MIC2549A-1YM

Power Distribution Switches, Load Drivers Overview

The MIC2549A-1YM is a single-channel high-side power switch IC manufactured by Microchip Technology. It features a programmable current limit ranging from 500 mA to 3 A, with a maximum on-resistance of 50 mΩ and a typical value of 35 mΩ. The device supports load voltages between 2.7 V and 5.5 V. Key protection mechanisms include over-current limiting and an over-temperature latch function. Operational timing includes a maximum turn-on time of 5 ms and a maximum off-time of 25 us. It operates within a temperature range of -40°C to +85°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates programmable current limiting for precise load protection
• Includes over-temperature latch functionality for thermal safety
• Features low on-resistance for efficient power distribution

Power Distribution Switches, Load Drivers Applications

• High-side power switching in embedded systems
• Load distribution in industrial control units
• Protection circuits for peripheral devices

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the procurement channel provides valid traceability for the component's manufacturing origin. Ensure compatibility with standard SOIC-8 surface mount assembly processes during integration planning.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a single-channel high-side switch with adjustable current limits is required. The programmable feature allows customization of protection thresholds between 500 mA and 3 A. Consider the over-temperature latch behavior for applications requiring strict thermal cutoffs rather than auto-recovery. Evaluate the 50 mΩ on-resistance impact on system power efficiency.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the MIC254x series of power switches from Microchip Technology. It is designed for robust load management in low-voltage applications. The series typically offers various channel counts and protection features. The MIC2549A-1YM specifically addresses needs for single-channel control with advanced thermal and current protection capabilities.

Power Distribution Switches, Load Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Microchip cross-reference tools or authorized distributor databases for verified alternatives.