MS2272

Overview

The STMPS2272 is an enhanced dual-channel power distribution switch designed for systems with heavy capacitive loads and short-circuit risks. It integrates two independent 100 mΩ high-side MOSFET switches within a single package, each controlled by a logic enable input. The device operates within a voltage range of 2.7 V to 5.5 V and supports continuous currents of up to 1000 mA per channel. Key protection features include thermal shutdown with automatic recovery, undervoltage lockout, reverse current protection, and fault blanking. It offers 8 kV ESD protection and maintains a maximum standby supply current of 13 μA across an ambient temperature range of -40°C to 85°C.

Feature Summary

• Dual-channel architecture with independent logic control for flexible power distribution management
• Integrated constant current limiting and thermal protection circuits prevent damage during overloads
• CMOS and TTL compatible inputs ensure seamless integration with standard digital logic interfaces

Applications

• Power distribution systems requiring multiple switches in a compact package
• Applications involving heavy capacitive loads and potential short-circuit conditions
• Automotive and industrial electronics requiring robust overcurrent and thermal protection

Procurement Notes

Verify the specific manufacturer source, as Microsemi's semiconductor assets were acquired by Microchip Technology. Confirm that the component designation aligns with the STMPS2272 product line documentation. Ensure compatibility with the intended operating voltage and current requirements before procurement.

Selection Notes

Select this component when dual-channel high-side switching with integrated protection is required. Verify that the load characteristics fall within the 1000 mA continuous current limit and that the system voltage remains between 2.7 V and 5.5 V. Consider the 100 mΩ on-resistance for power dissipation calculations under full load conditions.

Part Context

This component belongs to the STMPS22xx series of power distribution switches, which includes variants like the STMPS2242, STMPS2252, and STMPS2262. These devices share similar architectural features but may differ in specific current ratings or package configurations. The STMPS2272 specifically denotes the dual-channel variant optimized for general power distribution tasks.

Replacement Considerations

Direct replacements within the same family include the STMPS2242, STMPS2252, and STMPS2262. Verify pin compatibility and specific current rating differences before substitution. Cross-reference with Microchip Technology datasheets for updated part numbering and availability.