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MC33033DW from ON,ON Semiconductor

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MC33033DW

Manufacturer: ON

Brushless DC Motor Controller

Partnumber Manufacturer Quantity Availability
MC33033DW ON 3 In Stock

Description and Introduction

Brushless DC Motor Controller The MC33033DW is a brushless DC motor controller manufactured by ON Semiconductor. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** ON Semiconductor  
- **Package:** SOIC-20 (DW suffix)  
- **Operating Voltage Range:** 10V to 30V  
- **Output Current (Peak):** 100mA (sink/source)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Control Method:** Sensor-based (Hall-effect inputs)  
- **PWM Frequency:** Adjustable via external RC components  

### **Descriptions:**  
The MC33033DW is a high-performance, monolithic brushless DC motor controller designed for driving three-phase or four-phase motors. It includes Hall-effect sensor decoding, rotor position sensing, and PWM speed control. It is commonly used in applications such as fans, pumps, and industrial motor drives.  

### **Features:**  
- **Hall Sensor Inputs:** Supports three Hall-effect sensors for rotor position detection.  
- **PWM Speed Control:** Adjustable duty cycle for precise motor speed regulation.  
- **Forward/Reverse Control:** Allows bidirectional motor operation.  
- **Internal Braking Function:** Provides dynamic braking capability.  
- **Fault Protection:** Includes undervoltage lockout (UVLO) and thermal shutdown.  
- **Open-Collector Outputs:** Six outputs for driving external power MOSFETs or IGBTs.  
- **Adjustable Oscillator:** External RC components set PWM frequency.  

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

Application Scenarios & Design Considerations

Brushless DC Motor Controller

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