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TDA1085C from MOT,Motorola

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TDA1085C

Manufacturer: MOT

UNIVERSAL MOTOR SPEED CONTROLLER

Partnumber Manufacturer Quantity Availability
TDA1085C MOT 4 In Stock

Description and Introduction

UNIVERSAL MOTOR SPEED CONTROLLER The TDA1085C is a motor control IC manufactured by **MOT (Mullard, a former Philips subsidiary)**.  

### **Specifications:**  
- **Type:** Universal motor speed controller  
- **Supply Voltage (VCC):** 8V to 18V  
- **Output Current (Driver Stage):** Up to 100mA  
- **Frequency Range:** Adjustable via external components  
- **Package:** DIP-16 (Dual In-line Package)  

### **Descriptions:**  
- Designed for **phase-angle control** of universal motors (AC/DC).  
- Provides **closed-loop speed regulation** with tachometer feedback.  
- Includes **soft-start functionality** to reduce inrush current.  
- Features **overvoltage and undervoltage protection**.  

### **Features:**  
- **Tachometer Input:** For precise speed feedback.  
- **PWM Control:** Adjustable duty cycle for motor speed regulation.  
- **Zero-Crossing Detection:** Ensures smooth motor operation.  
- **External Timing Components:** Allows customization of frequency and ramp characteristics.  
- **Protection Circuits:** Includes thermal shutdown and fault detection.  

This IC was commonly used in **washing machines, power tools, and small appliance motor controls**.  

*(Note: MOT (Mullard) was later integrated into NXP Semiconductors.)*

Application Scenarios & Design Considerations

UNIVERSAL MOTOR SPEED CONTROLLER

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