SN75454BPSR
Product Overview
Category
The SN75454BPSR belongs to the category of integrated circuits (ICs) and specifically falls under the family of motor/motion/controllers & drivers.
Use
This IC is primarily used as a quadruple half-H driver designed for bidirectional control of small DC motors or other loads.
Characteristics
- Voltage Range: 4.5V to 36V
- Continuous Output Current: 1A
- Peak Output Current: 2A
- Package Type: PowerSO-20
- Operating Temperature Range: -40°C to 125°C
- Essence: The SN75454BPSR is known for its high efficiency, low power consumption, and robust design.
- Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier.
Specifications
- Supply Voltage: 4.5V to 36V
- Output Current: 1A continuous, 2A peak
- Number of Outputs: 4
- Operating Temperature: -40°C to 125°C
- Package Type: PowerSO-20
Detailed Pin Configuration
The detailed pin configuration of SN75454BPSR is as follows:
| Pin Number | Name | Description | |------------|------------|--------------------------------------------------| | 1 | VCC1 | Motor supply voltage | | 2 | GND1 | Ground for motor supply | | 3 | OUT1 | Output for Motor 1 | | 4 | OUT2 | Output for Motor 2 | | 5 | GND | Ground | | 6 | OUT3 | Output for Motor 3 | | 7 | OUT4 | Output for Motor 4 | | 8 | VCC2 | Logic supply voltage | | 9 | ENABLE | Enable input for all four outputs | | 10 | INPUT1 | Input 1 for Motor 1 | | 11 | INPUT2 | Input 2 for Motor 1 | | 12 | INPUT3 | Input 1 for Motor 2 | | 13 | INPUT4 | Input 2 for Motor 2 | | 14 | INPUT5 | Input 1 for Motor 3 | | 15 | INPUT6 | Input 2 for Motor 3 | | 16 | INPUT7 | Input 1 for Motor 4 | | 17 | INPUT8 | Input 2 for Motor 4 | | 18 | GND2 | Ground for logic supply | | 19 | VCC3 | Internal supply voltage for logic inputs | | 20 | GND3 | Ground for internal logic supply |
Functional Features
- Bidirectional Control: Allows for controlling the direction of rotation of DC motors.
- Overcurrent Protection: Protects the IC and connected components from damage due to excessive current.
- Thermal Shutdown: Prevents overheating of the IC during prolonged operation.
Advantages and Disadvantages
Advantages
- Wide voltage range allows for versatile applications.
- Robust design ensures reliability in demanding environments.
- Built-in protection features enhance safety and longevity.
Disadvantages
- Limited to driving small DC motors due to the 1A continuous output current.
Working Principles
The SN75454BPSR operates by receiving control signals through its input pins and then driving the connected motors based on these signals. It utilizes H-bridge configuration to control the direction and speed of the motors.
Detailed Application Field Plans
The SN75454BPSR finds extensive use in various applications including: - Robotics - Automotive systems - Industrial automation - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to SN75454BPSR include: - L293D - L298N - DRV8833
In conclusion, the SN75454BPSR is a versatile and reliable IC suitable for controlling small DC motors in a wide range of applications.
Word Count: 531
רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של SN75454BPSR בפתרונות טכניים
What is the SN75454BPSR?
- The SN75454BPSR is a quadruple half-H driver designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as wella s other high-current/high-voltage loads in positive-supply applications.
What is the maximum voltage and current rating of the SN75454BPSR?
- The SN75454BPSR can handle a maximum voltage of 36V and a continuous output current of 1A per channel.
How many channels does the SN75454BPSR have?
- The SN75454BPSR has four independent channels, allowing it to control up to four separate loads.
What are the typical applications of the SN75454BPSR?
- Typical applications include driving DC motors, stepper motors, solenoids, relays, and other high-current loads in various industrial and automotive systems.
What is the operating temperature range of the SN75454BPSR?
- The SN75454BPSR can operate within a temperature range of -40°C to 125°C, making it suitable for a wide range of environments.
Does the SN75454BPSR require external components for operation?
- Yes, the SN75454BPSR requires external diodes to protect against back EMF from inductive loads, as well as input protection diodes and capacitors for noise suppression.
Can the SN75454BPSR handle PWM signals for motor speed control?
- Yes, the SN75454BPSR can accept PWM signals for controlling the speed of DC motors and other loads.
Is the SN75454BPSR compatible with microcontrollers and logic devices?
- Yes, the SN75454BPSR is compatible with a wide range of microcontrollers and logic devices, making it suitable for integration into various digital control systems.
What are the key features that make the SN75454BPSR suitable for high-current applications?
- The SN75454BPSR features built-in thermal shutdown and overload protection, as well as high-noise immunity and low power consumption, making it reliable in demanding environments.
Are there any recommended PCB layout guidelines for using the SN75454BPSR?
- Yes, Texas Instruments provides detailed guidelines for PCB layout and thermal management to ensure optimal performance and reliability when using the SN75454BPSR in technical solutions.