A5974DTR

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A5974DTR

+БОМ

IC REG BUCK ADJ 2.5A 8HSOP

  • ПроизводительSTМикроэлектроника

  • Мфр. Часть #A5974DTR

  • Лист данных A5974DTR DataSheet

  • В наличии9702

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
PartStatus Obsolete
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4V
Voltage-Input(Max) 36V
Voltage-Output(Min/Fixed) 1.235V
Voltage-Output(Max) 35V
Current-Output 2.5A
Frequency-Switching 250kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad
SupplierDevicePackage 8-HSOP-EP
BaseProductNumber A5974
Grade Automotive
Qualification AEC-Q100

Обзор

Description

The A5974DTR is a high-performance, dual H-bridge motor driver designed for controlling DC motors and stepper motors in various applications. It features advanced current control and can drive motors with a voltage range of 8V to 45V. The integrated protection features include over-temperature shutdown, undervoltage lockout, and overcurrent protection, ensuring reliable operation and safeguarding against faults.
The A5974DTR supports PWM (Pulse Width Modulation) for precise speed control and direction reversal, making it suitable for robotics, automation, and other applications requiring precise motor control. It can handle continuous currents up to 2.5A per channel, with peak currents significantly higher.
The device is packaged in a compact HTSSOP-28 form factor, facilitating easy integration into space-constrained designs. Additional features include diagnostics for fault conditions and simple interfacing with microcontrollers. Overall, the A5974DTR is an efficient and flexible solution for motor control in various electronic applications.

Equivalent

The A5974DTR is a step-down switching regulator. Equivalent products include the LM2596, LMT86, and MIC2941. Other alternatives are the TPS563201 and LM2675. Ensure to compare specifications like input voltage range, output current, efficiency, and package types to find the best suitable replacement for your specific application.

Features

The A5974DTR is a high-efficiency, dual H-Bridge motor driver designed for driving bipolar stepper motors and DC motors. Key features include:
1. Dual H-Bridge Configuration: Capable of driving two motors or one bipolar stepper motor.
2. High Current Capability: Supports up to 2A continuous output current per bridge, with peak currents higher during short durations.
3. PWM Control: Allows for efficient control of motor speed and torque through pulse-width modulation.
4. Protection Features: Integrated thermal shutdown, overcurrent protection, and under-voltage lockout to prevent damage.
5. Adjustable Current Control: Enables fine-tuning of motor performance and efficiency.
6. Wide Operating Voltage Range: Suitable for various applications with a voltage range from 6.5V to 40V.
7. Compact Package: Available in a thermally enhanced HTSSOP package for space-constrained designs.
Overall, the A5974DTR is ideal for applications in robotics, automation, and other motor control systems requiring reliable performance.

Pinout

The A5974DTR is a high-performance, dual H-bridge motor driver integrated circuit designed for driving DC motors and stepper motors. It features a 28-pin TSSOP package. The pin functions include:
1. Power Supply Pins: VBB (motor supply voltage).
2. Control Pins: IN1, IN2 (inputs for controlling motor direction and operation).
3. PWM Pins: PWM1, PWM2 (for speed control via pulse-width modulation).
4. Feedback Pins: VREF (voltage reference for current sensing).
5. Protection Pins: FAULT (indicates fault conditions), and various thermal and overcurrent protections.
6. Sense Pins: SENSE (for current sensing feedback).
7. Ground Pins: GND (common ground connection).
These pins allow for efficient motor control in a compact design, targeting applications such as robotics, automation, and consumer electronics.

Manufacturer

The A5974DTR is manufactured by Allegro MicroSystems, Inc. Allegro is a semiconductor company that specializes in the development and production of analog, mixed-signal, and power semiconductor solutions. They focus on providing innovative technologies and products for various applications, including automotive, industrial, and consumer electronics.
Allegro MicroSystems designs and manufactures a wide range of products, including motor drivers, Hall-effect sensors, power ICs, and other advanced semiconductor solutions. The company is known for its high-performance integrated circuits that help to enhance the efficiency and functionality of electronic systems. With a commitment to innovation and quality, Allegro serves diverse markets, driving advancements in automation, energy management, and smart technology applications.

Application

The A5974DTR is a high-performance stepper motor driver primarily used in applications such as 3D printers, CNC machines, robotics, and automation systems. Its features, like microstepping capability and high current handling, make it ideal for precise motion control in industrial equipment and hobbyist projects. Additionally, it can be utilized in medical devices and consumer electronics that require accurate positioning and movement. The driver’s versatility and efficiency allow it to be integrated into various systems needing reliable and smooth motor control.

Package

The A5974DTR is packaged in a HTSSOP-28 (Thin Shrink Small Outline Package), which is a surface-mount type package designed for efficient thermal performance and space-saving applications in electronic circuits.

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