MIC2076A-1YM

Overview

The MIC2076A-1YM is a dual-channel high-side power distribution switch optimized for USB applications. It features an N-channel MOSFET configuration with a 1:2 input-to-output ratio, housed in an 8-pin SOIC package. The device supports a load voltage range of 2.7V to 5.5V and delivers a maximum output current of 1.25A per channel. Key electrical parameters include a typical on-resistance of 90 milliohms and a fixed current limit. It incorporates soft-start circuitry to minimize inrush currents and provides thermal shutdown protection with latched-off fault states.

Feature Summary

• Smart shutdown capability reduces current consumption during fault modes
• Internally filtered transient faults prevent false triggering
• Fault status flag asserts during overcurrent or thermal conditions
• Soft-start minimizes inrush current for highly capacitive loads

Applications

• USB port power distribution
• General-purpose circuit protection
• High-side switching for peripheral devices

Procurement Notes

Verify the specific suffix 'A' against the datasheet to confirm smart shutdown functionality versus the standard MIC2076 variant. Ensure the 8-SOIC package dimensions match the PCB footprint requirements. Confirm RoHS compliance status if required by assembly specifications. Cross-reference the manufacturer part number with Microchip Technology documentation to ensure accurate revision levels and pinout compatibility.

Selection Notes

Select this component when dual-channel high-side switching with integrated USB-specific protections is required. The MIC2076A-1YM is suitable for designs needing thermal shutdown with latch-off behavior and smart shutdown features. Consider the 1.25A current rating and 90mOhm on-resistance for power loss calculations. This device is appropriate for applications requiring fault status flags and controlled slew rates to manage capacitive loads effectively.

Part Context

The MIC2076A-1YM belongs to the MIC2026A/MIC2076A family of dual-channel power distribution switches manufactured by Microchip Technology (formerly Micrel). These devices are designed for general-purpose power distribution requiring circuit protection. The MIC2076A variant specifically adds smart shutdown features compared to the base model, making it distinct within the series for low-power fault mode management.

Replacement Considerations

MIC2026A-1YM

FAQ

How does the MIC2076A-1YM handle thermal shutdown?

When thermal shutdown occurs due to current limiting, the output is latched off until the switch is reset by removing the load, toggling the enable input, or cycling VIN.

What is the purpose of the smart shutdown feature?

Smart shutdown reduces current consumption in fault modes, providing energy efficiency benefits compared to standard switches that may draw higher quiescent current during faults.