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MC33879BPEKR2
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Product Detailed Parameters
- Description：IC SW SERIAL OCTAL 32SOIC
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：8
- Ratio - Input:Output：1:08
- Output Configuration：High/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)：1.2A
- Rds On (Typ)：750mOhm
- Input Type：Non-Inverting
- Features：Slew Rate Controlled
- Fault Protection：Current Limiting (Adjustable), Open Load Detect, Over Temperature, Over Voltage, Reverse Battery, Short Circuit, UVLO
- Operating Temperature：-40°C ~ 125°C (TA)
- 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 MC33879BPEKR2 is an 8-output hardware-configurable high-side/low-side switch featuring a 16-bit SPI interface. It utilizes SmartMOS technology with CMOS logic, bipolar/MOS analog circuitry, and DMOS power MOSFETs. The device supports supply voltages from 5.5V to 27.5V and operates within a temperature range of -40°C to 125°C. It includes fault protection features such as fixed current limiting, open load detection, and overvoltage protection.
Feature Summary
- Hardware-configurable output architecture for flexible high-side or low-side switching applications
- Integrated SmartMOS technology combining digital logic and power MOSFETs
- Comprehensive diagnostic capabilities including open load detection and overvoltage protection
Applications
- Inductive load control via microcontroller interfaces
- Incandescent lamp driving systems
- LED load management with configurable current limits
Procurement Notes
Verify the specific suffix 'B' against official NXP documentation, as standard listings often reference 'A'. Confirm package type matches 32-SOIC-EP requirements. Check component status as related variants may be discontinued. Ensure compatibility with 3.3V or 5V SPI logic levels. Validate RoHS compliance status for your region.
Selection Notes
Select this component for applications requiring multiple independently controllable switches with integrated diagnostics. The 16-bit SPI interface allows efficient configuration of output states and fault reporting. Consider the thermal performance in the 32-SOIC-EP package for high-current loads. Ensure the input voltage range aligns with the system's power supply specifications.
Part Context
This part belongs to the MC33879 family of configurable serial switches designed for automotive and industrial environments. It serves as a bridge between low-voltage microcontrollers and higher-voltage loads. The family emphasizes reliability through built-in protection mechanisms and flexible hardware configuration options for diverse load types.
Replacement Considerations
Check for MC33879APEKR2 availability if the 'B' variant is obsolete. Verify pinout and electrical characteristics match exactly before substitution.
