A3938SLDTR-T

Name: A3938SLDTR-T
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

Brushless DC motor controller

5,479 Effective Inventory

A3938SLDTR-T

Effective Inventory5,479

Brushless DC motor controller

Manufacturer Part # : A3938SLDTR-T
Package/Case: TSSOP-38
Part Status : ACTIVE
Brand: Allegro MicroSystems
Product Categories : Motor Drivers, Controllers
Series : A3938
RoHS:

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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Maintain the goods in their original condition as received.

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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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A3938SLDTR-T DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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A3938SLDTR-T Details

The A3938SLDTR-T is a dual H-bridge motor driver IC from Allegro Microsystems, specifically engineered for driving bipolar stepper motors and DC motors in various applications. With its integrated PWM control, it delivers high efficiency and precise control of motor operations, suitable for robotics, printers, and other motion control systems.

Pinout

1 (VM): Motor Supply Voltage
2 (GND): Ground
3 (PWM A): PWM Control Input for Motor A
4 (AOUT1): Motor A Output 1
5 (AOUT2): Motor A Output 2
6 (PWM B): PWM Control Input for Motor B
7 (BOUT1): Motor B Output 1
8 (BOUT2): Motor B Output 2

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Dual H-Bridge: Capable of controlling two motors simultaneously for complex motion applications.
High Efficiency: Designed for high efficiency operation, minimizing thermal dissipation.
Integrated PWM Control: Provides precise control over motor speed and direction through integrated PWM inputs.
Thermal Protection: Includes built-in thermal shutdown to protect the device from overheating.
Compact Package: Housed in a small QFN package for space-efficient designs.

Application

Robotics: Ideal for driving motors in robotic systems requiring precise control.
3D Printers: Suitable for stepper motor control in 3D printing applications.
Automation: Used in automation systems for efficient motor control and management.

Where to Use

The A3938SLDTR-T is suitable for applications that require efficient control over motors, particularly in robotics, 3D printers, and automated systems. Its dual H-bridge design allows it to manage multiple motors simultaneously, ensuring high performance and reliability.

How to Use

Connect the A3938SLDTR-T to your motor control system by wiring supply voltage to VM and connecting ground to GND. Use the PWM A and PWM B pins to control the motor speed and direction. Connect the output pins (AOUT1, AOUT2, BOUT1, BOUT2) to your motors. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the A3938SLDTR-T displays how to connect the dual H-bridge driver to your motors and control system. This diagram illustrates connections for power supply, ground, and control signals, ensuring proper operation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

A4988: A similar stepper motor driver IC with comparable features.
DRV8825: An alternative motor driver with similar functionality and performance specifications.

Complementary

The A3938SLDTR-T can be complemented by the A4989, which offers additional features such as microstepping capabilities, suitable for applications requiring finer motor control.

When selecting complementary motor drivers, ensure that their specifications align with your specific application requirements for optimal performance.

Frequently Asked Questions

Q: What type of motors can be driven by the A3938SLDTR-T?

A: The A3938SLDTR-T is designed to drive bipolar stepper motors and DC motors, making it versatile for various motor control applications.

Q: Does the A3938SLDTR-T support PWM control?

A: Yes, it supports PWM control for both motors, allowing precise speed and direction adjustments.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Motor / Motion / Ignition Controllers & Drivers	RoHS	Details
Product	Brushless DC Motor Controllers	Type	3 Phase Power MOSFET Controller
Operating Supply Voltage !	18 V to 50 V	Output Current !	50 mA
Operating Supply Current	8 mA	Minimum Operating Temperature	- 20 C
Maximum Operating Temperature !	+ 85 C	Mounting Style	SMD/SMT
Package / Case	TSSOP-38	Brand	Allegro MicroSystems
Load Voltage Rating	50 V	Moisture Sensitive	Yes
Output Voltage	13 V	Product Type !	Motor / Motion / Ignition Controllers & Drivers
Series	A3938	Factory Pack Quantity	4000
Subcategory	PMIC - Power Management ICs