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MCP73837-FCI/MF
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Product Detailed Parameters
- Description：IC BATT CHG LI-ION 1CELL 10DFN
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Battery Chemistry：Lithium Ion/Polymer
- Voltage - Supply (Max)：6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Number of Cells：1
- Current - Charging：Constant - Programmable
- Programmable Features：-
- Fault Protection：Over Voltage
- Charge Current - Max：1.1A
- Battery Pack Voltage：4.2V
- Interface：USB
- Grade：-
- Qualification：-
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Overview
The MCP73837-FCI/MF is a single-cell lithium-ion and lithium-polymer charge management controller manufactured by Microchip Technology. It features automatic input selection between USB and AC adapter power sources, supporting up to 1A from AC and 500mA from USB. The device operates within a supply voltage range of 3.75V to 6V and provides a regulated output of 4.2V at 1.2A. It is housed in a 10-pin MSOP package with an operating temperature range of -40°C to +85°C.
Feature Summary
- Automatic switching between USB and AC adapter inputs for seamless power source selection
- Integrated safety functions designed to ensure reliable charging operations
- Compact surface-mount packaging suitable for space-constrained portable designs
Applications
- Portable electronic devices requiring single-cell battery charging
- USB-powered consumer electronics
- AC adapter powered mobile gadgets
Procurement Notes
Verify the specific suffix 'MF' against official Microchip documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint and reflow profile requirements. Cross-reference the datasheet for humidity sensitivity handling instructions prior to assembly.
Selection Notes
Select this component when dual-input flexibility is required for single-cell Li-ion or Li-Po batteries. It is suitable for applications needing automatic source prioritization without external control logic. Consider thermal performance and board layout constraints associated with the MSOP package during design integration.
Part Context
This part belongs to the MCP7383x series of charge management controllers. It shares functional similarities with other models in the family but differs in package options and specific pin configurations. The series is designed for high-current charging applications in portable devices.
Replacement Considerations
Check for direct substitutes like MCP73838 variants if package availability is an issue. Verify electrical parameters and pinout compatibility before substitution. Consult Microchip's official replacement guide for qualified alternatives.
