NCV8452STT1G

Overview

The NCV8452STT1G is a single-channel high-side power switch IC from onsemi, designed for automotive and industrial load distribution. It operates within a supply voltage range of 5V to 34V and supports a maximum output current of 500mA with a peak current limit of 1A. The device features a low on-state resistance of 400mOhms maximum and includes integrated protection against overcurrent, overtemperature, and overvoltage conditions. It utilizes an SOT-223-4 package and is qualified to AEC-Q100 standards, ensuring reliability in harsh environments with an operating temperature range of -40°C to +150°C.

Feature Summary

• Single-channel high-side driver architecture for efficient load switching
• Integrated thermal shutdown and fixed current limiting for circuit protection
• Automotive-grade qualification compliant with AEC-Q100 standards

Applications

• Automotive lighting systems
• Industrial motor control circuits
• General-purpose load distribution in vehicle ECUs

Procurement Notes

Verify the specific ordering suffix (e.g., STT1G vs STT3G) to ensure correct packaging configuration, as variations may exist between tape-and-reel and cut-tape formats. Confirm that the component meets the required AEC-Q100 grade for your specific application environment. Cross-reference the datasheet revision to ensure compatibility with your design specifications regarding pinout and electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when a robust, single-channel high-side switch is required for loads up to 500mA in automotive or industrial settings. Consider its 34V maximum rating and wide operating temperature range (-40°C to +150°C) for applications involving significant voltage transients or extreme thermal conditions. Ensure the SOT-223 package footprint aligns with your PCB layout constraints and thermal management requirements.

Part Context

The NCV8452 series belongs to onsemi's portfolio of self-protected high-side switches designed for power distribution. These devices integrate MOSFET drivers with comprehensive fault protection mechanisms. The NCV8452STT1G specifically targets applications requiring reliable switching of resistive and inductive loads, offering a compact solution compared to discrete MOSFET implementations while providing essential diagnostic and protection features out-of-the-box.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.