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MCP73841-420I/UN
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Product Detailed Parameters
- Description：IC BATT CNTRL LI-ION 1CEL 10MSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Battery Chemistry：Lithium Ion/Polymer
- Voltage - Supply (Max)：12V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Number of Cells：1
- Current - Charging：-
- Programmable Features：Timer
- Fault Protection：Over Temperature
- Charge Current - Max：-
- Battery Pack Voltage：4.2V
- Interface：-
- Grade：-
- Qualification：-
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Overview
The MCP73841-420I/UN is a single-cell lithium-ion or lithium-polymer battery charge management controller manufactured by Microchip Technology. It operates within an input voltage range of 4.5 V to 12 V and provides a regulated output voltage of 4.2 V with a maximum output current of 10 mA. The device is housed in a 10-pin MSOP package and supports surface mount installation. It functions across an industrial temperature range from -40°C to +85°C, ensuring reliable performance in portable applications requiring precise charge control.
Feature Summary
- Integrates charge safety and thermal monitoring capabilities for enhanced protection
- Supports both single and dual cell lithium-ion/polymer battery configurations
- Features adjustable charging thresholds for customized power management
Applications
- Portable electronic devices requiring single-cell battery charging
- Industrial equipment utilizing lithium-ion power sources
- Consumer electronics with strict thermal safety requirements
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm pinout and functional variations. Ensure compatibility with your system's input voltage and thermal constraints before integration. Cross-reference datasheet revisions to validate parameter accuracy for your design implementation.
Selection Notes
Select this component when designing systems that require integrated charge safety and thermal monitoring features. It is suitable for applications needing a compact solution for single-cell lithium batteries with moderate current requirements. Verify package availability and lead times through authorized distributors to align with production schedules.
Part Context
This part belongs to the MCP7384x family of charge management controllers designed for portable applications. It complements other variants like the MCP73842 and MCP73843, offering specific output voltage and current characteristics tailored for different battery chemistries and system power needs within the Microchip portfolio.
Replacement Considerations
Direct substitutes include MCP73841-410I/UN and MCP73842-420I/UN. Verify pin compatibility and electrical specifications against the original datasheet before substitution to ensure functional equivalence in the target application.
