NXP Semiconductors MCZ33880EWR2

Overview

MCZ33880EWR2 from NXP Semiconductors (formerly Freescale) is a configurable octal high-side/low-side power switch IC with 8-bit SPI control and dual PWM-capable direct inputs (IN5, IN6). It delivers R_DS(ON) ≤ 0.55 Ω at 25°C, supports VPWR = 5.5–24.5 V, provides ±45 V / −20 V output clamping, and drives incandescent or inductive loads up to 2.0 A per channel in automotive body electronics.

For engineers reviewing the MCZ33880EWR2 datasheet, MCZ33880EWR2 pinout, MCZ33880EWR2 application, or MCZ33880EWR2 equivalent, this page delivers verified electrical specs, thermal ground pin mapping for SOICW-32, fault reporting behavior via DO, and real-world implementation guidance for daisy-chained load switching in 12 V/24 V vehicle systems.

Technical Context

The MCZ33880EWR2 integrates SMARTMOS™ 5 mixed-signal technology-CMOS logic, bipolar/MOS analog circuitry, and independent double-diffused DMOS power transistors-to enable hardware-configurable high-side or low-side operation per channel. Its SPI interface operates up to 6 MHz with 3.3/5.0 V logic compatibility and supports cascaded fault reporting across multiple devices.

Each of the eight outputs features independent overtemperature shutdown (T_LIM = 155–185°C), open-load detection (I_OCO = 0.3–1.0 mA), short-circuit current limiting (0.8–2.0 A), and bidirectional transient clamping: +45 V (low-side) and −20 V (high-side), with internal reverse-battery protection on VPWR.

Key Specifications

Pinout & Package

MCZ33880EWR2 uses a 32-pin SOICW package (Case 1324-02) with four dedicated thermal ground pins (TGND) at positions 8, 9, 24, and 25. These pins are internally bonded to the die substrate and require low-impedance connection to the PCB ground plane for effective heat dissipation and stable operation above 125°C case temperature.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal high-side/low-side switch applications.

Compared with TPIC2810PWP and STSPIN840TR, MCZ33880EWR2 uniquely combines hardware-configurable topology, dual PWM direct inputs, thermal-ground-optimized SOICW packaging, and true cascaded fault reporting-making it the only option supporting robust, low-software-overhead lamp/valve control in automotive-grade environments.

Availability

MCZ33880EWR2 is available at Aetrix Electronics and suitable for automotive lighting control, body control modules, and industrial actuator drive applications requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.

Supply support for MCZ33880EWR2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in automotive power management from its Freescale acquisition.

The MCZ33880EWR2 belongs to NXP's SMARTMOS™ automotive power switch family, designed specifically for robust, fault-resilient control of resistive and inductive loads in harsh 12 V/24 V vehicle electrical systems.

FAQ

What is the maximum operating voltage for MCZ33880EWR2 on the VPWR pin?

The MCZ33880EWR2 supports VPWR from 5.5 V to 24.5 V under normal operation, with absolute maximum rating of −16 V to +50 V. This range accommodates automotive cold-crank (as low as 6 V) and load-dump (up to 24.5 V) events without damage or functional interruption, making MCZ33880EWR2 suitable for direct battery connection in body electronics modules.

How does the MCZ33880EWR2 handle fault reporting across multiple devices?

The MCZ33880EWR2 supports cascaded fault reporting via its DO pin: when multiple MCZ33880EWR2 devices are daisy-chained, the DO output of each device feeds into the DI input of the next. A single MCU SPI transaction reads fault status from all devices sequentially, eliminating the need for individual CS lines and reducing GPIO usage-critical for scalable lighting control systems.

Can MCZ33880EWR2 drive both high-side and low-side loads simultaneously?

Yes-MCZ33880EWR2 allows per-channel hardware configuration as either high-side or low-side switch. For example, Outputs 1–4 can be wired as high-side (Sx → load, Dx → battery) while Outputs 5–8 operate as low-side (Sx → GND, Dx → load), enabling mixed topology control within a single IC for complex vehicle subsystems like front/rear lighting clusters.

What thermal design considerations apply to MCZ33880EWR2 in SOICW-32 package?

MCZ33880EWR2's SOICW-32 package includes four thermal ground pins (8, 9, 24, 25) that must be soldered to a large PCB ground plane to achieve R_θJL = 18°C/W. Without this, junction temperature rise exceeds safe limits under 2 A load; thermal vias under TGND pads and ≥2 oz copper are strongly recommended to maintain T_J < 150°C at 125°C ambient.

Does MCZ33880EWR2 support PWM dimming without SPI communication?

Yes-MCZ33880EWR2 provides two dedicated PWM-capable inputs: IN5 controls Output 5 and IN6 controls Output 6. These pins are OR-gated with their corresponding SPI bits, allowing direct microcontroller PWM signals (up to 2 kHz) to override SPI commands-enabling lamp dimming or motor speed control without interrupting the main SPI bus or adding software latency.