VN771K13TR

Overview

The VN771K13TR is a high-side driver IC from STMicroelectronics, part of the VIPower family. It integrates two independent half-bridge outputs capable of sourcing up to 9A per channel. The device operates with an input supply voltage range extending up to 40V and features robust protection mechanisms including overcurrent, thermal shutdown, and reverse polarity protection. Packaged in a 28-pin SO (SuperSOT-3) surface-mount case, it is designed for automotive applications requiring reliable power switching.

Feature Summary

• Integrates dual high-side half-bridge drivers within a single monolithic structure
• Provides advanced diagnostic capabilities through dedicated feedback pins
• Features built-in protection against short circuits, overloads, and overheating
• Supports direct interface with standard microcontroller logic levels

Applications

• Automotive lighting systems such as headlamps and interior illumination
• Relay driving circuits in vehicle body electronics
• General purpose load switching in automotive control units
• Motor control interfaces for low-power actuators

Procurement Notes

Verify the exact suffix K13TR against official STMicroelectronics documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the component meets current automotive qualification standards required for your specific application environment. Check for any lifecycle status changes or obsolescence notices directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when dual high-side switching with high current capability is required in space-constrained automotive designs. Ensure the thermal management solution supports the 9A output rating under expected duty cycles. Verify that the control logic voltage levels are compatible with the driver inputs without additional level shifting circuitry.

Part Context

This device belongs to STMicroelectronics' VIPower II series, which focuses on integrated smart power solutions for automotive markets. The VN771 specifically addresses needs for compact, reliable high-side switching in environments subject to electrical noise and transient voltages common in vehicle networks.

Replacement Considerations

Direct substitutes may include other VIPower II series devices with similar pinout and current ratings. Verify compatibility by comparing pin definitions, thermal characteristics, and protection thresholds. Cross-reference with STMicroelectronics replacement guides for updated component recommendations.