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MCP73843T-420I/MS
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Product Detailed Parameters
- Description：IC BATT CONTRL LI-ION 1CEL 8MSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Battery Chemistry：Lithium Ion/Polymer
- Voltage - Supply (Max)：12V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- Number of Cells：1
- Current - Charging：-
- Programmable Features：Timer
- Fault Protection：-
- Charge Current - Max：-
- Battery Pack Voltage：4.2V
- Interface：-
- Grade：-
- Qualification：-
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Overview
The MCP73843T-420I/MS is a linear charge management controller designed for single-cell lithium-ion and lithium-polymer batteries. It provides a regulated output voltage of 4.2V with a maximum output current of 10mA. The device operates within a supply voltage range of 4.5V to 12V and features an operating temperature range from -40°C to +85°C. Packaged in an MSOP-8 surface-mount format, it integrates charge safety timer functionality.
Feature Summary
- Integrates a charge safety timer to prevent overcharging conditions
- Supports standard charging profiles for lithium-ion and lithium-polymer cells
Applications
- Single-cell battery protection circuits
- Low-power portable electronic devices
- Consumer electronics requiring compact battery management
Procurement Notes
Verify component authenticity through authorized Microchip Technology distributors or certified partners. Confirm the specific suffix matches the required package and temperature grade. Review official datasheets for latest revision status and compliance documentation prior to integration into production designs.
Selection Notes
Select this component for applications requiring integrated safety timer protection alongside low-current charging capabilities. Ensure the input power source remains within the specified 4.5V to 12V operational range. Consider the MSOP-8 package dimensions for PCB layout constraints and thermal management requirements during system design.
Part Context
This part belongs to the MCP73843 series of charge management controllers. It is specifically configured for a 4.2V output termination voltage. The 'T' suffix indicates tape and reel packaging, while 'I' denotes the industrial temperature range variant suitable for broader environmental operation compared to commercial grades.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and parameter alignment with alternative manufacturers before considering cross-brand substitution.
