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MC33033P from ON,ON Semiconductor

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MC33033P

Manufacturer: ON, MOT

Brushless DC Motor Controller

Partnumber Manufacturer Quantity Availability
MC33033P ON, MOT 52 In Stock

Description and Introduction

Brushless DC Motor Controller The MC33033P is a motor controller IC manufactured by ON Semiconductor. Here are the key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** ON Semiconductor  
- **Type:** Brushless DC Motor Controller  
- **Package:** PDIP-24 (Plastic Dual In-Line Package)  
- **Operating Voltage Range:** 10V to 30V  
- **Output Current (Peak):** 100mA (sink/source per output)  
- **Frequency Range:** Up to 100kHz  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The MC33033P is designed for controlling brushless DC motors in applications such as industrial automation, automotive systems, and consumer electronics.  
- It includes sensor decoding logic, PWM speed control, and fault protection features.  
- The IC supports Hall-effect sensor inputs for rotor position detection.  

### **Features:**  
- **Sensor-Based Commutation:** Supports 60°, 120°, 240°, or 300° sensor phasing.  
- **PWM Speed Control:** Adjustable via an external input.  
- **Fault Protection:** Includes undervoltage lockout, thermal shutdown, and crossover current protection.  
- **Forward/Reverse Control:** Allows bidirectional motor operation.  
- **Open-Collector Outputs:** Compatible with external power MOSFETs or IGBTs.  

This information is strictly factual and sourced from the manufacturer's documentation.

Application Scenarios & Design Considerations

Brushless DC Motor Controller

Alternative Part Number

  • SG3525AN --: Widely available PWM controller in a DIP-16 package with similar control-loop features; a common substitute for MC33033 in switching power supply designs.
  • UC3525AN --: Industry-standard PWM controller with dual outputs and DIP-16 footprint; functionally comparable and easy to source as a replacement.
  • TL494CN --: Popular general-purpose PWM controller in DIP-16, offering similar regulation and drive capability for many MC33033 applications.

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