DRV8251DDAR

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DRV8251DDAR

48-V, 3.5-A H BRIDGE MOTOR DRIVE

  • 제조업체
  • Mfr.부분 #DRV8251DDAR
  • 패키지 HSOIC (DDA)-8
  • 데이터시트
  • 재고 있음5455

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사양

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 Pre-Driver - Half Bridge (2)
Interface PWM
Technology Power MOSFET
Applications Printer
Current-Output 4.1A
Voltage-Supply 4.5V ~ 48V
Voltage-Load 4.5V ~ 48V
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

개요

Description

The DRV8251DDAR is a motor driver IC designed by Texas Instruments, ideal for driving brushed DC motors in a variety of applications. This device is part of the DRV8251 series, known for its efficiency and ease of integration. The IC operates over a wide voltage range, typically from 4.5V to 48V, making it suitable for both low and medium voltage motor-driven applications.
Key features include a robust H-bridge driver architecture, which allows for forward, reverse, brake, and coast motor control. The DRV8251DDAR can deliver up to 4A peak output current, supporting a broad range of motor sizes. It also incorporates built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability and safety during operation.
This motor driver is packaged in a space-saving SOIC package, making it a suitable choice for compact designs. Additionally, it supports PWM (Pulse Width Modulation) control, allowing for precise speed and torque regulation. Overall, the DRV8251DDAR offers a reliable and versatile solution for motor control in consumer electronics, robotics, and industrial applications.

Features

The DRV8251DDAR is a motor driver that is part of the DRV8251 series from Texas Instruments. Key features include:
1. Voltage Range: Operates within a wide voltage range, typically from 4.5V to 48V, making it suitable for a variety of applications.
2. Output Current: Capable of delivering up to 1.9A continuous output current, supporting medium-power applications.
3. Control Interface: Utilizes a simple PWM (Pulse Width Modulation) interface for speed and direction control of the motor.
4. Protection Features: Includes several integrated protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability and protect against faults.
5. Sleep Mode: Features a low-power sleep mode to reduce power consumption when the device is not in use.
6. Package: Comes in a compact HTSSOP (Heat-Slug Thin Shrink Small Outline Package), suitable for space-constrained designs.
7. Efficiency: Designed for high efficiency and low heat generation, minimizing the need for extensive thermal management.
These features make the DRV8251DDAR ideal for driving brushed DC motors in applications like robotics, consumer electronics, and industrial automation.

Package

The DRV8251DDAR is a motor driver IC from Texas Instruments, housed in an 8-pin SO PowerPAD (DDA) package. This package type features an exposed thermal pad to enhance heat dissipation, making it suitable for compact designs requiring efficient thermal management.

Pinout

The DRV8251DDAR is a motor driver IC from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. IN1: Input pin used for controlling the motor.
2. IN2: Another input pin for motor control, often used in conjunction with IN1 to determine motor direction and operation.
3. nSLEEP: A low-power sleep mode control input. When this pin is low, the device enters low-power sleep mode.
4. MODE: In some configurations, this pin can be used to configure the operation mode of the device.
5. OUT1: Motor output pin connected to one terminal of the motor.
6. OUT2: Another motor output pin connected to the other terminal of the motor.
7. VM: Supply voltage pin for the motor driver.
8. GND: Ground pin for the device.
This device is typically used for driving brushed DC motors and is capable of operating in different modes such as clockwise, counterclockwise, brake, or coast, depending on the input pin configurations.

Manufacturer

The DRV8251DDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and produces semiconductors and various integrated circuits, which are used in electronics across multiple industries. TI is known for its innovation in analog and embedded processing products. It serves diverse markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.

Application

The DRV8251DDAR is a motor driver IC typically used in applications requiring precise motor control. Key application areas include robotics, industrial automation, home appliances, and automotive systems. It is suitable for controlling brushed DC motors, providing efficient power management, and enhancing system performance in compact designs. Its features make it ideal for use in battery-powered devices and systems needing reliable and efficient motor control.

Equivalent

The DRV8251DDAR is a brushed DC motor driver by Texas Instruments. Equivalent products might include:
1. L298N by STMicroelectronics
2. TB6612FNG by Toshiba
3. MC33886 by NXP Semiconductors
4. DRV8833 by Texas Instruments
5. A4950 by Allegro MicroSystems
These alternatives are chosen based on similar functionalities and specifications, though exact equivalence may depend on specific design requirements. Always compare datasheets to ensure compatibility.

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