MC40XS6500DEKR2

Overview

The MC40XS6500DEKR2 is a high-side power switch IC from the NXP 12XS6 series, designed for automotive lighting distribution. It features six independent outputs with a maximum on-resistance of 40 mΩ. The device operates within a load voltage range of 7 V to 18 V and a supply voltage of 4.5 V to 5.5 V. Each output supports a maximum current of 3.9 A. It utilizes PWM and SPI interfaces for control and diagnosis. The component is housed in an SOIC-EP-32 package and functions reliably across a temperature range of -40°C to +125°C.

Feature Summary

• Six-channel high-side switching capability with integrated diagnostics for automotive lighting applications
• Supports PWM and SPI communication interfaces for precise control and status monitoring
• Low on-resistance design ensures efficient power distribution with minimal thermal impact
• Integrated slew rate control and internal PWM generation for optimized light dimming performance

Applications

• Automotive exterior lighting systems including headlights and taillights
• Interior vehicle illumination and ambient lighting circuits
• LED-based lighting driver modules requiring diagnostic feedback
• Power distribution units for multi-channel automotive loads

Procurement Notes

Verify the specific suffix DEKR2 to confirm reel packaging and tape specifications. Ensure compatibility with existing PCB footprints for the SOIC-EP-32 package. Check for end-of-life status as indicated by manufacturer notices regarding obsolescence. Confirm that the 40 mΩ on-resistance meets thermal requirements for the intended load current. Validate SPI interface pinout against the official datasheet before integration.

Selection Notes

Select this component when six isolated high-side switches are required for automotive lighting. The 40 mΩ resistance offers a balance between cost and efficiency compared to lower resistance alternatives. Ensure the system voltage remains within the 7 V to 18 V load range. The SPI interface allows for detailed fault reporting, which is critical for safety-critical lighting applications. Consider the operating temperature range if deployed in high-heat environments near exhaust or engine components.

Part Context

This part belongs to the NXP 12XS6 family of fourth-generation eXtreme switches. These devices are engineered specifically for automotive lighting drivers to control and diagnose bulbs and LEDs. The family provides scalable solutions for various lighting configurations, integrating advanced protection features and diagnostic capabilities essential for modern vehicle electronics architectures.

Replacement Considerations

The MC40XS6500DEK is the tube-packaged equivalent of this reel-part number. Verify functional equivalence if substituting based on packaging preference only. No other cross-model replacements are confirmed in public documentation.