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Part Number: MCP73863
Description: The MCP7386X family of devices are highly advanced linear charge management controllers for use in spacelimited, cost-s...
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MCP73863
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General Description
MCP73863 General Description
The MCP7386X family of devices are highly advanced linear charge management controllers for use in spacelimited, cost-sensitive applications. The devices combine high-accuracy, constant voltage and current regulation, cell preconditioning, cell temperature monitoring, advanced safety timers, automatic charge termination, internal current sensing, reverse-blocking protection, charge status and fault indication in either a spacesaving 16-pin, 4 x 4 QFN or 16-pin SOIC package. The MCP7386X provides a complete, fully-functional, standalone charge management solution with a minimum number of external components.
The MCP73861/3 is intended for applications utilizing single-cell Lithium-Ion or Lithium-Polymer battery packs, while the MCP73862/4 is intended for dual series cell Lithium-Ion or Lithium-Polymer battery packs. The MCP73861/3 have two selectable voltageregulation options available (4.1V and 4.2V), for use with either coke or graphite anodes and operate with an input voltage range of 4.5V to 12V. The MCP73862/4 have two selectable voltage-regulation options available (8.2V and 8.4V), for use with coke or graphite anodes, and operate with an input voltage range of 8.7V to 12V.
The only difference between the MCP73861/2 and MCP73863/4, respectively, is the function of the charge status output (STAT1) when a charge cycle has been completed. The MCP73861/2 flash the output, while the MCP73863/4 turn the output off. Refer to Section 5.2.1 "Charge Status Outputs (STAT1,STAT2)".
The MCP7386X family of devices are fully specified over the ambient temperature range of -40°C to +85°C.
MCP73863 Maximum Ratings
VDDN ........................................................................................................................ 13.5V
VBATN, VSET, EN, STAT1, STAT2 w.r.t. VSS ................................................................. -0.3 to (VDD + 0.3)V
PROG, THREF, THERM, TIMER w.r.t. VSS .................................................................... -0.3 to 6V
Maximum Junction Temperature, TJ .......................................................................... Internally Limited
Storage temperature ............................................................................................... -65°C to +150°C
ESD protection on all pins:
Human Body Model (1.5 k in series with 100 pF)................................................. 4 kV
Machine Model (200 pF, No series resistance) ...................................................... 300V
† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
VBATN, VSET, EN, STAT1, STAT2 w.r.t. VSS ................................................................. -0.3 to (VDD + 0.3)V
PROG, THREF, THERM, TIMER w.r.t. VSS .................................................................... -0.3 to 6V
Maximum Junction Temperature, TJ .......................................................................... Internally Limited
Storage temperature ............................................................................................... -65°C to +150°C
ESD protection on all pins:
Human Body Model (1.5 k in series with 100 pF)................................................. 4 kV
Machine Model (200 pF, No series resistance) ...................................................... 300V
† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
MCP73863 Features
• Linear Charge Management Controllers
- Integrated Pass Transistor
- Integrated Current Sense
- Reverse-Blocking Protection
• High-Accuracy Preset Voltage Regulation: + 0.5%
• Four Selectable Voltage Regulation Options:
- 4.1V, 4.2V MCP73861/3
- 8.2V, 8.4V MCP73862/4
• Programmable Charge Current: 1.2A Maximum
• Programmable Safety Charge Timers
• Preconditioning of Deeply Depleted Cells
• Automatic End-of-Charge Control
• Optional Continuous Cell Temperature Monitoring
• Charge Status Output for Direct LED Drive
• Fault Output for Direct LED Drive
• Automatic Power-Down
• Thermal Regulation
• Temperature Range: -40°C to +85°C
• Packaging: 16-Pin, 4 x 4 QFN 16-Pin SOIC
- Integrated Pass Transistor
- Integrated Current Sense
- Reverse-Blocking Protection
• High-Accuracy Preset Voltage Regulation: + 0.5%
• Four Selectable Voltage Regulation Options:
- 4.1V, 4.2V MCP73861/3
- 8.2V, 8.4V MCP73862/4
• Programmable Charge Current: 1.2A Maximum
• Programmable Safety Charge Timers
• Preconditioning of Deeply Depleted Cells
• Automatic End-of-Charge Control
• Optional Continuous Cell Temperature Monitoring
• Charge Status Output for Direct LED Drive
• Fault Output for Direct LED Drive
• Automatic Power-Down
• Thermal Regulation
• Temperature Range: -40°C to +85°C
• Packaging: 16-Pin, 4 x 4 QFN 16-Pin SOIC
MCP73863 Typical Application
• Lithium-Ion/Lithium-Polymer Battery Chargers
• Personal Data Assistants (PDAs)
• Cellular Telephones
• Hand-Held Instruments
• Cradle Chargers
• Digital Cameras
• MP3 Players
• Personal Data Assistants (PDAs)
• Cellular Telephones
• Hand-Held Instruments
• Cradle Chargers
• Digital Cameras
• MP3 Players
MCP73863 Connection Diagram
MCP73863
PDF/DataSheet Download
- Datasheet: MCP73863
- File Size: 340415 KB
- Manufacturer: MICROCHIP
- Click here to Download
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MCP73863 Relative Products
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