSS1 VBAT2 VBAT1 1 2 3 4 10 9 8 7 VSS2 EN STAT1 EP 11 5 6 PROG TIMER *Exposed Pad (EP) is at VSS potential. USB Compatible Li-Ion/Li-Polymer Charge Management Controllers |
类似零件编号 - MCP73853_13 |
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类似说明 - MCP73853_13 |
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