MIC502BN

Overview

The MIC502BN is a thermal and fan management integrated circuit designed for NLX/ATX power supplies. It functions as a high-side MOSFET driver with an integrated charge pump and overcurrent limit protection. The device operates within a voltage range of 4V to 13.2V, supporting brushless DC (BLDC) motor control applications. Packaged in an 8-pin PDIP format, it provides speed controller functionality for cooling systems.

Feature Summary

• Integrated high-side MOSFET driver with charge pump
• Built-in overcurrent limit protection
• Thermal and fan management capabilities

Applications

• NLX power supply fan control
• ATX power supply thermal management
• Brushless DC motor speed control

Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors or certified partners. Confirm the specific package type matches system requirements. Check for end-of-life status or obsolescence notices prior to procurement. Ensure compatibility with existing PCB footprints and voltage levels.

Selection Notes

Select this component for applications requiring dedicated fan management in standard PC power architectures. Consider the operating voltage range and current handling capabilities relative to the target BLDC motor specifications. Evaluate the need for integrated overcurrent protection features during system design.

Part Context

This part belongs to the MIC502 series of fan management ICs manufactured by Microchip Technology. It is specifically engineered to handle thermal regulation tasks in computing hardware power supplies. The series supports standard form factors like ATX and NLX.

Replacement Considerations

Consult official Microchip Technology documentation for verified substitute part numbers. Cross-reference pinouts and electrical characteristics before considering alternative components.