VNQ5050KTR-E

Power Distribution Switches, Load Drivers Overview

The VNQ5050KTR-E is a monolithic quad-channel high-side driver manufactured using STMicroelectronics VIPower M0-5 technology. It is designed for driving resistive or inductive loads with one side connected to ground in automotive applications. The device features an operating supply voltage range of 4.5 V to 36 V and delivers an output current of 2 A per channel. It operates within a temperature range of -40 °C to +150 °C and includes active VCC pin voltage clamp protection against low energy spikes. The component is AEC-Q100 qualified and housed in a surface-mount package.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates four independent high-side drivers with analog current sense capabilities for precise load monitoring.
• Provides comprehensive protection including thermal shutdown with automatic restart, overcurrent limitation, and reverse battery protection.
• Features diagnostic functions such as open-load detection in both on and off states, short-circuit to VCC detection, and proportional load current sensing.
• Ensures electromagnetic compatibility through optimized emission characteristics and low susceptibility, alongside 3.0V CMOS-compatible inputs.

Power Distribution Switches, Load Drivers Applications

• Driving automotive grounded resistive or inductive loads
• Automotive power distribution systems requiring high-side switching
• Applications necessitating analog current sensing and diagnostic feedback

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix 'KTR' corresponds to the required tape and reel packaging configuration for automated assembly lines. Confirm that the AEC-Q100 qualification grade meets the specific reliability requirements of the target automotive application. Ensure the PowerSSO-24 package dimensions align with the printed circuit board layout constraints. Validate that the input logic levels are compatible with the controlling microcontroller's output voltage standards.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a quad-channel solution with integrated analog current sensing is required for automotive environments. It is suitable for applications needing robust protection against transient voltages and thermal overload. Consider this part if the design demands low standby current and CMOS-compatible control interfaces. Evaluate the need for open-load diagnostics and short-circuit detection before choosing this driver over simpler switch alternatives.

Power Distribution Switches, Load Drivers Part Context

This device belongs to the VNQ5050K-E series of high-side drivers from STMicroelectronics. It utilizes the proprietary VIPower M0-5 technology, which integrates advanced power management and diagnostic features into a single monolithic chip. The series is specifically engineered for automotive applications, offering high reliability and compliance with strict automotive standards such as AEC-Q100.

Power Distribution Switches, Load Drivers Replacement Considerations

The VNQ5050AKTR-E is a documented substitute within the same family, featuring similar high-side driver capabilities. Verify pinout compatibility and electrical parameter alignment before substitution. Other members of the VNQ5050K-E series may offer variations in channel count or package type but share the underlying VIPower M0-5 technology.