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MC33981BPNA from FREESCAL

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MC33981BPNA

Manufacturer: FREESCAL, PREESCAL

Single High-Side Switch (4.0 m?), PWM clock up to 60kHz

Partnumber Manufacturer Quantity Availability
MC33981BPNA FREESCAL, PREESCAL 152 In Stock

Description and Introduction

Single High-Side Switch (4.0 m?), PWM clock up to 60kHz The MC33981BPNA is a power distribution switch manufactured by Freescale Semiconductor (now part of NXP Semiconductors). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.0V to 28V  
- **Output Current:** Up to 5A (continuous)  
- **On-Resistance (RDS(on)):** Typically 70mΩ  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**  
- The MC33981BPNA is a high-side power switch designed for automotive and industrial applications.  
- It provides robust protection features, including overcurrent, overtemperature, and reverse battery protection.  
- The device is optimized for controlling resistive, inductive, and capacitive loads.  

### **Features:**  
- **Integrated Protection:**  
  - Overcurrent protection with adjustable current limit  
  - Thermal shutdown with auto-recovery  
  - Reverse battery protection (up to -28V)  
  - Undervoltage lockout (UVLO)  
- **Diagnostic Capabilities:**  
  - Open-load detection (ON and OFF states)  
  - Short-to-ground and short-to-battery detection  
  - Fault reporting via status output pin  
- **Control Interface:**  
  - Logic-level enable input  
  - Active-low reset output for fault indication  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official datasheet.

Application Scenarios & Design Considerations

Single High-Side Switch (4.0 m?), PWM clock up to 60kHz

Alternative Part Number

  • TLE8242-2L --: Similar automotive low-side/high-side driver function with comparable current capability and SPI control, widely used as a cross for Freescale solenoid drivers.
  • L9822E --: Octal low-side driver with SPI interface, functionally comparable for driving inductive loads in automotive applications.
  • VNQ5050K-E --: Quad high-side driver with integrated protection, suitable alternative when the application can accept high-side switching instead of the original driver topology.
  • L9822EPD --: Octal low-side driver with SPI interface, similar automotive solenoid/relay driving role and comparable voltage/current ratings.
  • VNQ7050AJ --: High-side driver with integrated protection and SPI diagnostics, suitable functional substitute for automotive load control applications.

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