A3959SB

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A3959SB

IC MOTOR DRIVER 4.5V-5.5V 24DIP

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  • Ông. Phần #A3959SB
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  • Bảng dữ liệu A3959SB DataSheet
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Thông số kỹ thuật

Part Status Obsolete
Motor Type - AC, DC Brushed DC
Function Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (2)
Interface Parallel
Technology DMOS
Applications General Purpose
Current - Output 3A
Voltage - Supply 4.5V ~ 5.5V
Voltage - Load 9.5V ~ 50V
Operating Temperature -20°C ~ 150°C (TJ)
Mounting Type Through Hole
Package / Case 24-PowerDIP (0.300", 7.62mm)
Supplier Device Package 24-DIP
Base Product Number A3959

Tổng quan

Description

A3959SB is a bipolar junction transistor (BJT) designed primarily for automotive and industrial applications. It is commonly used in switching and amplifier circuits due to its high current gain and robustness. The device typically features a high voltage rating, allowing it to operate effectively in environments with varying conditions.
The A3959SB is characterized by its ability to handle significant power levels, making it suitable for driving loads such as motors or LEDs. Its construction typically includes a metal can package, which aids in heat dissipation and enhances its reliability in demanding applications.
In summary, the A3959SB is a versatile component ideal for applications requiring efficient switching and amplification, particularly in automotive and industrial settings. Proper thermal management and adherence to electrical specifications are essential for optimal performance.

Features

The A3959SB is a dual full-bridge motor driver designed for driving bipolar stepper motors. Key features include:
1. Dual H-Bridge Drivers: Capable of controlling two separate motors or one bipolar stepper motor.
2. Voltage Range: Operates with a supply voltage from 8V to 35V, accommodating various motor configurations.
3. Current Control: Integrated current sensing allows for adjustable output current up to 2A per channel, ensuring efficient motor control.
4. PWM Control: Supports pulse-width modulation (PWM) for fine-tuned speed control and reduced power consumption.
5. Protection Features: Built-in thermal shutdown and overcurrent protection safeguard the device and connected motors from damage.
6. Logic Level Compatibility: Compatible with standard logic levels for easy integration into microcontroller-based systems.
7. Package: Available in a surface-mount package for compact designs.
Overall, the A3959SB is efficient and versatile, making it suitable for various applications, including robotics and automation systems.

Package

The A3959SB is available in a SOIC-16 (Small Outline Integrated Circuit) package type. This surface-mount package features a small footprint, making it suitable for space-constrained applications.

Pinout

The A3959SB is a dual full-bridge motor driver IC designed for driving stepper motors and other inductive loads. It comes in a 28-pin SOIC (Small Outline Integrated Circuit) package.
Pin Count: 28 pins.
Key Functions:
- Motor Control: It controls two H-bridges to drive bi-directional motors.
- PWM Control: Supports PWM for speed control.
- Current Regulation: Features current sensing and regulation for accurate motor control.
- Logic Inputs: Accepts control signals for direction, step, and enable.
- Fault Protection: Includes thermal shutdown and overcurrent protection.
- Power Supply: Operates with a wide supply voltage range.
In summary, the A3959SB effectively manages motor control applications with its versatile pin configuration and integrated functionalities.

Manufacturer

The A3959SB is manufactured by Allegro MicroSystems, LLC. Allegro MicroSystems is a semiconductor company that specializes in designing and manufacturing high-performance integrated circuits and sensors for various applications, including automotive, industrial, and consumer markets. Founded in 1990 and headquartered in Manchester, New Hampshire, Allegro focuses on innovative solutions for power management and motor control, contributing to advancements in electric vehicles, automation, and other technology sectors. The company is known for its commitment to quality, efficiency, and technological advancement, serving a global customer base.

Application

The A3959SB is a dual full-bridge driver designed for controlling bipolar stepper motors in applications such as printers, CNC machines, and robotics. Its features include microstepping capabilities, adjustable current control, and thermal shutdown protection, making it suitable for automotive, industrial automation, and consumer electronics. Additionally, it can be used in robotics and any system requiring precise motor control.

Equivalent

The A3959SB is a dual full-bridge driver for bipolar stepper motors. Equivalent products include the A4988, DRV8825, and L298N drivers. These alternatives also provide stepper motor control but may differ in specifications like voltage, current ratings, and features. Always verify compatibility with your specific application requirements.

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