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MC33291DW from FREESCALE

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MC33291DW

Manufacturer: FREESCALE

Eight Output Switch with Serial Peripheral Interface I/O

Partnumber Manufacturer Quantity Availability
MC33291DW FREESCALE 1 In Stock

Description and Introduction

Eight Output Switch with Serial Peripheral Interface I/O The MC33291DW is a power system basis chip (SBC) manufactured by Freescale Semiconductor. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Freescale Semiconductor  
- **Package:** SOIC-20 (DW suffix indicates the package type)  
- **Operating Voltage Range:** 5V to 27V  
- **Output Voltage:** 5V (regulated)  
- **Current Capability:** Up to 250mA (for the 5V regulator)  
- **Communication Interface:** SPI (Serial Peripheral Interface)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Integrated Features:**  
  - Voltage regulator  
  - High-side and low-side drivers  
  - Watchdog timer  
  - Reset functionality  
  - Fault detection  

### **Descriptions:**  
The MC33291DW is a highly integrated power management and driver IC designed for automotive and industrial applications. It combines a voltage regulator, multiple drivers, and system monitoring functions in a single chip. It is commonly used in electronic control units (ECUs) and other embedded systems requiring reliable power management and driver capabilities.

### **Features:**  
- **5V Regulator:** Provides a stable 5V supply for microcontrollers and sensors.  
- **High-Side Drivers:** Capable of driving external loads (e.g., relays, lamps).  
- **Low-Side Drivers:** Used for ground-side switching applications.  
- **SPI Interface:** Allows microcontroller communication for configuration and diagnostics.  
- **Watchdog Timer:** Ensures system reliability by monitoring microcontroller activity.  
- **Reset Circuitry:** Provides power-on reset and brown-out detection.  
- **Fault Protection:** Includes overvoltage, undervoltage, and thermal shutdown protection.  
- **Automotive-Grade:** Designed to meet stringent automotive reliability standards.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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