MCP73833T-AMI/UN

Overview

The MCP73833T-AMI/UN is a single-cell lithium-ion and lithium-polymer battery charge management controller manufactured by Microchip Technology. It operates within a supply voltage range of 3.75 V to 6 V and delivers a regulated output voltage of 4.2 V with an output current capability of 1.2 A. The device is housed in a surface-mount 10-MSOP package, designed for efficient thermal performance and compact board space utilization. It supports programmable charging currents and includes integrated safety features such as over-temperature protection. The component functions across an extended industrial temperature range from -40°C to +85°C, ensuring reliable operation in diverse environmental conditions.

Feature Summary

• Integrates complete charge management control for single-cell lithium-ion and lithium-polymer batteries
• Provides automatic termination of the constant-current/constant-voltage charging cycle
• Includes internal power path management for system load prioritization during input power presence

Applications

• Portable electronic devices requiring single-cell battery charging
• Consumer electronics utilizing lithium-ion or lithium-polymer power sources
• Industrial equipment operating within extended temperature ranges

Procurement Notes

Verify that the specific suffix AMI/UN corresponds to the 10-MSOP package configuration and tape-and-reel delivery format. Confirm compatibility with the target application's voltage requirements and thermal constraints before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring a dedicated charge controller for single-cell Li-ion or Li-Po batteries. Ensure the design accommodates the 10-MSOP footprint and meets the input voltage specifications between 3.75 V and 6 V for proper functionality.

Part Context

This part belongs to the MCP7383x family of charge management controllers, which are designed for high-efficiency battery charging applications. The T suffix indicates tape-and-reel packaging, while AMI/UN specifies the MSOP package variant. This series supports various packaging options to suit different manufacturing needs.

Replacement Considerations

MCP73833T-AMI/MF (DFN-10 package)

FAQ

What battery chemistries does the MCP73833T-AMI/UN support?

It supports single-cell Lithium-ion and Lithium Polymer batteries.

Does the device include over-temperature protection?

Yes, it integrates over-temperature protection to ensure safe operation under varying thermal conditions.