Texas Instruments
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
SN75478P
Zobrazit detail DataSheets

SN75478P

Product Overview

Category

SN75478P belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a motor driver IC.

Characteristics

  • SN75478P is a quadruple half-H driver.
  • It can drive inductive loads such as relays, solenoids, and DC motors.
  • The IC operates on a wide voltage range, typically from 4.5V to 36V.
  • It has built-in protection diodes for inductive kickback.
  • SN75478P offers high output current capability, up to 1A per channel.

Package

The SN75478P comes in a 16-pin plastic dual in-line package (PDIP).

Essence

The essence of SN75478P lies in its ability to control and drive motors efficiently.

Packaging/Quantity

SN75478P is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 4.5V to 36V
  • Output Current: Up to 1A per channel
  • Number of Channels: 4
  • Logic Input Voltage: 0V to Vcc
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of SN75478P is as follows:

```

| | | SN | | 75478P | |___________|

Pin Configuration: 1. Enable 1 2. Input 1A 3. Output 1A 4. Ground 5. Output 2A 6. Input 2A 7. VCC1 8. VCC2 9. Output 3A 10. Input 3A 11. Enable 2 12. Output 4A 13. Input 4A 14. Output 4B 15. Input 4B 16. Enable 3 ```

Functional Features

  • Quadruple half-H driver configuration allows independent control of four motors.
  • Built-in protection diodes prevent damage from inductive kickback.
  • High output current capability enables driving of various types of motors.
  • Enable pins provide the ability to enable or disable individual motor channels.

Advantages and Disadvantages

Advantages

  • Versatile motor driver suitable for a wide range of applications.
  • Robust design with built-in protection features.
  • Can handle high currents, making it suitable for driving larger motors.
  • Independent control of multiple motors.

Disadvantages

  • Limited to driving inductive loads such as motors and relays.
  • Requires external components for proper operation.
  • May require additional circuitry for more advanced motor control functions.

Working Principles

SN75478P operates by receiving logic level inputs that determine the direction and speed of the connected motors. The IC amplifies these signals and drives the corresponding motor channels accordingly. By controlling the input signals, the user can control the rotation direction and speed of the motors.

Detailed Application Field Plans

SN75478P finds applications in various fields, including:

  1. Robotics: Used to control the movement of robotic arms and wheels.
  2. Automation: Employed in industrial automation systems for controlling conveyor belts and actuators.
  3. Automotive: Utilized in automotive applications for controlling window motors, wiper motors, and seat adjustment mechanisms.
  4. Home Appliances: Integrated into appliances like washing machines and dishwashers for motor control.

Detailed and Complete Alternative Models

Some alternative models that serve similar purposes to SN75478P are:

  1. L293D
  2. L298N
  3. DRV8833
  4. TB6612FNG

These alternatives offer similar functionality and can be used as replacements for SN75478P in various motor control applications.

Word count: 511 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN75478P v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN75478P:

  1. Q: What is SN75478P? A: SN75478P is a quadruple half-H driver IC that can be used to control DC motors, stepper motors, solenoids, and other inductive loads.

  2. Q: What is the maximum voltage rating for SN75478P? A: The maximum voltage rating for SN75478P is 36 volts.

  3. Q: How many motors can be controlled using SN75478P? A: SN75478P can control up to four motors independently.

  4. Q: Can SN75478P handle bidirectional motor control? A: Yes, SN75478P supports bidirectional control, allowing motors to rotate in both directions.

  5. Q: What is the maximum current rating for each channel of SN75478P? A: Each channel of SN75478P can handle a maximum continuous current of 1 ampere.

  6. Q: Is it possible to use SN75478P with microcontrollers like Arduino? A: Yes, SN75478P can be easily interfaced with microcontrollers like Arduino using digital I/O pins.

  7. Q: Does SN75478P have built-in protection features? A: Yes, SN75478P has built-in thermal shutdown and overcurrent protection to prevent damage to the IC.

  8. Q: Can SN75478P be used with different logic levels? A: Yes, SN75478P is compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

  9. Q: How do I connect the motors to SN75478P? A: The motors can be connected to the output pins of SN75478P, and the input pins can be connected to the control signals from your microcontroller.

  10. Q: Are there any application examples for SN75478P? A: Yes, SN75478P is commonly used in robotics, automation, motor control circuits, and other projects that require precise control over multiple motors.

Please note that these answers are general and may vary depending on specific circuit requirements and applications.