Texas Instruments
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SN75468NSRG4
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SN75468NSRG4

Product Overview

Category

The SN75468NSRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of motor/motion/ignition controllers and drivers.

Use

This product is primarily used as a quadruple half-H driver designed for bidirectional control of small DC motors, solenoids, relays, and other inductive loads.

Characteristics

  • Voltage Range: 4.5V to 36V
  • Continuous Output Current: 1A
  • Peak Output Current: 2A
  • Package Type: SOIC (Small Outline Integrated Circuit)
  • Operating Temperature Range: -40°C to 125°C
  • Output Clamp Diodes for Inductive Transient Suppression

Package

The SN75468NSRG4 is available in a 16-pin SOIC package.

Packaging/Quantity

It is typically supplied in reels with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 4.5V to 36V
  • Output Current: 1A continuous, 2A peak
  • Number of Outputs: 4
  • Input Logic Compatibility: TTL/CMOS

Detailed Pin Configuration

The detailed pin configuration of SN75468NSRG4 is as follows: 1. VCC1 2. Input 1A 3. Output 1A 4. Ground 5. Ground 6. Output 2A 7. Input 2A 8. VCC2 9. VCC2 10. Input 3A 11. Output 3A 12. Ground 13. Ground 14. Output 4A 15. Input 4A 16. VCC1

Functional Features

  • Bidirectional Control
  • Built-in Diodes for Inductive Load Suppression
  • Wide Operating Voltage Range
  • Thermal Shutdown Protection

Advantages

  • Versatile use for controlling various inductive loads
  • Wide voltage range allows for flexibility in different applications
  • Built-in diodes provide protection against inductive transients
  • Thermal shutdown feature enhances reliability

Disadvantages

  • Limited to relatively low current applications
  • May require external components for certain applications

Working Principles

The SN75468NSRG4 operates by providing bidirectional control of inductive loads through its four half-H bridge outputs. It utilizes input signals to control the direction and speed of connected motors or other inductive devices. The built-in diodes help suppress inductive transients, while the thermal shutdown feature protects the device from overheating.

Detailed Application Field Plans

The SN75468NSRG4 finds application in various fields such as robotics, automotive systems, industrial automation, and consumer electronics. In robotics, it can be used to control the movement of small DC motors, while in automotive systems, it can be employed for actuating solenoids and controlling small motors. Industrial automation applications may include controlling conveyor belts and other motion systems, and in consumer electronics, it can be utilized for controlling small appliances and gadgets.

Detailed and Complete Alternative Models

Some alternative models to SN75468NSRG4 include L293D, L298N, and DRV8833. These alternatives offer similar functionality and are widely used in the same application areas. However, each model may have specific differences in terms of voltage range, current handling, and package type, which should be considered based on the specific requirements of the application.

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Énumérez 10 questions et réponses courantes liées à l'application de SN75468NSRG4 dans les solutions techniques

  1. What is the SN75468NSRG4?

    • The SN75468NSRG4 is a quadruple half-H driver designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as welljson as other high-current/high-voltage loads in positive-supply applications.

  2. What is the maximum voltage and current rating of SN75468NSRG4?

    • The SN75468NSRG4 can handle a maximum voltage of 36V and a continuous output current of 1A per channel, with a peak output current of 2A per channel.

  3. What are the typical applications of SN75468NSRG4?

    • Typical applications include motor drivers for printers, plotters, and other office equipment; automotive products such as power seats, power mirrors, and windshield wipers; and industrial applications such as conveyor belt controls, factory automation, and robotics.

  4. How many channels does the SN75468NSRG4 have?

    • The SN75468NSRG4 has four independent half-H drivers, allowing it to control up to four separate loads.

  5. What is the operating temperature range of SN75468NSRG4?

    • The SN75468NSRG4 operates within a temperature range of -40°C to 125°C, making it suitable for a wide range of environmental conditions.

  6. Does SN75468NSRG4 require external diodes for inductive load protection?

    • Yes, external freewheeling diodes are required for inductive load protection when using the SN75468NSRG4.

  7. Can SN75468NSRG4 be used in PWM (Pulse Width Modulation) applications?

    • Yes, the SN75468NSRG4 is suitable for PWM applications, allowing precise control of motor speed and direction.

  8. What is the input logic compatibility of SN75468NSRG4?

    • The SN75468NSRG4 is compatible with TTL and CMOS logic levels, making it easy to interface with microcontrollers and other digital control circuits.

  9. Is there built-in thermal shutdown protection in SN75468NSRG4?

    • Yes, the SN75468NSRG4 includes built-in thermal shutdown protection to prevent damage from excessive heat.

  10. What are the key considerations for PCB layout when using SN75468NSRG4?

    • Key considerations include proper grounding, minimizing trace lengths, and providing adequate decoupling capacitors to ensure stable and reliable operation of the SN75468NSRG4.