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PCA9546ARGVRG4
Product Overview
- Category: Integrated Circuit (IC)
- Use: I2C and SMBus Multiplexer
- Characteristics: Low voltage, low power consumption, small package size
- Package: VQFN-24
- Essence: Allows multiple I2C or SMBus devices to be controlled by a single host controller
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Voltage Supply: 1.65V to 5.5V
- Operating Temperature: -40°C to 85°C
- I2C Bus Frequency: Up to 400kHz
- SMBus Timeout: 25ms
Detailed Pin Configuration
The PCA9546ARGVRG4 has a total of 24 pins, including SDA, SCL, and control pins for channel selection.
Functional Features
- Allows the system master to enable or disable the I2C/SMBus buffers
- Provides level shifting between the I2C-bus and the SMBus
- Supports hot insertion
- Low standby current consumption
Advantages and Disadvantages
Advantages
- Simplifies I2C bus management in complex systems
- Enables communication with multiple I2C/SMBus devices using a single interface
- Low power consumption
Disadvantages
- Requires careful consideration of addressing and timing in multi-device applications
- Limited to 8 unique addresses when used in conjunction with other I2C devices
Working Principles
The PCA9546ARGVRG4 is designed to enable communication between a single host controller and multiple I2C or SMBus devices. It achieves this by providing a means to select one of eight channels, each connected to a different I2C or SMBus segment.
Detailed Application Field Plans
The PCA9546ARGVRG4 is commonly used in applications where multiple I2C or SMBus devices need to be controlled by a single host controller. This includes: - Industrial automation - Consumer electronics - Automotive systems - Medical devices
Detailed and Complete Alternative Models
- PCA9543APW,8-channel I2C-bus multiplexer with reset
- TCA9548A, 8-channel I2C and SMBus multiplexer with reset
In conclusion, the PCA9546ARGVRG4 is a versatile IC that simplifies I2C bus management in various applications, offering low power consumption and efficient communication with multiple devices. Its compact package and wide operating voltage range make it suitable for diverse electronic systems.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PCA9546ARGVRG4 en soluciones técnicas
What is PCA9546ARGVRG4?
- PCA9546ARGVRG4 is an I2C-bus multiplexer that allows multiple I2C devices to be controlled by a single master device.
How many channels does PCA9546ARGVRG4 have?
- PCA9546ARGVRG4 has 4 channels, allowing it to connect up to 4 different I2C buses.
What is the operating voltage range of PCA9546ARGVRG4?
- The operating voltage range of PCA9546ARGVRG4 is 1.65V to 5.5V.
How does PCA9546ARGVRG4 help in technical solutions?
- PCA9546ARGVRG4 helps in simplifying the design of systems with multiple I2C devices by enabling the control of multiple devices through a single I2C bus.
Can PCA9546ARGVRG4 be used for level shifting?
- Yes, PCA9546ARGVRG4 can be used for level shifting as it supports translating between different voltage levels on its channels.
What is the maximum frequency supported by PCA9546ARGVRG4?
- PCA9546ARGVRG4 supports clock frequencies up to 400kHz.
Is PCA9546ARGVRG4 suitable for applications requiring hot-swapping of I2C devices?
- Yes, PCA9546ARGVRG4 is suitable for hot-swapping applications as it provides bidirectional translation and isolation between the upstream and downstream I2C buses.
Can PCA9546ARGVRG4 be cascaded to expand the number of channels?
- Yes, multiple PCA9546ARGVRG4 devices can be cascaded to expand the number of channels and accommodate more I2C devices.
Does PCA9546ARGVRG4 support power saving features?
- Yes, PCA9546ARGVRG4 supports power saving features such as low standby current consumption, making it suitable for battery-powered applications.
Are there any application notes or reference designs available for using PCA9546ARGVRG4?
- Yes, Texas Instruments provides application notes and reference designs for using PCA9546ARGVRG4 in various technical solutions, which can be found on their website.