DRV8251DDAR

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DRV8251DDAR

+BOM

48-V, 3.5-A H BRIDGE MOTOR DRIVE

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #DRV8251DDAR

  • パッケージ HSOIC (DDA)-8

  • 在庫状況5604

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
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)

概要

Description

The DRV8251DDAR is a motor driver integrated circuit from Texas Instruments, designed to control small DC motors in various applications. It operates in a voltage range of 4.5V to 48V, making it suitable for a wide array of consumer, industrial, and automotive applications. This device supports both PWM (pulse-width modulation) and PH/EN (phase/enable) control interfaces, providing flexibility in controlling motor speed and direction.
The DRV8251DDAR features protection mechanisms such as overcurrent, overtemperature, and undervoltage lockout, ensuring reliable operation and safeguarding connected components. Its H-Bridge architecture allows for efficient motor control, including forward, reverse, brake, and coast modes. The chip is housed in a compact, thermally efficient HTSSOP package, facilitating efficient heat dissipation and space-saving designs.
This driver is particularly useful in applications like robotics, drones, home automation, and battery-powered devices, where precise motor control and efficiency are paramount. Its combination of features makes it an effective solution for developers looking to integrate reliable motor control into their projects.

Equivalent

The DRV8251DDAR is a motor driver from Texas Instruments. Equivalent products include:
1. Allegro A4950: Offers similar functionality for motor control.
2. ON Semiconductor LV8548MC: Another motor driver with comparable features.
3. STMicroelectronics L293D: A dual H-bridge motor driver IC.
4. Toshiba TB6612FNG: Suitable for driving DC motors with similar capabilities.
When selecting an equivalent, ensure compatibility with your specific application requirements such as voltage, current, and control features.

Features

The DRV8251DDAR is a high-efficiency motor driver IC designed for driving brushed DC motors. Key features include:
1. Voltage Range: Operates from 4.5V to 48V, making it suitable for a variety of applications.
2. Current Capability: Supports peak output currents up to 4A, which is ideal for small to medium-sized motors.
3. Control Interface: Includes a simple PWM (Pulse Width Modulation) interface for precise motor speed and direction control.
4. Protection Features: Equipped with built-in protection features such as overcurrent, thermal shutdown, and undervoltage lockout to ensure reliable operation.
5. Low Power Consumption: Features low standby current consumption, enhancing energy efficiency for battery-operated devices.
6. Package: Available in a small and thermally efficient PowerPAD™ package which aids in heat dissipation.
7. Diagnostics: Provides fault reporting and protection indication through an nFAULT pin.
8. Versatility: Suitable for a wide range of applications including robotics, home appliances, and industrial equipment due to its robust design and wide operating range.
These features make the DRV8251DDAR a versatile and reliable choice for motor control applications.

Pinout

The DRV8251DDAR is a motor driver IC from Texas Instruments. It is designed for driving brushed DC motors and offers a single H-bridge. The device comes in an 8-pin package with the following pin functions:
1. IN1: Control input for the H-bridge.
2. IN2: Another control input for the H-bridge.
3. nSLEEP: Puts the device into a low-power sleep mode when driven low.
4. VREF: Reference voltage input for current regulation.
5. OUT1: Output terminal connected to the motor.
6. OUT2: Another output terminal connected to the motor.
7. VM: Supply voltage input for the motor driver.
8. GND: Ground connection.
This IC is typically used in applications requiring low to medium current motor control, and it supports various operating voltages to accommodate different motor types. The DRV8251DDAR provides features like thermal shutdown, overcurrent protection, and undervoltage lockout to ensure reliability and safety.

Manufacturer

The DRV8251DDAR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, and its products are widely used in applications ranging from automotive to personal electronics, industrial, and communications equipment. TI is renowned for its innovation in analog and embedded processing technologies.

Application

The DRV8251DDAR is a motor driver IC used in various applications that require precise control of DC motors. Key application areas include:
1. Consumer Electronics: Used in devices like printers, scanners, and robotic toys for controlling motor movement.
2. Industrial Automation: Employed in conveyor systems and automated machinery for motor control.
3. Home Appliances: Integrated into appliances such as washing machines and dishwashers for efficient motor operation.
4. Automotive: Utilized in power seats, mirrors, and HVAC systems for motorized adjustments.
5. Robotics: Essential for motor control in robotic arms and automation systems.
The DRV8251DDAR offers features like high efficiency, low power consumption, and precise motor speed control, making it versatile for these applications.

Package

The DRV8251DDAR is a motor driver by Texas Instruments and comes in an HTSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with 16 pins. The package type is designed to provide enhanced thermal performance suitable for driving motors.

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