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PCA9517ADP,118

Name: PCA9517ADP,118
Rating: 4.7 (12 reviews)

IC REDRIVER I2C 1CH 8TSSOP

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資料表 PCA9517ADP,118 DataSheet
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規格

Part Status	Active
Base Product Number	PCA9517
Type	Buffer, ReDriver
Applications	I2C
Input	2-Wire Bus
Output	2-Wire Bus
Data Rate (Max)	400kHz
Number of Channels	2
Capacitance - Input	6 pF
Voltage - Supply	2.7V ~ 5.5V
Current - Supply	5mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-TSSOP
Packaging	Cut Tape (CT), Tape & Reel (TR)

概述

Description

The PCA9517ADP,118 is a dual bidirectional I²C bus and SMBus buffer that allows for the extension of I²C bus capacitance and distance by isolating segments of the bus. It features a low propagation delay and supports high-speed communication up to 1 MHz. The device operates with a power supply voltage range of 1.8V to 5.5V, making it compatible with a variety of I²C devices across different voltage levels.
Key features include:
- Dual-channel buffering to connect multiple I²C bus segments.
- Bidirectional operation, enabling seamless communication in both directions.
- Built-in pull-up resistors for easier integration into designs.
- Low power consumption, enhancing energy efficiency in applications.
The PCA9517ADP is ideal for applications that require communication over long distances or where multiple I²C devices need to be connected with minimal signal degradation. It is commonly used in consumer electronics, industrial automation, and embedded systems design.

Features

The PCA9517ADP,118 is a dual bidirectional I2C bus buffer designed to extend the I2C bus capacitance and improve signal integrity. Key features include:
1. Dual Channel: Supports two separate I2C buses, allowing for multiple device connections.
2. Voltage Range: Operates with a supply voltage of 1.8V to 5.5V, suitable for various applications.
3. Bidirectional Data Flow: Allows communication in both directions on the I2C bus, maintaining protocol integrity.
4. Low Power Consumption: Designed for minimal power usage, making it suitable for battery-operated devices.
5. High Speed: Supports standard I2C speeds up to 400 kHz.
6. Active Low Enable Pins: Features enable pins to control the buffering and connection of I2C lines.
7. Capacitance Handling: Can connect devices with a total bus capacitance of up to 400 pF.
8. Robust Design: Integrated features like pull-up resistors help manage signal integrity.
These attributes make the PCA9517ADP,118 ideal for extending I2C communication in complex electronic systems.

Package

The PCA9517ADP,118 is provided in a TSSOP (Thin Shrink Small Outline Package) package type, specifically with 20 pins. This package type is known for its compact size and suitability for surface mounting.

Pinout

The PCA9517ADP,118 is a dual bidirectional I²C bus buffer designed to extend the communication distance and improve the performance of I²C systems. It features a total of 8 pins.
Pin Count and Functions:
1. VCC (Pin 1): Power supply (2.3V to 5.5V).
2. GND (Pin 2): Ground.
3. SCL1 (Pin 3): I²C clock input for Bus 1.
4. SDA1 (Pin 4): I²C data input/output for Bus 1.
5. SCL2 (Pin 5): I²C clock output for Bus 2.
6. SDA2 (Pin 6): I²C data output/input for Bus 2.
7. A2 (Pin 7): Address select pin, used for multiple devices.
8. A1 (Pin 8): Address select pin, used for multiple devices.
This device allows for isolation and level shifting between different voltage levels in I²C applications, thus enhancing system flexibility.

Manufacturer

The PCA9517ADP,118 is manufactured by NXP Semiconductors, a global semiconductor company. NXP specializes in designing and providing various semiconductor products, including microcontrollers, processors, and connectivity solutions for automotive, industrial, and consumer applications. The company is known for its focus on innovation in areas like secure connectivity, smart sensing, and advanced processing, catering to diverse markets such as automotive, IoT, and mobile. NXP was formed in 2006 as a spin-off from Philips and has since become a key player in the semiconductor industry, often recognized for its commitment to developing advanced technologies that drive the next generation of electronic devices.

Application

The PCA9517ADP,118 is a dual bidirectional I2C bus buffer used in applications requiring I2C signal extension and level shifting. It is commonly employed in multi-master I2C systems, enhancing bus capacitance and enabling communication between devices with different voltage levels. Typical application areas include consumer electronics, automotive systems, industrial automation, and telecommunications, where reliable data communication between various I2C devices is essential.

Equivalent

The PCA9517ADP,118 is a dual bidirectional I²C bus buffer. Equivalent products include the NXP PCA9517, Texas Instruments TCA9517, and ON Semiconductor NBSG24. Always verify specifications and compatibility for specific applications before substitution.