A4955GESTR-T

Product Overview

Category

A4955GESTR-T belongs to the category of integrated circuits (ICs) specifically designed for motor control applications.

Use

This product is primarily used for controlling and driving various types of motors, such as brushed DC motors and stepper motors.

Characteristics

• Integrated circuit designed for motor control
• High-performance and efficient motor control capabilities
• Compact size and low power consumption
• Wide operating voltage range
• Built-in protection features for enhanced reliability

Package

A4955GESTR-T is available in a small surface-mount package, which allows for easy integration onto printed circuit boards (PCBs).

Essence

The essence of A4955GESTR-T lies in its ability to provide precise and reliable control over motor movements, enabling smooth and efficient operation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage Range: 7V to 50V
• Output Current: Up to 3.5A
• Number of Outputs: 1
• Control Interface: PWM (Pulse Width Modulation)
• Thermal Shutdown Protection: Yes
• Overcurrent Protection: Yes
• Under Voltage Lockout: Yes

Detailed Pin Configuration

The pin configuration of A4955GESTR-T is as follows:

1. VBB - Motor supply voltage
2. GND - Ground reference
3. OUT - Motor output
4. IN1 - Input 1
5. IN2 - Input 2
6. VREF - Reference voltage for current control
7. VCP - Charge pump capacitor connection
8. CP1 - Charge pump capacitor connection
9. CP2 - Charge pump capacitor connection
10. VREG - Internal regulator output
11. VM - Motor supply voltage
12. VCP - Charge pump capacitor connection

Functional Features

• High-efficiency motor control
• Adjustable current limiting
• Forward and reverse motor direction control
• Speed control through PWM input
• Built-in protection against overcurrent and thermal shutdown

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into space-constrained designs
• Wide operating voltage range enables compatibility with various motor types
• Efficient motor control capabilities result in improved performance
• Built-in protection features enhance reliability and prevent damage to the motor and circuitry

Disadvantages

• Limited output current may not be suitable for high-power motor applications
• Lack of additional control interfaces restricts versatility in certain motor control scenarios

Working Principles

A4955GESTR-T utilizes pulse width modulation (PWM) signals to control the motor speed and direction. By adjusting the duty cycle of the PWM signal, the average voltage applied to the motor can be varied, thereby controlling its speed. The inputs IN1 and IN2 determine the motor direction, while the VREF pin allows for adjustable current limiting.

Detailed Application Field Plans

A4955GESTR-T finds applications in various fields, including: - Robotics - Automotive systems - Industrial automation - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to A4955GESTR-T are: - L298N - DRV8825 - TB6600 - MC33887

These alternative models provide comparable motor control capabilities and can be considered as substitutes for A4955GESTR-T in different applications.

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