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MCP73841 bảng dữ liệu(PDF) 1 Page - Microchip Technology |
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MCP73841 bảng dữ liệu(HTML) 1 Page - Microchip Technology |
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1 / 24 page  2004 Microchip Technology Inc. DS21823B-page 1 M MCP73841/2/3/4 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 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 pre- conditioning, 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 applications utilizing single-cell Lithium-Ion or Lithium- Polymer battery packs. Two preset voltage regulation options are available (4.1V and 4.2V) for use with either coke or graphite anodes. The MCP73841 and MCP73843 operate with an input voltage range of 4.5V to 12V. The MCP73842 and MCP73844 are designed for applications utilizing dual series cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are available (8.2V and 8.4V). The MCP73842 and MCP73844 operate with an input voltage range of 8.7V to 12V. The MCP7384X family of devices are fully specified over the ambient temperature range of -40°C to +85°C. Package Types + - VSS DRV SENSE VDD VBAT STAT1 36 7 1 2 MCP73843 8 10 µF 10 µF 100 k Ω 100 m Ω 5V Single Lithium-Ion Cell NDS8434 MA2Q705 1A Lithium-Ion Battery Charger EN 5 TIMER 4 0.1 µF 10-Pin MSOP SENSE VDD STAT1 EN DRV VBAT VSS TIMER 1 2 3 4 8 7 6 5 8-Pin MSOP VDD STAT1 EN THREF VBAT VSS TIMER THERM 2 3 4 5 9 8 7 6 SENSE DRV 1 10 Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers |
Số phần tương tự - MCP73841 |
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Mô tả tương tự - MCP73841 |
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