MIC2026A-1YM-TR

Overview

The MIC2026A-1YM-TR is a dual-channel high-side N-channel MOSFET power distribution switch manufactured by Microchip Technology. It operates within a load voltage range of 2.7V to 5.5V and supports a maximum output current of 1.25A per channel. The device features a typical on-resistance of 100 milliohms and utilizes an 8-SOIC package with dimensions of 3.90mm width. It includes fixed current limiting, thermal shutdown, and under-voltage lockout (UVLO) for circuit protection. The component functions with a non-inverting open/switch interface and provides a fault status flag. It is rated for operation between -40°C and 85°C ambient temperature.

Feature Summary

• Integrated fixed current limiting and thermal shutdown mechanisms protect both the device and connected loads from overcurrent and overheating conditions.
• Soft-start circuitry minimizes inrush current when powering highly capacitive loads, ensuring stable system startup.
• Built-in fault status flag asserts during overcurrent or thermal shutdown events, allowing the host system to monitor switch health.
• Internal transient filtering prevents false triggering of protection circuits due to short-duration electrical noise.

Applications

• USB port power distribution and protection
• General-purpose power distribution requiring circuit protection
• Bus-powered peripheral devices

Procurement Notes

Verify the specific suffix 'A' in the part number MIC2026A-1YM-TR against the manufacturer's latest datasheet revision history. Confirm that the requested unit matches the exact pinout and electrical characteristics defined for the A-series variant. Ensure the packaging type corresponds to the required reel specifications for automated assembly processes. Cross-reference the RoHS compliance status with current environmental regulations applicable to the target market.

Selection Notes

Select this component when a dual-channel high-side switch with integrated protection is required for low-voltage applications up to 5.5V. The non-inverting control interface simplifies logic integration compared to inverting variants. Consider the 100 milliohm on-resistance for efficiency calculations in continuous load scenarios. Evaluate the thermal performance requirements against the specified junction-to-ambient characteristics for the SOIC-8 package.

Part Context

This part belongs to the MIC2026 family of power switches designed for general-purpose distribution. It shares architectural similarities with the MIC2076 series but lacks the smart shutdown latch feature found in the latter. The device is optimized for USB applications where compact size and built-in protection are critical. It serves as a direct replacement for legacy discrete MOSFET solutions in space-constrained designs.

Replacement Considerations

MIC2026-1YM-TR is a functional equivalent within the same product family, sharing identical pinout and core electrical parameters. Verify compatibility if substituting with MIC2026A-2YM-TR, noting the difference in control input polarity. Ensure any alternative dual-channel switch meets the 2.7V to 5.5V operating voltage range and 1.25A current rating.