ON Semiconductor TDA1085C Universal Motor Speed Controller

The TDA1085C from ON Semiconductor is a comprehensive and versatile motor speed controller designed for controlling universal motors in applications such as power tools, household appliances, and industrial equipment. This integrated circuit provides smooth control of motor speed from a standstill to maximum speed, with features that ensure consistent and reliable performance.

Key Features

• Speed Regulation: The TDA1085C offers excellent speed stability against supply voltage variations and load changes, which is crucial for maintaining consistent motor performance.
• Soft-Start Function: It includes a soft-start function that gradually ramps up the motor speed, reducing mechanical stress and increasing the lifespan of the motor and the application it powers.
• Dynamic Braking: The dynamic braking feature enables the motor to come to a quick stop when power is removed, enhancing safety and control.
• Supply Voltage Range: It operates over a wide supply voltage range, accommodating various power supply configurations and making it suitable for a broad range of applications.
• Phase Control: The device uses phase control of the AC supply for motor speed regulation, providing efficient energy usage and precise speed adjustment.

Applications

The TDA1085C is ideal for a variety of applications where reliable and efficient motor speed control is necessary. It's commonly used in:

• Vacuum cleaners
• Food processors
• Power tools
• Washing machines
• Other household and industrial motor-driven equipment

Technical Specifications

The TDA1085C is packed with technical features that make it a robust solution for motor control. Some of its specifications include:

• Supply Voltage: Typically 220 VAC
• Operating Temperature Range: -25°C to +85°C
• Package Type: DIP-16

In conclusion, the TDA1085C from ON Semiconductor is a highly efficient, reliable, and user-friendly solution for universal motor speed control. Its integration of multiple features into a single IC makes it an excellent choice for designers seeking to create sophisticated motor control systems with minimal external components.