MCZ33880EG

Overview

The MCZ33880EG is a power switch and driver manufactured by NXP USA Inc., designed for high-density load distribution. It features an N-channel output configuration with eight independent channels, providing a maximum output current of 800mA per channel. The device operates within a load voltage range of 5.5V to 24.5V and requires a supply voltage (Vcc/Vdd) between 4.75V and 5.25V. It utilizes a serial peripheral interface (SPI) for control, diagnostics, and configuration. The component is housed in a 32-SOIC surface-mount package and supports a typical on-resistance of 550 milliohms. It includes integrated fault protection mechanisms such as fixed current limiting, open-load detection, and overvoltage protection, ensuring robust operation across a junction temperature range of -40°C to 150°C.

Feature Summary

• Integrates eight N-channel power switches with SPI-based digital control and diagnostic reporting capabilities.
• Provides comprehensive fault protection including fixed current limiting, open-load detection, and overvoltage monitoring.
• Supports flexible output configurations suitable for both high-side and low-side switching applications.

Applications

• Industrial load distribution systems requiring multiple switched outputs
• Automotive electronic control units for actuator and sensor power management
• General-purpose power switching modules in embedded systems

Procurement Notes

Verify the specific suffix 'EG' against official NXP documentation to confirm exact thermal and mechanical specifications. Confirm availability status as this product line may be discontinued or superseded by newer revisions. Ensure compatibility with existing PCB footprints and SPI signal levels before integration. Consult authorized distributors for lead times and alternative sourcing options if direct procurement from NXP is unavailable.

Selection Notes

Select this component when designing systems requiring eight independently controllable N-channel outputs with integrated protection. Consider the 32-SOIC package constraints and thermal dissipation requirements for the 800mA per channel rating. Evaluate the SPI interface speed and diagnostic feedback needs against system latency requirements. Compare against similar devices if higher current capacity or different packaging formats are necessary for the specific application environment.

Part Context

The MCZ33880 series belongs to NXP's portfolio of intelligent power switches designed for automotive and industrial environments. These devices consolidate multiple power channels into a single package to reduce board space and simplify wiring. The MCZ33880 specifically targets applications needing reliable load switching with advanced diagnostic features accessible via standard communication interfaces, supporting functional safety and system integrity in critical control architectures.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Check NXP official resources for obsolescence notices or recommended upgrades within the MCZ3388x family.

FAQ

What is the maximum output current per channel for the MCZ33880EG?

The maximum output current per channel is 800mA.

Does the MCZ33880EG support open-load detection?

Yes, the device includes integrated open-load detection as part of its fault protection features.