MC08XS6421CEK

Overview

The MC08XS6421CEK is a high-side power switch IC designed for automotive and industrial power distribution applications. It features dual channels with distinct on-resistance characteristics: two channels rated at 8 mOhms and two channels rated at 21 mOhms. The device operates within a 12V system architecture and supports a maximum output current of 5.5A per low-resistance channel and 11A per high-resistance channel. It utilizes CMOS input logic and is housed in an SOICEP 32 package. The component includes integrated fault protection mechanisms such as fixed current limiting, open load detection, and over-temperature shutdown.

Feature Summary

• Dual-channel configuration providing flexible power distribution options with varying resistance levels
• Integrated fault protection including fixed current limiting and open load detection capabilities
• CMOS-compatible input interface for straightforward control integration

Applications

• Automotive power distribution systems
• Industrial embedded power management
• High-side switching for peripheral loads

Procurement Notes

Verify the specific suffix CEK to confirm the package type and tape-and-reel or tube packaging details. Confirm AEC-Q100 qualification status if automotive reliability is required. Check for obsolescence notices as some variants in this series are marked obsolete. Ensure compatibility with existing PCB footprints for the SOICEP 32 package before procurement.

Selection Notes

Select this component when dual-channel high-side switching with asymmetric resistance requirements is needed. The 8 mOhm channels suit higher current loads up to 5.5A, while the 21 mOhm channels handle lower currents up to 11A. Consider the SOICEP 32 package size for space-constrained designs. Verify thermal performance under expected load conditions due to the inherent on-resistance.

Part Context

This part belongs to the MC08XS6421 series of high-side switches from NXP Semiconductors. It is related to evaluation kits like KIT08XS6421EKEVB used for testing the core functionality. Other variants in the family include BEK and DEK packages. The series targets robust power management in harsh environments typical of automotive and industrial sectors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate pin-to-pin compatible alternatives from NXP or other manufacturers only after verifying electrical parameters and package dimensions.