SN75468DRG4
Product Overview
Category
The SN75468DRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of motor/motion/ignition controllers & drivers.
Use
This product is primarily used as a quadruple half-H driver, designed for use in bidirectional DC motor control applications.
Characteristics
- The SN75468DRG4 features high-voltage outputs, making it suitable for driving various inductive loads.
- It offers built-in diodes for back EMF protection.
- This IC is capable of delivering continuous output currents of up to 1 A per channel.
Package
The SN75468DRG4 is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.
Essence
The essence of this product lies in its ability to provide efficient and reliable control over DC motors in both directions.
Packaging/Quantity
The SN75468DRG4 is typically supplied in reels with a quantity of 2500 units per reel.
Specifications
- Operating Voltage Range: 4.5 V to 36 V
- Continuous Output Current: 1 A per channel
- Peak Output Current: 2 A per channel
- Number of Channels: 4
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The detailed pin configuration of the SN75468DRG4 is as follows:
| Pin No. | Name | Description | |---------|----------|------------------------------| | 1 | 1A | Input for Channel 1 | | 2 | 1Y | Output for Channel 1 | | 3 | GND | Ground | | 4 | 2Y | Output for Channel 2 | | 5 | 2A | Input for Channel 2 | | 6 | VCC1 | Power Supply for Logic Side | | 7 | 3A | Input for Channel 3 | | 8 | 3Y | Output for Channel 3 | | 9 | n.c. | Not connected | | 10 | 4Y | Output for Channel 4 | | 11 | 4A | Input for Channel 4 | | 12 | GND | Ground | | 13 | n.c. | Not connected | | 14 | n.c. | Not connected | | 15 | VCC2 | Power Supply for Motor Side | | 16 | n.c. | Not connected |
Functional Features
- Bidirectional Control: The SN75468DRG4 allows for bidirectional control of DC motors, enabling both forward and reverse motion.
- Built-in Diodes: The integrated diodes provide protection against back EMF generated by inductive loads, enhancing the reliability of the system.
- High-Voltage Outputs: With an operating voltage range of 4.5 V to 36 V, this IC can effectively drive high-voltage loads.
Advantages and Disadvantages
Advantages
- Robust Motor Control: The SN75468DRG4 offers robust and efficient control over DC motors, making it suitable for a wide range of applications.
- Back EMF Protection: The built-in diodes protect the IC and associated components from damage caused by back EMF, ensuring long-term reliability.
Disadvantages
- Limited Current Capacity: While the SN75468DRG4 provides a continuous output current of 1 A per channel, applications requiring higher current levels may necessitate additional circuitry.
Working Principles
The SN75468DRG4 operates by receiving input signals to control the direction and speed of connected DC motors. By modulating the input signals, the IC regulates the output to the motor, enabling precise control over its motion.
Detailed Application Field Plans
The SN75468DRG4 finds extensive application in various fields, including: - Robotics: Used for controlling the movement of robotic arms, wheels, and other motorized components. - Automotive: Employed in automotive systems for tasks such as window control, seat adjustment, and mirror positioning. - Industrial Automation: Integrated into industrial machinery for controlling conveyor belts, actuators, and other motor-driven equipment.
Detailed and Complete Alternative Models
Some alternative models to the SN75468DRG4 include: - L293D: Another popular quadruple half-H driver IC with similar functionality and characteristics. - DRV8833: A dual H-bridge motor driver offering comparable features and performance.
In conclusion, the SN75468DRG4 serves as a versatile and reliable solution for bidirectional DC motor control applications, offering robust performance and essential protection features
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What is the SN75468DRG4?
- The SN75468DRG4 is a quadruple half-H driver designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as well as other high-current/high-voltage loads in positive-supply applications.
What is the maximum voltage and current rating of SN75468DRG4?
- The SN75468DRG4 has a maximum voltage rating of 36V and a continuous output current of 1A per channel.
What are the typical applications of SN75468DRG4?
- Typical applications include motor control, robotics, industrial automation, and any other application requiring high-current switching.
What is the input logic compatibility of SN75468DRG4?
- The SN75468DRG4 is compatible with TTL and CMOS logic levels.
Does SN75468DRG4 have built-in protection features?
- Yes, it includes thermal shutdown and overload protection to prevent damage from excessive heat or current.
Can SN75468DRG4 be used for bidirectional motor control?
- Yes, it can be used for bidirectional control of DC motors and other loads.
What is the operating temperature range of SN75468DRG4?
- The operating temperature range is -40°C to 125°C, making it suitable for a wide range of environments.
Is there a recommended PCB layout for using SN75468DRG4?
- Yes, Texas Instruments provides a recommended layout in the datasheet to ensure proper performance and reliability.
What is the package type of SN75468DRG4?
- It comes in a 16-pin SOIC (Small Outline Integrated Circuit) package.
Are there any known common issues or limitations when using SN75468DRG4?
- One common consideration is the need for external diodes to protect against back EMF from inductive loads, and ensuring proper heat dissipation when driving high currents.