STSPIN820

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STSPIN820

+Nomenclature

IC MTR DRVR BIPLR 7-45V 24TFQFPN

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
Series STSPIN8
ProductStatus Active
MotorType-Stepper Bipolar
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge (4)
Interface Logic
Technology Power MOSFET
StepResolution 1 ~ 1/256
Applications Industrial
Current-Output 1.5A
Voltage-Supply 7V ~ 45V
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 24-TFQFN Exposed Pad

Présentation

Description

The STSPIN820 is a stepper motor driver IC designed by STMicroelectronics. It integrates advanced motor control features to drive bipolar stepper motors efficiently. Key features include a built-in control logic and a low-resistance power stage, which supports microstepping up to 1/256 steps. This high precision in microstepping enhances motion smoothness and positioning accuracy. The STSPIN820 operates across a wide voltage range (7V to 45V) and delivers output current up to 1.5A RMS, making it suitable for various applications like 3D printers, robotics, and industrial automation.
The IC features a simple step/dir interface and adjustable current control through an external reference voltage, allowing flexibility in motor control. It also includes protection features such as overcurrent, thermal shutdown, and undervoltage lockout, ensuring reliable operation. Its compact design simplifies integration into space-constrained applications. Overall, the STSPIN820 offers a balanced combination of performance, efficiency, and ease of use for driving stepper motors in diverse applications.

Equivalent

The STSPIN820 is a stepper motor driver IC from STMicroelectronics. Equivalent products include:
1. Texas Instruments DRV8825: A similar stepper motor driver with microstepping capability.
2. Allegro A4988: Another popular stepper driver with microstepping features.
3. On Semiconductor AMIS-30543: Offers high-performance stepper motor driving with integrated microstepping.
These alternatives may vary in terms of voltage and current ratings, so it's essential to ensure compatibility with your specific application requirements.

Features

The STSPIN820 is a stepper motor driver offering high performance and efficiency. Key features include:
1. Microstepping: Supports up to 1/256 microstepping, allowing for smooth and precise motor control.
2. Voltage Range: Operates over a wide voltage range from 7 to 45V, making it versatile for various applications.
3. Current Control: Features a programmable peak current control with adjustable off-time, enabling efficient power management.
4. Protection: Includes overcurrent, overtemperature, and short-circuit protection, enhancing the reliability and safety of the motor driver.
5. Low Power Consumption: Offers low quiescent current and standby mode, optimizing energy efficiency.
6. Thermal Performance: Designed with advanced thermal management to handle high power applications without overheating.
7. Compact Package: Available in a compact VFQFPN package, making it suitable for space-constrained designs.
These features make the STSPIN820 ideal for applications in 3D printers, robotics, and other precision motion control systems.

Pinout

The STSPIN820 is a stepper motor driver IC from STMicroelectronics, designed for driving bipolar stepper motors with high precision and efficiency. It is housed in a QFN package with 4x4 mm dimensions and features a 24-pin configuration.
Key functions of the STSPIN820 include:
1. Microstepping: It supports up to 1/256 microstepping, allowing for smooth and precise control of the stepper motor.
2. Current Control: The device features a current control mechanism that can be adjusted to deliver the required current to the motor efficiently.
3. Voltage Range: It operates within a wide voltage range, typically from 7 to 45 volts.
4. Protection Features: The IC includes overcurrent, short-circuit, under-voltage lockout, and overtemperature protection to enhance reliability and safety.
5. Programmable Decay Modes: Fast, slow, and mixed decay modes can be programmed to optimize performance for different applications.
The STSPIN820 is suitable for applications requiring compact and efficient stepper motor control, such as 3D printers and CNC machines.

Manufacturer

The STSPIN820 is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products and solutions. It serves a wide array of applications including industrial, automotive, personal electronics, and communications equipment. The company is known for its expertise in microelectronics, integrated circuits, and embedded systems, making it one of the leaders in the semiconductor industry.

Application

The STSPIN820 is a stepper motor driver designed for precision motor control applications. It is commonly used in 3D printers, robotics, textile machinery, and automated systems. Its key features, such as microstepping up to 1/256 step, current control, and a wide operating voltage range, make it ideal for applications requiring smooth and precise motion control. Additionally, it is suitable for use in industrial automation, medical devices, and office equipment where silent and efficient motor operation is critical. The STSPIN820's compact size and integrated features also make it a good choice for space-constrained applications.

Package

The STSPIN820 is available in a QFN (Quad Flat No-leads) package, specifically a 4 x 4 mm QFN24. This compact package is designed for space-saving applications and offers enhanced thermal performance.

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