A3950SLPTR-T

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A3950SLPTR-T

+BOM

IC MOTOR DRIVER 8V-36V 16TSSOP

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Specifications

Attribute Value
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 DMOS
Applications General Purpose
Current-Output 2.8A
Voltage-Supply 8V ~ 36V
Voltage-Load 8V ~ 36V
OperatingTemperature -20°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width) Exposed Pad

Overview

Description

The A3950SLPTR-T is a motor driver integrated circuit (IC) designed by Allegro MicroSystems. It is primarily used in automotive and industrial applications to control DC motors with high precision and efficiency. This device is part of the A3950 series, known for its robust performance in handling motor operations such as speed control and regulation.
Key features of the A3950SLPTR-T include low output voltage drop due to its DMOS full-bridge motor driver design, which enhances power efficiency. It supports PWM (Pulse Width Modulation) for precise motor speed control and offers protection features like thermal shutdown and undervoltage lockout, ensuring reliable operation under various conditions. The IC also includes current limiting capabilities, improving the safety and longevity of the motor it controls.
Packaged in a compact TSSOP, the A3950SLPTR-T is suitable for space-constrained applications. Its versatility and protective features make it a preferred choice for engineers working on compact, high-performance motor control solutions.

Equivalent

The A3950SLPTR-T is a motor driver IC produced by Allegro MicroSystems. Equivalent products may include similar motor driver ICs, such as the Texas Instruments DRV8833 and the ON Semiconductor LV8548MC-AH These alternatives should be evaluated for compatibility with your specific application requirements, including voltage, current ratings, and control interfaces.

Features

The A3950SLPTR-T is a microstepping motor driver from Allegro MicroSystems, designed to drive bipolar stepper motors efficiently. Key features include:
1. Microstepping Capability: Supports full-step, half-step, and microstepping up to 1/16th step, enhancing precision and smoothness of motor operation.

2. Integrated DMOS Outputs: Offers high efficiency and low power dissipation.
3. Programmable Current Control: Allows for adjustable motor current control via a simple resistor, optimizing performance and power consumption.
4. Low RDS(ON): Provides low on-resistance, reducing heat generation and energy loss.
5. Internal PWM Current Control: Uses fixed off-time PWM current regulation, minimizing external component requirements.
6. Protection Features: Includes overcurrent protection (OCP), thermal shutdown, and undervoltage lockout (UVLO) to safeguard against adverse conditions.
7. Compact Package: Available in a surface-mount package, aiding in space-saving designs.
These features make it suitable for applications requiring precise motor control, such as in robotics, 3D printing, and other automated systems.

Pinout

The A3950SLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. It comes in a 16-pin TSSOP package. This IC is designed for use in controlling DC motors, stepper motors, and other inductive loads in various applications.
Key features of the A3950 include:
- It operates over a wide voltage range.
- It provides motor control through PWM (Pulse Width Modulation) for efficient speed regulation.
- Built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
- It supports both forward and reverse rotation of the motor.
The pins are designated for specific functions such as inputs for controlling the motor driver, outputs connected to the motor, power supply connections, and various control and feedback functionalities. Specific pin functions include logic inputs for controlling motor operation, outputs to the motor, power supply pins, and ground connections. For detailed pin configurations and precise functions, referring to the datasheet is recommended.

Manufacturer

The A3950SLPTR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and manufacturing high-performance power and sensing semiconductors. Their products are widely used in automotive, industrial, and consumer applications. Allegro is well-known for its expertise in motor driver ICs, magnetic sensor ICs, and other integrated circuit solutions. The company focuses on providing innovative solutions that enhance the efficiency, safety, and functionality of electronic systems.

Application

The A3950SLPTR-T is a motor driver IC designed for automotive and industrial applications. It is commonly used for controlling DC motors, stepper motors, and actuators. Its applications include electronic throttle control, HVAC systems, window lifters, seat adjusters, and other automotive motor control systems. In industrial settings, it is used for robotics, automated machinery, and conveyor belt systems. The IC provides features like thermal protection, current limiting, and fault diagnostics, making it suitable for environments that require robust and reliable motor control solutions.

Package

The A3950SLPTR-T is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with an exposed pad.

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