ON Semiconductor
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STK672-553

STK672-553

Product Overview

Category

STK672-553 belongs to the category of integrated circuits (ICs) specifically designed for motor control applications.

Use

This IC is primarily used for controlling the speed and direction of various types of motors, such as stepper motors and brushless DC motors.

Characteristics

  • Compact size and high integration
  • High efficiency and low power consumption
  • Wide operating voltage range
  • Built-in protection features for overcurrent and overtemperature conditions

Package

STK672-553 is available in a compact and durable package, which ensures easy installation and reliable performance.

Essence

The essence of STK672-553 lies in its ability to provide precise and efficient motor control, enabling smooth and accurate movement in various applications.

Packaging/Quantity

STK672-553 is typically packaged in trays or reels, with each package containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Operating Voltage: 12V - 48V
  • Maximum Output Current: 5A
  • Control Method: PWM (Pulse Width Modulation)
  • Number of Pins: 24
  • Thermal Resistance: 2.5°C/W

Detailed Pin Configuration

  1. VCC
  2. GND
  3. IN1
  4. IN2
  5. IN3
  6. IN4
  7. OUT1
  8. OUT2
  9. OUT3
  10. OUT4
  11. VREF
  12. REF
  13. FG
  14. RD
  15. SD
  16. SENSE
  17. VREG
  18. VREF2
  19. VREF1
  20. VREF0
  21. VREF3
  22. VREF4
  23. VREF5
  24. VREF6

Functional Features

  • Precise speed control through PWM signals
  • Direction control for forward and reverse rotation
  • Overcurrent protection to prevent motor damage
  • Overtemperature protection to ensure safe operation
  • Fault detection and indication for easy troubleshooting

Advantages and Disadvantages

Advantages

  • High integration reduces external component count
  • Efficient motor control for improved performance
  • Compact size allows for space-saving designs
  • Built-in protection features enhance reliability

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Requires additional external circuitry for advanced control functions

Working Principles

STK672-553 utilizes pulse width modulation (PWM) technique to control the motor speed. By adjusting the duty cycle of the PWM signal, the average voltage applied to the motor can be varied, thereby controlling its speed. The direction of rotation is controlled by changing the sequence of the input signals.

Detailed Application Field Plans

STK672-553 finds extensive application in various fields, including: 1. Robotics: Controlling the movement of robotic arms and joints. 2. Industrial Automation: Precise control of conveyor belts, pumps, and other industrial machinery. 3. Automotive: Speed control of electric power steering systems and HVAC blowers. 4. Consumer Electronics: Control of fans, disk drives, and other small appliances. 5. Medical Equipment: Motor control in surgical robots, infusion pumps, and diagnostic devices.

Detailed and Complete Alternative Models

  1. STK672-570: Similar functionality with higher maximum output current.
  2. STK672-580: Enhanced protection features with built-in fault diagnostics.
  3. STK672-590: Higher operating voltage range for specialized applications.
  4. STK672-600: Advanced control options with additional input/output pins.

Note: This is not an exhaustive list, and there are several alternative models available in the market with varying specifications and features.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací STK672-553 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of STK672-553 in technical solutions:

  1. Q: What is STK672-553? A: STK672-553 is a hybrid stepping motor driver IC that provides precise control for stepper motors.

  2. Q: What are the key features of STK672-553? A: Some key features include high efficiency, low heat generation, built-in protection circuits, and easy integration with microcontrollers.

  3. Q: What is the voltage range supported by STK672-553? A: The voltage range supported is typically between 24V and 75V.

  4. Q: Can STK672-553 drive multiple stepper motors simultaneously? A: Yes, it can drive multiple stepper motors simultaneously by connecting them in parallel or series configuration.

  5. Q: How does STK672-553 handle current control? A: STK672-553 utilizes a constant current control method to ensure accurate and stable motor operation.

  6. Q: Is STK672-553 compatible with different types of stepper motors? A: Yes, it is compatible with various types of stepper motors, including bipolar and unipolar motors.

  7. Q: Can STK672-553 be controlled using a microcontroller? A: Yes, it can be easily controlled using a microcontroller through standard digital input signals.

  8. Q: Does STK672-553 provide protection against overcurrent and overheating? A: Yes, it has built-in protection circuits to prevent damage from overcurrent and overheating conditions.

  9. Q: What is the maximum output current supported by STK672-553? A: The maximum output current is typically around 5A, but it may vary depending on the specific model.

  10. Q: Are there any application examples where STK672-553 is commonly used? A: Yes, STK672-553 is commonly used in applications such as CNC machines, 3D printers, robotics, and automated manufacturing systems.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of the technical solution.