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MC33039 from MOTOROLA

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MC33039

Manufacturer: MOTOROLA

Closed-Loop Brushless Motor Adapter

Partnumber Manufacturer Quantity Availability
MC33039 MOTOROLA 100 In Stock

Description and Introduction

Closed-Loop Brushless Motor Adapter The MC33039 from Motorola is a tachometer frequency-to-voltage converter designed for use with brushless DC motors.  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.5V to 20V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Frequency Range:** Up to 100kHz  
- **Output Voltage Range:** Adjustable via external components  
- **Package Options:** 8-pin DIP, SOIC  

### **Descriptions and Features:**  
- Converts tachometer input frequency into a proportional DC voltage.  
- Includes an internal comparator for zero-crossing detection.  
- Features an open-collector output for flexibility in interfacing.  
- Designed for use with Hall-effect or optical sensors in motor control applications.  
- Includes a built-in voltage regulator for stable operation.  
- Low power consumption.  

The MC33039 is commonly used in motor speed control systems to provide feedback for closed-loop operation.

Application Scenarios & Design Considerations

Closed-Loop Brushless Motor Adapter

Alternative Part Number

  • LM2917 --: Frequency-to-voltage converter IC commonly used in tachometer and motor control circuits, functionally similar to the MC33039 closed-loop speed controller.
  • KA7500 --: PWM control IC suitable for motor speed regulation applications, offering comparable control functionality in a different series.
  • SG3524 --: Widely available PWM regulator/controller IC that can serve as a functional substitute in motor control designs.

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