SN75451BDR

Product Overview

Category

SN75451BDR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a quadruple high-current half-H driver. It is designed to drive inductive loads such as relays, solenoids, and DC motors.

Characteristics

• Quadruple high-current half-H driver
• Designed for inductive load driving
• High output current capability
• Wide operating voltage range
• Thermal shutdown protection
• Short-circuit protection

Package

SN75451BDR is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of SN75451BDR lies in its ability to provide high-current drive to inductive loads while offering protection against thermal shutdown and short-circuits.

Packaging/Quantity

SN75451BDR is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

• Operating Voltage Range: 4.5V to 36V
• Output Current (per channel): 1A
• Peak Output Current (per channel): 2A
• Low-level Input Voltage: -0.3V to 1.5V
• High-level Input Voltage: 2.3V to VCC + 0.3V
• Operating Temperature Range: -40°C to 85°C

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. Output 3
10. Input 3
11. Enable 3
12. Output 4
13. Input 4
14. Enable 4
15. VCC
16. Ground

Functional Features

• Quadruple half-H driver configuration
• Independent enable inputs for each channel
• High output current capability for driving inductive loads
• Protection against thermal shutdown and short-circuits
• Wide operating voltage range allows compatibility with various systems

Advantages

• Provides high-current drive to inductive loads
• Offers protection against thermal shutdown and short-circuits
• Versatile operating voltage range
• Compact package size

Disadvantages

• Limited output current compared to some other ICs in the same category
• May require additional external components for certain applications

Working Principles

SN75451BDR operates by receiving input signals and controlling the flow of current through its output channels. The enable inputs allow independent control of each channel, while the internal circuitry ensures protection against thermal shutdown and short-circuits.

Detailed Application Field Plans

SN75451BDR finds application in various fields where high-current drive to inductive loads is required. Some common application areas include:

1. Robotics: Controlling motors and actuators in robotic systems.
2. Automotive: Driving relays and solenoids in automotive applications.
3. Industrial Automation: Operating valves, pumps, and other industrial equipment.
4. Home Appliances: Controlling motors in appliances such as washing machines and vacuum cleaners.

Detailed and Complete Alternative Models

1. L293D: Similar quadruple half-H driver IC with higher output current capability.
2. DRV8833: Dual H-bridge motor driver IC with integrated current sensing.
3. TB6612FNG: Dual motor driver IC with low voltage operation and built-in protection features.

(Note: This list is not exhaustive and there are several alternative models available in the market.)

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