Texas Instruments
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SN75471P
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SN75471P

Product Overview

Category

SN75471P belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a motor driver or a power amplifier.

Characteristics

  • High voltage capability
  • Low input current
  • Wide operating temperature range
  • Compact size

Package

SN75471P is available in a 16-pin plastic dual in-line package (PDIP).

Essence

The essence of SN75471P lies in its ability to control and drive motors efficiently.

Packaging/Quantity

SN75471P is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.5V to 36V
  • Output Current: 1A per channel
  • Peak Output Current: 2A per channel
  • Operating Temperature Range: -40°C to +85°C
  • Input Logic Levels: TTL/CMOS compatible

Detailed Pin Configuration

  1. Enable 1
  2. Input 1
  3. Output 1
  4. Ground
  5. Output 2
  6. Input 2
  7. Enable 2
  8. VCC
  9. Motor 1
  10. Motor 2
  11. Sense 1
  12. Sense 2
  13. Sense 3
  14. Sense 4
  15. VCC2
  16. VCC1

Functional Features

  • Dual H-bridge configuration for bidirectional motor control
  • Built-in protection diodes for inductive loads
  • Enable inputs for individual channel control
  • Internal thermal shutdown protection
  • Low power consumption in standby mode

Advantages and Disadvantages

Advantages

  • Versatile motor driver suitable for various applications
  • Robust design with built-in protection features
  • Wide operating voltage range allows compatibility with different power sources
  • Compact size enables integration into space-constrained designs

Disadvantages

  • Limited output current compared to some other motor driver ICs
  • Lack of built-in current sensing functionality

Working Principles

SN75471P operates on the principle of pulse width modulation (PWM) control. It uses a dual H-bridge configuration to control the direction and speed of a motor. By applying appropriate logic signals to the input pins, the IC can drive the connected motor in forward or reverse directions.

Detailed Application Field Plans

SN75471P finds applications in various fields, including:

  1. Robotics: Used to control motors in robotic systems for precise movement.
  2. Automotive: Employed in automotive applications such as power window control and seat adjustment.
  3. Industrial Automation: Utilized in industrial machinery for motor control tasks.
  4. Home Appliances: Integrated into appliances like washing machines and vacuum cleaners for motor control.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN75471P are:

  1. L293D
  2. DRV8833
  3. TB6612FNG
  4. MC33886

These alternatives provide comparable features and can be used as substitutes based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN75471P v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN75471P:

  1. Q: What is SN75471P? A: SN75471P is a quadruple half-H driver integrated circuit (IC) commonly used for driving inductive loads such as motors.

  2. Q: What is the maximum voltage rating of SN75471P? A: The maximum voltage rating of SN75471P is 36 volts.

  3. Q: How many channels does SN75471P have? A: SN75471P has four independent channels, allowing it to control up to four separate loads.

  4. Q: Can SN75471P handle high currents? A: Yes, SN75471P can handle peak output currents of up to 1 ampere per channel.

  5. Q: Is SN75471P compatible with both TTL and CMOS logic levels? A: Yes, SN75471P is designed to be compatible with both TTL and CMOS logic levels.

  6. Q: Does SN75471P have built-in protection features? A: Yes, SN75471P includes built-in thermal shutdown and overcurrent protection to prevent damage to the IC.

  7. Q: Can SN75471P be used for bidirectional motor control? A: Yes, SN75471P supports bidirectional control, making it suitable for applications requiring forward and reverse motor movement.

  8. Q: What is the recommended operating temperature range for SN75471P? A: The recommended operating temperature range for SN75471P is -40°C to +85°C.

  9. Q: Can SN75471P be used with microcontrollers or Arduino boards? A: Yes, SN75471P can be easily interfaced with microcontrollers or Arduino boards using digital input/output pins.

  10. Q: Are there any application examples for SN75471P? A: Yes, SN75471P is commonly used in robotics, motor control circuits, and other applications requiring high-current drive capabilities.

Please note that these answers are general and may vary depending on specific use cases and requirements.