A2982ELW-T

Product Overview

Category

A2982ELW-T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for motor control applications.

Characteristics

• A2982ELW-T is a high-performance, dual full-bridge motor driver.
• It is designed to drive bipolar stepper and DC motors.
• The IC operates at a wide voltage range, making it suitable for various applications.
• It offers low power consumption and high efficiency.
• A2982ELW-T incorporates protection features such as thermal shutdown and overcurrent detection.

Package

The A2982ELW-T IC is available in a small outline package (SOP) with 20 pins.

Essence

The essence of A2982ELW-T lies in its ability to provide efficient and reliable motor control in a compact form factor.

Packaging/Quantity

The A2982ELW-T IC is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage Range: 4.5V to 36V
• Output Current: Up to 2A per channel
• Number of Channels: 2
• Control Interface: Parallel
• Thermal Shutdown Protection: Yes
• Overcurrent Detection: Yes

Detailed Pin Configuration

The A2982ELW-T IC has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. IN1 - Input control signal for Channel 1
4. IN2 - Input control signal for Channel 2
5. OUT1A - Output terminal A for Channel 1
6. OUT1B - Output terminal B for Channel 1
7. OUT2A - Output terminal A for Channel 2
8. OUT2B - Output terminal B for Channel 2
9. VREF - Reference voltage input for current control
10. REF - Current reference output
11. SLEEP - Sleep mode control input
12. ENABLE - Enable/disable control input
13. RESET - Reset control input
14. FAULT - Fault detection output
15. VCP - Charge pump capacitor connection
16. CP1 - Charge pump capacitor connection
17. CP2 - Charge pump capacitor connection
18. VBB - Bootstrap supply voltage input
19. BB1 - Bootstrap capacitor connection
20. BB2 - Bootstrap capacitor connection

Functional Features

• Dual full-bridge motor driver capable of driving bipolar stepper and DC motors.
• High efficiency and low power consumption.
• Protection features such as thermal shutdown and overcurrent detection ensure safe operation.
• Parallel control interface simplifies integration into various systems.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for versatile applications.
• Efficient motor control with high output current capability.
• Compact form factor suitable for space-constrained designs.
• Integrated protection features enhance reliability.

Disadvantages

• Limited number of channels (2) may not be sufficient for complex motor control systems requiring more than two motors.
• Lack of built-in communication interfaces may require additional components for advanced control options.

Working Principles

The A2982ELW-T IC utilizes a dual full-bridge configuration to control the direction and speed of motors. It operates by receiving control signals through the input pins (IN1, IN2) and generating corresponding output signals (OUT1A, OUT1B, OUT2A, OUT2B) to drive the connected motor. The reference voltage (VREF) and current reference output (REF) allow for precise current control, ensuring optimal motor performance. The IC also incorporates protection mechanisms such as thermal shutdown and overcurrent detection to safeguard the motor and the IC itself.

Detailed Application Field Plans

The A2982ELW-T IC finds applications in various fields that require motor control, including but not limited to:

1. Robotics: Controlling the movement of robotic arms, legs, or other motorized components.
2. Automotive: Driving various motors in automotive systems, such as power windows, seat adjustments, and HVAC controls.
3. Industrial Automation: Motor control in conveyor belts, assembly line equipment, and industrial machinery.
4. Consumer Electronics: Motorized appliances like printers, scanners, and home automation devices.
5. Medical Devices: Precision motor control in medical equipment such as surgical robots and diagnostic instruments.

Detailed and Complete Alternative Models

• L298N
• DRV8825
• TB6600
• MC33886
• SN754410

These alternative models offer similar functionality and can be considered as substitutes for the A2982ELW-T IC in motor control applications.

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