A3955SLB-T

Name: A3955SLB-T
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

Lead-free plastic packaging with SOIC-16 form factor

7,663 有效庫存

A3955SLB-T

有效庫存7,663

Lead-free plastic packaging with SOIC-16 form factor

製造商零件號 # : A3955SLB-T
包裝/封裝: 16-PowerSOIC
零件狀態 : OBSOLETE
製造商: Allegro MicroSystems
產品分類 : Motor Drivers, Controllers
系列 : A3955

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服務與包裝

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關於包裝

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例子

捲帶式

剪膠帶

管或託盤

A3955SLB-T 數據表

目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

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A3955SLB-T 詳細說明

Product A3955SLB-T, the microstepping driver, is an essential component for controlling bipolar stepper motors in various applications. Its ability to operate within a voltage range of 3 V to 5.5 V and deliver a peak current output of 1.5 A per phase makes it a versatile and powerful solution for motor control needs. The built-in translator feature of the A3955SLB-T simplifies the process of converting control signals into motor phase currents, ensuring smooth and accurate movement

主要特徵

This is a versatile IC for various motor control applications
It features thermal protection and current sensing for safe and efficient operation
The sleep mode helps to reduce power consumption during idle periods

應用

Reliable performance in EPS systems
Perfect for robotic control systems
Smooth operation in HVAC systems

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Package	Tube	Product Status	Obsolete
Motor Type - Stepper	Bipolar	Function	Driver - Fully Integrated, Control and Power Stage
Output Configuration	Half Bridge (2)	Interface	Parallel
Technology	Bipolar	Step Resolution !	1, 1/2, 1/4, 1/8
Applications	General Purpose	Current - Output	1.5A
Voltage - Supply	4.5V ~ 5.5V	Voltage - Load	4.5V ~ 50V
Operating Temperature !	-20°C ~ 150°C (TJ)	Mounting Type	Surface Mount
Package / Case	16-PowerSOIC (0.295", 7.50mm Width)	Supplier Device Package	16-SOIC
Base Product Number	A3955

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 A3955SLB-T PDF 下載

常見問題解答

What is A3955SLB-T?

The A3955SLB-T is a DMOS full-bridge motor driver IC manufactured by Allegro MicroSystems. It is designed for driving bipolar stepper motors in various applications, such as robotics, industrial automation, and 3D printers.

How Does A3955SLB-T Work?

The A3955SLB-T works by controlling the current flow through the motor windings to accurately drive a stepper motor. It utilizes a full-bridge architecture to provide bidirectional control of the motor current. The driver IC interprets step and direction inputs to move the motor in precise increments, making it suitable for applications that require accurate positioning.

How Many Pins does A3955SLB-T have and What are the Functions of the Pinout Configuration?

The A3955SLB-T is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC: Motor supply voltage pin.
GND: Ground pin.
VREF: Reference voltage for current regulation.
STEP, DIR: Input pins for step and direction control.
A, A': Output pins for one coil of the stepper motor.
B, B': Output pins for the other coil of the stepper motor.
SENSE1, SENSE2: Sense resistor inputs for current sensing.

What are the Pros and Cons of A3955SLB-T?

Pros:

Full-Bridge Configuration: Provides precise bidirectional control of stepper motors.
Current Regulation: Includes built-in current regulation for smooth and reliable motor operation.
Step and Direction Control: Supports simple step and direction inputs for easy integration.
Thermal Shutdown Protection: Features thermal shutdown protection to prevent overheating.
Compact Package: The 20-pin SOIC package offers a space-efficient solution for motor control.

Cons:

Complexity: Requires understanding of stepper motor operation and driver configuration for optimal performance.
Motor Compatibility: May be limited to driving specific types and sizes of stepper motors.
External Components: Some applications may require additional components such as heat sinks or protection circuits.

Are There Any Equivalents/Alternatives to A3955SLB-T for Recommendation?

The DRV8825 from Texas Instruments is a similar full-bridge motor driver with advanced features.
Alternatives to the A3955SLB-T include the L297/L298 combination from STMicroelectronics and the TB6600 from Toshiba.