MIC2076-1BM

Overview

The MIC2076-1BM is a dual-channel high-side power distribution switch optimized for general-purpose circuit protection. It features an internal current limit of 900 mA and a maximum on-resistance of 140 mΩ. The device operates within a supply voltage range of 2.7 V to 5.5 V and supports output currents up to 500 mA per channel. It includes soft-start circuitry with a maximum turn-on time of 5 ms and an idle time of 100 μs. The component functions reliably across a temperature range from -40°C to +85°C.

Feature Summary

• Incorporates slew rate-controlled turn-on to mitigate inrush current when driving capacitive loads
• Provides smart shutdown functionality that reduces current consumption during fault modes
• Features internally filtered transient faults and a fault status output flag for overcurrent or thermal conditions

Applications

• USB port power distribution and protection
• General-purpose power distribution requiring circuit protection
• Applications involving highly capacitive loads such as bulk decoupling

Procurement Notes

Verify the specific suffix (e.g., TR) against the datasheet to confirm packaging type, as standard designations may vary between tape-and-reel and tube formats. Ensure the operating voltage and current requirements align with the 2.7V–5.5V range and 500mA output capability. Confirm the SOIC-8 package dimensions match the PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component for applications requiring dual-channel high-side switching with integrated thermal shutdown and current limiting. The MIC2076-1BM is suitable where soft-start capabilities are necessary to protect sensitive downstream components from inrush currents. Consider the 140 mΩ on-resistance for efficiency calculations and ensure the 900 mA current limit matches the load protection thresholds required by the system design.

Part Context

The MIC2076-1BM belongs to the MIC2026A/MIC2076A family of dual-channel power distribution switches manufactured by Microchip Technology. This series is designed for robust circuit protection in low-voltage applications. The device integrates N-channel MOSFETs with control logic to provide comprehensive protection against short circuits and overloads while maintaining a compact form factor in an 8-pin SOIC package.

Replacement Considerations

The MIC2026A is a related device within the same family offering similar high-side switching capabilities but without the 'smart' shutdown feature found in the MIC2076A series. Verify if the absence of smart shutdown impacts system power management requirements when considering cross-model substitution.