A3958SB

Product Overview

Category

The A3958SB belongs to the category of integrated circuits (ICs) and is specifically designed as a motor driver.

Use

It is used to control the speed and direction of DC motors in various electronic applications.

Characteristics

• The A3958SB is known for its high efficiency and low power consumption.
• It offers reliable and precise motor control.
• This IC is designed to operate in harsh environments, making it suitable for industrial applications.

Package

The A3958SB is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of the A3958SB lies in its ability to provide efficient and robust motor control in a compact form factor.

Packaging/Quantity

The A3958SB is typically sold in reels containing a specific quantity, usually ranging from 250 to 3000 units per reel.

Specifications

• Operating Voltage: 7V to 50V
• Continuous Output Current: Up to 2.5A
• Peak Output Current: Up to 3.5A
• Operating Temperature Range: -40°C to 150°C
• Control Interface: PWM (Pulse Width Modulation)

Detailed Pin Configuration

1. VBB (Pin 1): Motor supply voltage
2. OUT1A (Pin 2): Output 1A
3. OUT1B (Pin 3): Output 1B
4. GND (Pin 4): Ground
5. OUT2A (Pin 5): Output 2A
6. OUT2B (Pin 6): Output 2B
7. VREF (Pin 7): Reference voltage
8. VCP (Pin 8): Charge pump output
9. VREG (Pin 9): Regulated voltage output
10. N/C (Pin 10): No connection
11. N/C (Pin 11): No connection
12. N/C (Pin 12): No connection
13. N/C (Pin 13): No connection
14. N/C (Pin 14): No connection
15. N/C (Pin 15): No connection
16. N/C (Pin 16): No connection

Functional Features

• PWM Control: Allows precise speed regulation of the connected motor.
• Overcurrent Protection: Safeguards the IC and the motor from damage due to excessive current.
• Thermal Shutdown: Prevents overheating of the IC during prolonged operation.

Advantages

• Compact form factor
• Wide operating voltage range
• Robust performance in harsh environments

Disadvantages

• Limited maximum output current compared to some alternative models
• Higher cost compared to basic motor driver ICs

Working Principles

The A3958SB operates by receiving PWM signals from a microcontroller or other control circuitry, which in turn controls the output stage to regulate the motor's speed and direction. It utilizes internal protection mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

The A3958SB finds extensive use in various applications such as: - Robotics - Industrial automation - Automotive systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the A3958SB include: - L298N - DRV8833 - TB6612FNG

In conclusion, the A3958SB is a versatile motor driver IC that offers efficient and reliable motor control in a compact package. Its wide operating voltage range and robust performance make it well-suited for diverse electronic applications.

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