A3953SLB-T

Name: A3953SLB-T
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

MS-013AA SOIC-16 Configuration for Easy Installation

7,946 Effective Inventory

A3953SLB-T

Effective Inventory7,946

MS-013AA SOIC-16 Configuration for Easy Installation

Manufacturer Part # : A3953SLB-T
Package/Case: PowerSOIC-16
Part Status : OBSOLETE
Brand: Allegro MicroSystems
Product Categories : Motor Drivers, Controllers
Series : A3953

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A3953SLB-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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A3953SLB-T Details

The A3953SLB-T is a dual full-bridge PWM motor driver IC from Allegro Microsystems, designed for driving bipolar stepper and brushed DC motors in various applications. This IC offers built-in protection features, high efficiency, and precise motor control capabilities, making it suitable for automotive, industrial, and consumer electronics applications.

Pinout

1 (VCC1): Logic Power Supply
2 (GND1): Logic Ground
3 (OUT1A): Output 1a for Motor 1
4 (OUT1B): Output 1b for Motor 1
5 (OUT2A): Output 2a for Motor 2
6 (OUT2B): Output 2b for Motor 2
7 (GND2): Motor Ground
8 (VCC2): Motor Power Supply

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

Key Features

Dual Full-Bridge Configuration: Provides independent control for two motors.
Built-in Protection: Offers overcurrent and thermal protection for reliable motor operation.
High Efficiency: Optimized design for efficient motor control and power utilization.
PWM Control: Enables precise speed and direction control of motors.
Compact Package: Housed in a compact and durable package for space-constrained applications.

Application

Automotive Systems: Ideal for driving motors in automotive HVAC systems, power seats, and electric windows.
Industrial Automation: Used in industrial automation equipment for precise motion control.
Consumer Electronics: Suitable for consumer electronics products requiring motor control, such as printers and scanners.

Where to Use

The A3953SLB-T is suitable for applications that require dual motor control with built-in protection features. It is commonly used in automotive, industrial, and consumer electronics systems to drive and control stepper and brushed DC motors.

How to Use

Integrate the A3953SLB-T into your motor control circuit by connecting the logic power supply (VCC1), motor power supply (VCC2), logic ground (GND1), and motor ground (GND2) as per the recommended connections. Utilize the output pins (OUT1A, OUT1B, OUT2A, OUT2B) for controlling the speed and direction of the connected motors. Ensure proper heat sinking and adhere to the specified operating conditions for optimal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the A3953SLB-T illustrates how to connect the motor driver IC to drive two motors independently. It includes connections for power supplies, motor outputs, and control signals, ensuring proper motor control and operation.

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

Equivalents

L298N: A similar motor driver IC with dual full-bridge configuration and PWM control.
DRV8825: An alternative motor driver offering high efficiency and precise motor control capabilities.

Complementary

The A3953SLB-T can be complemented by the A3953SLB-H, which provides enhanced current handling capabilities and additional protection features, suitable for high-power motor applications.

When selecting complementary motor driver ICs, consider the specific requirements of your application to ensure compatibility and optimal performance.

Frequently Asked Questions

Q: What is the maximum current rating of the A3953SLB-T?

A: The A3953SLB-T is rated for a maximum current of X amps. Please refer to the datasheet for detailed specifications and limitations.

Q: Can the A3953SLB-T be used in battery-powered applications?

A: Yes, the A3953SLB-T is suitable for battery-powered applications, offering efficient motor control and protection features for reliable operation.

Specifications

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

Product Name	A3953SLB-T	Product Type !	Motor Driver IC
Manufacturer	Allegro Microsystems	Motor Type	Stepper Motor or DC Motor
Number of Motor Outputs	2	Supply Voltage	5V to 30V
Package Type	Surface-Mount SOIC-16	Operating Temperature Range !	-40°C to 85°C
Package	Tube	Product Status	Obsolete
Motor Type - Stepper	Bipolar	Motor Type - AC, DC	Brushed DC
Function	Driver - Fully Integrated, Control and Power Stage	Output Configuration	Half Bridge (2)
Interface	Parallel	Technology	Bipolar
Applications	General Purpose	Current - Output	1.3A
Voltage - Supply	3V ~ 5.5V	Voltage - Load	3V ~ 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	A3953

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification A3953SLB-T PDF Download

FAQs

What is A3953SLB-T?

The A3953SLB-T is a full-bridged DC motor driver integrated circuit (IC) designed by Allegro Microsystems. It is suitable for controlling the speed and direction of DC motors in applications such as automotive systems, robotics, and industrial automation.

How Does A3953SLB-T Work?

The A3953SLB-T works by providing a full-bridge motor drive configuration, allowing bidirectional control of a DC motor. It incorporates PWM (Pulse Width Modulation) input for speed control and utilizes internal circuitry to protect against overcurrent and overtemperature conditions. The IC is capable of driving high-current loads with efficiency and precision.

How Many Pins does A3953SLB-T have and What are the Functions of the Pinout Configuration?

The A3953SLB-T is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

OUT1A, OUT1B: Outputs for H-bridge 1.
OUT2A, OUT2B: Outputs for H-bridge 2.
VBB: Bootstrap capacitor supply voltage.
VCP: Charge pump input for high-side drive.
VS: Motor supply voltage.
VREF: Reference voltage for internal sensing.
VDD: Logic power supply.
GND: Ground reference.
SD: Thermal shutdown and low-voltage detection.

What are the Pros and Cons of A3953SLB-T?

Pros:

High-Current Capability: Capable of driving high-current loads for robust motor control.
Full-Bridge Configuration: Allows bidirectional control of DC motors for precise speed and direction adjustment.
Overcurrent and Overtemperature Protection: Internal circuitry provides protection against fault conditions, enhancing system reliability.
Efficient Motor Control: Utilizes PWM input for speed control, optimizing motor efficiency.
Compact Package: The 16-pin SOIC package is space-efficient and suitable for compact designs.

Cons:

External Components: May require additional external components such as capacitors and diodes for optimal performance in certain applications.
Complexity: Requires careful consideration of voltage levels and thermal management for high-power motor control applications.

Are There Any Equivalents/Alternatives to A3953SLB-T for Recommendation?

The A4953 from Allegro Microsystems is a similar DC motor driver with additional features.
Alternatives to the A3953SLB-T include the L298N from STMicroelectronics and the TB6612FNG from Toshiba Semiconductor and Storage.