MCZ33290EFR2

Specialized Overview

The MCZ33290EFR2 is a serial link bus interface device designed for bi-directional half-duplex communication in automotive diagnostic applications. It interfaces between an on-board microcontroller and off-board systems via the ISO K line, complying with the ISO9141 specification. The device operates over a wide supply voltage range of 8.0 V to 18 V and supports an ambient temperature range from -40°C to 125°C. Packaged in an 8-pin SOIC (0.154 inch width), it utilizes a SMARTMOS process integrating CMOS logic, bipolar/MOS analog circuitry, and DMOS power FETs.

Specialized Feature Summary

• Interfaces directly to standard CMOS microprocessors
• ISO K Line pin protected against shorts to ground
• Thermal shutdown with hysteresis
• Standby mode with no V Bat current drain at VDD of 5.0 V

Specialized Applications

• Automotive diagnostic applications compliant with ISO9141 specifications
• On-board microcontroller interfacing via special ISO K line
• Serial communication applications requiring robust temperature and voltage extremes handling

Specialized Procurement Notes

Verify component authenticity through authorized NXP distributors or official channels. Confirm RoHS compliance status and package suffix accuracy. Check datasheet revisions for any updates to electrical characteristics or ordering information. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly.

Specialized Selection Notes

Select this component for designs requiring ISO9141 physical layer compliance. Ensure the system architecture supports half-duplex communication protocols. Verify that the microcontroller logic levels are compatible with the 5.0 V VDD requirement. Consider external components for reverse battery protection and transient suppression as recommended in the application diagram.

Specialized Part Context

This part belongs to the MCZ33 series of specialized interface ICs manufactured by NXP USA Inc. It is specifically engineered for automotive environments, providing robust signal translation between low-voltage microcontrollers and high-voltage vehicle bus lines. The EF suffix indicates lead-free packaging compliant with environmental directives.

Specialized Replacement Considerations

MCZ33290EF is listed as an alternative packaging type.