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NXP USA Inc. PCA9617ADPJ Environmental and export classification status description

The PCA9617 is a dual bidirectional I2C-bus and SMBus buffer with an ultra-low bus capacitance. It supports communication between I2C devices at differing voltage levels and buffer signals in order to extend the bus capacitance and improve signal integrity over longer distances. Functions 1. Bidirectional Buffering: The PCA9617 allows for bidirectional signal transmission between I2C buses. 2. Level Shifting: The device can interface between devices operating at different voltage levels (e.g., 1.8V to 5V). 3. Bus Access Control: Supports a variety of bus configurations and facilitates seamless communication between I2C devices. Applications 1. I2C Bus Extension: Used in applications that require longer distances between I2C devices. 2. Mixed Voltage Systems: Useful in systems where different components operate at different voltage levels. 3. Consumer Electronics: Employed in various consumer electronic devices to manage communication between components. 4. Industrial Control Systems: Used to facilitate communication in industrial applications where I2C communication is prevalent. Alternative Parts 1. PCA9515A: Another I2C bus buffer with different specifications. 2. PCA9516: Offers similar functionality with additional features. 3. TCA9517: A dual bidirectional I2C level shifter with similar characteristics. 4. TCA9406: A level shifter designed for bidirectional communication with high-speed performance. Embedded Modules - Various embedded systems and modules may incorporate the PCA9617 for enhanced I2C communication capabilities. - Modules utilizing I2C for sensor communication, motor control, or display interfaces are typical examples where the PCA9617 can be found. Related Q&A Q1: What is the primary purpose of the PCA9617ADPJ? A1: The primary purpose of the PCA9617ADPJ is to act as a dual bidirectional buffer for the I2C bus, enabling communication between devices operating at different voltage levels while also extending the bus length. Q2: In what situations would you need to use the PCA9617? A2: You would use the PCA9617 in situations where you need to connect I2C devices that operate at different voltage levels or when you need to extend the I2C bus over longer distances without losing signal integrity. Q3: Can the PCA9617 be used in industrial applications? A3: Yes, the PCA9617 can be used in industrial applications where I2C communication is required for connecting sensors, controllers, or other devices across varying voltage levels and longer distances. Q4: What are some alternative components to the PCA9617ADPJ? A4: Some alternative components to the PCA9617 include the PCA9515A, PCA9516, TCA9517, and TCA9406, which provide similar functionalities in terms of I2C buffering and level shifting. Q5: How does the PCA9617 ensure data integrity over long I2C bus lengths? A5: The PCA9617 buffers signals between devices, minimizing bus capacitance and improving signal integrity, which is essential for reliable communication over longer bus lengths in I2C applications.