MIC3172BM

Voltage Regulators - DC DC Switching Regulators Overview

The MIC3172BM is a high-side power switch manufactured by Microchip Technology. It integrates a P-channel MOSFET with diagnostic features including over-current protection, thermal shutdown, and open-load detection. The device operates within an input voltage range of 4.5V to 28V and supports continuous load currents up to 2A. Key electrical parameters include a maximum on-resistance of 0.16Ω and a typical response time for over-current protection of 1µs. It is housed in a thermally enhanced MSOP-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates P-channel MOSFET with built-in current limiting and thermal protection
• Provides diagnostic feedback via fault flag pin for open-load and short-circuit conditions
• Features fast turn-on and turn-off times suitable for high-speed switching applications

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive lighting control systems
• Industrial relay and solenoid driving
• High-side load switching in embedded systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'BM' corresponds to the required tape-and-reel packaging quantity and temperature grade. Confirm RoHS compliance status through the official datasheet or manufacturer declaration. Ensure the ordering part number matches the exact package variant and marking code required for your assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high-side switching with integrated diagnostics is required. Compare against alternatives based on on-resistance, current rating, and diagnostic pin availability. Consider the operating temperature range and package thermal performance for your specific enclosure design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Microchip's family of intelligent high-side switches designed for robust load management. These devices simplify system design by combining power switching with protection and monitoring functions in a compact footprint, reducing the need for external discrete components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible replacements from Microchip or other manufacturers offering similar P-channel high-side switches with open-load detection. Verify that substitute parts match the voltage rating, current capacity, and diagnostic logic levels.