MIC502YM

Overview

The MIC502YM is a thermal and fan management integrated circuit designed for NLX/ATX power supplies. It operates within a supply voltage range of 4V to 13.2V DC. The device supports PWM fan speed control with frequencies between 15Hz and 90Hz. It features a low operating supply current of 1.5mA. The component is housed in an 8-pin SOIC package.

Feature Summary

• Supports thermal and fan management functions for ATX/NLX power supplies
• Enables PWM-based fan speed control
• Designed for low-power operation

Applications

• NLX power supply systems
• ATX power supply systems
• General thermal management control applications

Procurement Notes

Verify the specific suffix 'YM' corresponds to the 8-SOIC package variant. Confirm the manufacturer designation as Microchip Technology, noting historical Micrel Semiconductor origins. Ensure the part number matches the required operational voltage and frequency specifications for your design.

Selection Notes

Select this component when designing systems requiring dedicated fan speed regulation via PWM signals. It is suitable for applications needing low quiescent current and compatibility with standard PC power supply architectures. Verify package availability and temperature range requirements against the -40°C to +85°C specification.

Part Context

This IC belongs to the family of motor and fan controllers manufactured by Microchip Technology. It serves as a specialized driver for managing cooling fans in computer hardware. The device integrates control logic to regulate fan rotation based on thermal inputs or system commands.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.