A3908EEETR-T

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A3908EEETR-T

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IC MOTOR DRIVER 3V-5.5V 8DFN

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
MotorType-ACDC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge (2)
Interface Parallel
Technology Power MOSFET
Applications General Purpose
Current-Output 500mA
Voltage-Supply 3V ~ 5.5V
Voltage-Load 3V ~ 5.5V
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-UFDFN Exposed Pad

Tổng quan

Description

The A3908EEETR-T is a microelectronic component, specifically a motor driver IC, produced by Allegro MicroSystems. It is designed for use in driving brushless DC motors and other electromechanical devices such as fans and pumps. The IC is typically used in consumer electronics, home appliances, and automotive applications that require precision motor control.
This component integrates control logic and output driver stages to facilitate efficient motor operation while minimizing external components, thereby simplifying circuit design. It is housed in a compact package suitable for surface mounting, making it ideal for space-constrained applications. The A3908EEETR-T offers features such as thermal shutdown protection, overcurrent protection, and under-voltage lockout to enhance reliability and safety.
Key specifications include a wide operating voltage range and support for a variety of motor control modes including PWM (Pulse Width Modulation) control. Its efficient design helps in reducing power consumption and heat generation, which is crucial for battery-operated devices. Overall, the A3908EEETR-T is well-suited for applications that demand compact, reliable, and efficient motor control solutions.

Equivalent

The A3908EEETR-T is a dual full-bridge motor driver IC. Equivalent products might include the DRV8833 from Texas Instruments, the L298N from STMicroelectronics, or the TB6612FNG from Toshiba. While these alternatives perform similar functions, verify the specifications and pin configurations to ensure compatibility with your application.

Features

The A3908EEETR-T is a compact, dual full-bridge motor driver IC designed to control small DC motors. Key features include:
1. Operating Voltage Range: It supports a wide voltage range, typically from 2.5V to 5.5V, making it suitable for battery-operated devices.
2. Output Current: The device can deliver peak currents suitable for driving small motors, with efficient power management.
3. PWM Control: It features Pulse Width Modulation (PWM) control for precise speed regulation and energy efficiency.
4. Low RDS(on): The IC is designed with low on-resistance to minimize power loss and heat generation.
5. Protection Features: It includes built-in protection mechanisms such as thermal shutdown, undervoltage lockout, and overcurrent protection to enhance reliability.
6. Compact Package: Available in a compact, thermally efficient packaging suitable for space-constrained applications.
7. Applications: Ideal for consumer electronics, toys, and portable devices where efficient motor control is required.
These features make the A3908EEETR-T an excellent choice for applications requiring efficient, reliable motor control.

Pinout

The A3908EEETR-T is a motor driver IC manufactured by Allegro MicroSystems. It typically comes in a 10-pin MSOP (Micro Small Outline Package) with an exposed pad. This device is designed to drive low-voltage bipolar stepper motors and can also be configured to drive two DC motors. It integrates two full H-bridge drivers, providing precise control over motor speed and direction. The A3908EEETR-T supports PWM operation, allowing smooth motor control with low power consumption. It includes features such as thermal shutdown protection, undervoltage lockout, and crossover-current protection for robustness in operation.

Manufacturer

The A3908EEETR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company known for its innovation in developing and manufacturing advanced semiconductor solutions. They specialize in providing high-performance power and sensor ICs, which are used in a variety of applications including automotive, industrial, and consumer electronics. Allegro MicroSystems focuses on delivering cutting-edge solutions that enhance energy efficiency and performance, aiming to drive advancements in electric vehicles, green energy, and automation technologies.

Application

The A3908EEETR-T is a motor driver IC designed for low-voltage battery-operated applications. It is used primarily in devices requiring efficient control of small DC motors, such as toys, portable appliances, and consumer electronics. The IC is suitable for applications involving simple forward/reverse motor control, such as in electronic door locks, camera lenses, and small robotics. It is often chosen for its compact design and low power consumption, making it ideal for space-constrained applications that require reliable motor control.

Package

The A3908EEETR-T is a part of the A3908 series by Allegro MicroSystems and comes in a 16-lead TSSOP (Thin Shrink Small Outline Package) with exposed thermal pad for enhanced heat dissipation, denoted by "T". The package is designed for compact applications and efficient thermal management.

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