MC10XS4200BFKR2

Overview

The MC10XS4200BFKR2 is a dual high-side switch from NXP Semiconductors, utilizing SMARTMOS technology for robust power management. It features two fully protected channels with low on-resistance (<10 mΩ) capable of handling up to 8.5 A steady-state current per channel. The device integrates comprehensive diagnostic and control functions accessible via a 16-bit SPI interface. Designed for automotive and industrial environments, it supports individual channel control through internal or external clock signals, offering programmable slew rates for EMC optimization and dynamic overcurrent protection profiles.

Feature Summary

• Dual high-side switches with integrated SMARTMOS technology for reliable load control
• Comprehensive diagnostic capabilities including open-load detection and accurate temperature sensing
• Programmable PWM clock signals and output voltage slew rates for enhanced electromagnetic compatibility
• Dynamic overcurrent threshold profiling to manage inrush currents while maintaining load tracking

Applications

• Truck electrical systems
• Bus lighting and control networks
• Industrial solenoid and motor drivers

Procurement Notes

Verify the specific suffix BF KR2 against official NXP documentation to confirm tape-and-reel packaging and exact binning. Confirm end-of-life status and lead times through authorized distributors. Ensure environmental compliance data matches the required RoHS standards for your target market before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring independent control of two high-current loads with detailed feedback. The integrated SPI interface simplifies integration with microcontrollers compared to parallel interfaces. Consider the device's thermal performance and the need for programmable protection thresholds when sizing heat sinks and defining fault response logic in the system architecture.

Part Context

This part belongs to the MC10XS4200 family of dual high-side switches designed for demanding automotive and industrial applications. The family leverages SMARTMOS technology to provide high efficiency and robust protection features. These devices are engineered to replace discrete solutions, reducing board space and improving reliability in complex power distribution networks.

Replacement Considerations

Check for direct substitutes within the MC50XS4200 series if higher current capacity is required. Verify pinout compatibility and SPI protocol alignment when considering alternative NXP high-side switches. Ensure that any replacement maintains the same voltage rating and protective feature set for the specific application.

FAQ

How does the device handle inrush current without shutting down?

The device features a dynamic overcurrent threshold profile that allows it to withstand initial inrush currents while still accurately tracking the steady-state load current.

What interface is used for control and diagnostics?

Control, configuration, and diagnostics are performed through a 16-bit serial peripheral interface (SPI).