DRV8434SRGER

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DRV8434SRGER

+Nomenclature

48-V, 2.5-A BIPOLAR STEPPER MOTO

  • FabricantTexas Instruments

  • Pièce fabricant #DRV8434SRGER

  • En stock9201

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Spécifications

Attribut Valeur
PartStatus Active
BaseProductNumber DRV8434
MotorType-Stepper Bipolar
MotorType-AC,DC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge
Interface SPI, Step/Direction
Technology NMOS
StepResolution 1 ~ 1/256
Applications General Purpose
Current-Output 2.5A
Voltage-Supply 4.5V ~ 48V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package 24-VFQFN Exposed Pad
SupplierDevicePackage 24-VQFN (4x4)
Packaging Cut Tape (CT), Tape & Reel (TR)

Présentation

Description

The DRV8434SRGER is a stepper motor driver from Texas Instruments designed for driving bipolar stepper motors in various applications, including 3D printers, robotics, and CNC machines. It features integrated microstepping control, allowing for smooth and precise motor operation with a resolution of up to 1/16th microstepping.
Key specifications include a wide operating voltage range (from 8.2V to 45V) and the ability to deliver up to 1.5A of continuous current per phase, with peak currents reaching higher levels. The device incorporates protection features such as overcurrent, thermal shutdown, and undervoltage lockout.
The DRV8434SRGER supports different control modes, including step/direction and simplified PWM control, which enhances its versatility in various designs. It also includes adjustable current control settings, allowing for efficient power management. Its compact package and low thermal resistance make it suitable for space-constrained applications.
Overall, the DRV8434SRGER is a reliable choice for high-performance stepper motor control in a range of electronic projects.

Equivalent

The DRV8434SRGER is a stepper motor driver IC from Texas Instruments. Equivalent products include the A4988 and DRV8825 from Allegro Microsystems, as well as the L298N from STMicroelectronics. These alternatives may vary in features like current rating, microstepping capabilities, and supply voltage, so be sure to check their specifications for compatibility with your application.

Features

The DRV8434SRGER is a highly integrated stepper motor driver from Texas Instruments designed for precise control of bipolar stepper motors. Key features include:
1. Microstepping Support: Offers up to 1/16 microstepping for smooth motion and improved resolution.
2. Current Control: Features adjustable current control to optimize performance and prevent overheating, with a full-scale output current of up to 1.5 A per phase.
3. Integrated Protection: Built-in thermal shutdown, overcurrent protection, and undervoltage lockout enhance reliability and safety.
4. PWM Control: Supports PWM chopper control for efficient operation and reduced power losses.
5. Multiple Interface Modes: Provides step/direction and PWM interfaces for flexible integration in various applications.
6. Low Power Consumption: Designed for low quiescent current, making it suitable for battery-operated devices.
7. Compact Package: Available in a VQFN (QFN) package, enabling space-saving designs.
These features make the DRV8434SRGER ideal for applications in 3D printers, CNC machines, and robotics.

Pinout

The DRV8434SRGER is a stepper motor driver from Texas Instruments. It features a total of 28 pins. Key functions include:
1. Power Supply Pins: VCP and VM for voltage input.
2. Control Pins:
- STEP: Receives step signals.
- DIR: Direction control input.
- ENABLE: Activates or deactivates the motor driver.
3. Microstepping Control: Pins for setting microstepping resolution (e.g., MS1, MS2, MS3).
4. Current Limit: Adjustable control for output current settings (ISET).
5. Temperature and Fault Monitoring: Includes thermal shutdown and protection features.
6. Feedback Pins: To monitor the operation status.
This driver supports efficient control of bipolar stepper motors with adjustable microstepping, making it suitable for various applications in robotics, 3D printing, and automation.

Manufacturer

The DRV8434SRGER is manufactured by Texas Instruments (TI), a major American technology company known for designing and manufacturing semiconductors and various integrated circuits. Founded in 1951, Texas Instruments is headquartered in Dallas, Texas, and specializes in a wide range of electronics, including analog and digital signal processing, embedded processors, and microcontrollers.
The company serves various industries such as automotive, industrial, communications, and consumer electronics. Texas Instruments is particularly recognized for its innovation in power management and motor drivers, with the DRV8434SRGER being a stepper motor driver that integrates features for precise control in applications like robotics and automation. TI is also known for its commitment to research and development, providing a broad portfolio of products and solutions that enhance efficiency and performance in electronic designs.

Application

The DRV8434SRGER is a microstepping stepper motor driver commonly used in various applications, including:
1. 3D Printers: For precise control of stepper motors in printing mechanisms.
2. Robotics: Driving motors in robotic arms and mobile platforms.
3. CNC Machines: Controlling movement in computer numerical control machinery.
4. Automated Equipment: Used in conveyor systems and automated assembly lines.
5. Medical Devices: Driving motors in equipment like MRI machines or lab automation.
6. Home Automation: Controlling motorized systems in smart home devices.
Its compact size and integrated features make it suitable for various compact and power-efficient applications.

Package

The DRV8434SRGER is packaged in a HTQFP (Thin Quad Flat Pack) with a 32-pin configuration. This package type offers a compact footprint and is suitable for surface mounting on PCBs.

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