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MCZ33879AEKR2
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:8 32SOIC
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Switch Type：General Purpose
- Number of Outputs：8
- Ratio - Input:Output：1:08
- Output Configuration：High Side or Low Side
- Output Type：N-Channel
- Interface：SPI
- Voltage - Load：5.5V ~ 27.5V
- Voltage - Supply (Vcc/Vdd)：3.1V ~ 5.5V
- Current - Output (Max)：600mA
- Rds On (Typ)：750mOhm
- Input Type：-
- Features：-
- Fault Protection：Current Limiting (Fixed), Open Load Detect, Over Voltage
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：32-SOIC-EP
- Package / Case：32-SSOP (0.295", 7.50mm Width) Exposed Pad
- Grade：-
- Qualification：-
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Overview
The MCZ33879AEKR2 is an NXP Semiconductors power switch and driver featuring eight N-channel outputs in a 32-SOIC-EP package. It operates with a supply voltage range of 3.1V to 5.5V and supports load voltages from 5.5V to 27.5V. The device delivers a maximum output current of 600mA per channel with a typical on-resistance of 750 milliohms. It utilizes an SPI interface for control and includes fault protection mechanisms such as fixed current limiting, open load detection, and overvoltage protection. The component functions within a junction temperature range of -40°C to 150°C.
Feature Summary
- Integrates eight configurable high-side or low-side N-channel switches controlled via a 1:8 input-to-output ratio.
- Provides comprehensive fault protection including fixed current limiting, open load detection, and overvoltage safeguards.
- Supports direct microcontroller interfacing through a serial peripheral interface (SPI) compatible with standard logic levels.
Applications
- General load switching for automotive and industrial systems
- Driving white incandescent lamps with current limiting capabilities
- LED load control with configurable open load detection disable
Procurement Notes
Verify the specific suffix EK R2 against official NXP documentation to confirm pinout and packaging details. Confirm end-of-life status and availability through authorized distributors. Ensure compatibility with system voltage requirements and thermal management needs before procurement.
Selection Notes
Select this component when multiple isolated loads require individual control via a serial interface. Consider the 600mA output capability and 750 milliohm resistance for appropriate load sizing. Evaluate the operating temperature range and package thermal performance for the intended application environment.
Part Context
This part belongs to the MCZ33879 family of configurable octal serial switches. It is designed for applications requiring efficient power distribution and diagnostic feedback. The device integrates CMOS logic, bipolar/MOS analog circuits, and DMOS power MOSFETs using SMARTMOS technology for robust performance.
Replacement Considerations
Check for updated revisions within the MCZ33879 series. Verify pin-to-pin compatibility with alternative NXP power switch ICs offering similar channel counts and interface protocols.
