VN31SP13TR

Power Distribution Switches, Load Drivers Overview

The VN31SP13TR is an isolated high-side smart power solid-state relay manufactured by STMicroelectronics. It integrates a MOSFET switch with gate drive and protection circuitry in a single package. The device supports a continuous load current of 31 A and features a maximum on-resistance of 20 mΩ. It operates within a supply voltage range of 5.5 V to 36 V and withstands temperatures from -40 °C to +150 °C. Packaged in a PowerSO-10 surface-mount format, it provides galvanic isolation for high-side switching applications.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates isolated high-side switching capability with built-in protection mechanisms
• Provides galvanic isolation between control logic and high-voltage load side
• Designed for robust operation in automotive and industrial environments

Power Distribution Switches, Load Drivers Applications

• Automotive lighting systems
• Industrial motor control interfaces
• High-side load switching in distributed power architectures

Power Distribution Switches, Load Drivers Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors or certified partners. Confirm the specific suffix '13TR' indicates tape-and-reel packaging if required for automated assembly. Check current lifecycle status as availability may be limited due to end-of-life considerations. Ensure compatibility with existing PCB footprints and thermal management solutions before finalizing procurement plans.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when isolated high-side switching is required for loads up to 31 A. Consider the 20 mΩ on-resistance for power dissipation calculations. Verify that the operating voltage range of 5.5 V to 36 V matches the system supply. Evaluate the PowerSO-10 package for thermal performance and space constraints relative to alternative discrete solutions or other integrated relays.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the VN31 series of isolated high-side smart power relays from STMicroelectronics. These devices are engineered to replace traditional electromechanical relays in applications requiring compact size, long life, and fast switching. The series typically includes variants with different current ratings and packaging options to suit diverse design requirements.

Power Distribution Switches, Load Drivers Replacement Considerations

Check for direct pin-compatible substitutes within the VN series, such as VN31SP without the reel suffix if loose parts are needed. Consult STMicroelectronics documentation for any newer generations or updated versions that offer improved thermal characteristics or extended availability.