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MCP73838T-FJI/MF
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Product Detailed Parameters
- Description：IC BATT CHG LI-ION 1CELL 10DFN
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 MCP73838T-FJI/MF is a single-cell lithium-ion and lithium-polymer battery charge management controller manufactured by Microchip Technology. It supports an input voltage range of 3.75 V to 6 V and delivers a maximum output current of 1200 mA. The device offers configurable output voltages including 4.2 V, 4.35 V, 4.4 V, and 4.5 V. It operates within a temperature range of -40°C to +85°C and utilizes a DFN-10 surface-mount package.
Feature Summary
- Integrates USB or DC input auto-switching for seamless power source selection
- Provides complete charge control with automatic termination for lithium-based cells
- Includes thermal regulation to reduce charging rate during high temperature conditions
Applications
- Portable consumer electronics powered by single-cell lithium batteries
- USB-powered devices requiring integrated charge management
- Industrial handheld equipment operating in extended temperature ranges
Procurement Notes
Verify the specific suffix configuration against the official datasheet to ensure correct output voltage and package type. Confirm that the DFN-10 footprint matches your PCB design requirements. Check RoHS compliance status directly from the manufacturer documentation before finalizing procurement specifications.
Selection Notes
Select this component when a compact solution for single-cell Li-Ion or Li-Polymer charging is required. Ensure the system input voltage remains within the 3.75 V to 6 V operational window. Consider the DFN-10 package constraints for thermal dissipation and board space availability compared to alternative packages like MSOP.
Part Context
This part belongs to the MCP7383x family of charge management controllers designed for portable applications. It shares functional similarities with other variants in the series but differs in packaging and specific electrical configurations. The FJI/MF designation indicates a specific combination of output voltage options and the DFN-10 surface mount package format.
Replacement Considerations
Direct substitutes include MCP73838T-FJI/UN and MCP73838T-FJI-MF. Verify pin compatibility and package dimensions before substitution. Cross-reference output voltage settings to ensure they match the target battery chemistry requirements.
