DRV8834RGER

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DRV8834RGER

+Nomenclature

IC MTR DRV BIPLR 2.5-10.8V 24QFN

  • FabricantTexas Instruments

  • Pièce fabricant #DRV8834RGER

  • Package VQFN (RGE)-24

  • En stock2365

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MotorType-Stepper Bipolar
MotorType-ACDC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge (4)
Interface Logic
Technology Power MOSFET
StepResolution 1 ~ 1/32
Applications General Purpose
Current-Output 1.5A
Voltage-Supply 2.5V ~ 10.8V
Voltage-Load 2.5V ~ 10.8V
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 24-VFQFN Exposed Pad

Présentation

Description

The DRV8834RGER is a stepper motor driver designed by Texas Instruments, commonly used in low-voltage applications. It is part of the DRV8834 series and is ideal for controlling bipolar stepper motors in various electronic devices. The driver provides an interface that simplifies the control of the stepper motor with minimal external components, making it suitable for compact designs.
Key features include a wide operating voltage range of 2.5V to 10.8V, current regulation with adjustable current limits, and a microstepping indexer that supports full-step, half-step, quarter-step, eighth-step, and sixteenth-step modes. The DRV8834RGER also includes built-in protection features such as overcurrent protection, overtemperature shutdown, and undervoltage lockout to safeguard the motor and driver.
The package is highly compact, typically available in a 24-pin VQFN package, allowing for efficient thermal management. This driver is widely used in applications like 3D printers, camera platforms, and portable devices where precise motor control is required.

Equivalent

The DRV8834RGER is a stepper motor driver from Texas Instruments. Equivalent products include the Allegro A4988, ON Semiconductor's AMIS-30543, and Trinamic's TMC2130. These alternatives offer similar functionalities, such as low-voltage operation and microstepping capabilities. When selecting an equivalent, consider the specific features, voltage and current ratings, and package type that align with your application's requirements. Always consult datasheets and application notes to ensure compatibility.

Features

The DRV8834RGER is a stepper motor driver by Texas Instruments designed for low-voltage applications. Key features include:
1. Low Voltage Operation: Supports motor power supply voltages from 2.5V to 10.8V, making it suitable for battery-powered applications.
2. Microstepping Support: Provides up to 1/32 microstepping for smooth and precise motor control.
3. Current Regulation: Adjustable current control with a simple resistor to set the reference voltage for current limiting.
4. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protections to enhance reliability.
5. Sleep Mode: Low-power sleep mode reduces power consumption when the motor is not in use.
6. Small Package: Available in a compact 24-pin VQFN package, optimizing space for portable devices.
7. Interface: Simple STEP/DIR interface for easy integration with control systems.
8. Thermal Performance: Good thermal dissipation properties due to its package design, suitable for high-performance requirements.
This driver is ideal for applications requiring compactness, efficiency, and precision, such as robotics, 3D printers, and portable devices.

Pinout

The DRV8834RGER is a stepper motor driver from Texas Instruments. It is typically available in a 24-pin VQFN package. The primary function of the DRV8834 is to drive bipolar stepper motors in microstepping mode. It supports a wide range of supply voltages from 2.5V to 10.8V and can deliver up to 2A of current per coil, making it suitable for battery-powered and low-voltage applications.
Key features include:
- Microstepping capabilities with up to 1/32-step resolution.
- Built-in protection features such as overcurrent, overtemperature, and undervoltage lockout.
- Configurable current regulation to control motor current via external resistors.
- Sleep mode for low power consumption.
The DRV8834 uses a simple step/direction interface for controlling the motor steps and direction. It also provides multiple decay modes for current regulation, including slow decay, fast decay, and mixed decay, enhancing its flexibility in various applications.

Manufacturer

The DRV8834RGER is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics across diverse industries. They are known for producing a wide range of products, including microcontrollers, processors, and analog devices. TI focuses on innovation and provides solutions that help engineers develop and optimize their electronic systems.

Application

The DRV8834RGER is a stepper motor driver commonly used in applications that require precise motor control. It is suitable for battery-powered devices due to its low voltage operation, making it ideal for portable equipment. Common application areas include 3D printers, camera sliders, automated blinds, and small robotics where compact size and efficient power management are essential. The device is also utilized in medical devices and consumer electronics for precise positioning tasks. Its ability to handle microstepping and low current levels makes it versatile for applications requiring smooth motor control and reduced power consumption.

Package

The DRV8834RGER is a stepper motor driver IC from Texas Instruments, available in a VQFN (Very Thin Quad Flat No-Lead) package with 24 pins. This package type is compact and suitable for space-constrained applications, providing efficient thermal performance.

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