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PCA9515ADGKR

Name: PCA9515ADGKR
Rating: 4.7 (12 reviews)

IC REDRIVER I2C 2CH 8VSSOP

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規格

Part Status	Not For New Designs
Type	Buffer, ReDriver
Applications	I2C
Input	2-Wire Bus
Output	2-Wire Bus
Data Rate (Max)	400kHz
Number of Channels	2
Capacitance - Input	7 pF
Voltage - Supply	2.3V ~ 3.6V
Current - Supply	500µA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
Base Product Number	PCA9515

概述

Description

The PCA9515ADGKR is a bi-directional I²C bus and SMBus buffer designed to extend the range of I²C communications while allowing for higher bus capacitance. It supports a data rate of up to 1 MHz and is capable of isolating two I²C buses, enabling different voltage levels and pulling strengths on each side. This device offers 5V and 3.3V compatibility, making it suitable for interfacing between various logic levels.
Key features include low power consumption, a high-speed buffer, and mechanisms to prevent bus contention. The PCA9515ADGKR facilitates communication between multiple I²C devices, enhancing system flexibility and robustness in complex designs.
Applications include interfacing microcontrollers with sensors, communication peripherals, and other I²C-compatible devices in industrial, automotive, or consumer electronics. The package type is a TSSOP-8, which is compact and suitable for space-constrained designs.

Features

The PCA9515ADGKR is a 16-channel I2C bus buffer designed to extend the range and improve the signal integrity of I2C communications. Key features include:
1. Voltage Levels: Supports a wide range of bus voltage levels from 1.8V to 5V, making it compatible with various I2C devices.
2. Buffering: Provides bidirectional buffering for the SDA and SCL lines, allowing for multiple I2C bus segments.
3. Noise Immunity: Enhances noise immunity, reducing the risk of signal degradation over long distances.
4. Low Power Consumption: Operates with low power consumption, suitable for battery-powered applications.
5. Fast Mode Support: Supports standard, fast, and fast-mode-plus I2C speeds up to 1 MHz.
6. Built-in Pull-ups: Integrated pull-up resistors simplify circuit design and reduce component count.
7. Active Bus Monitoring: Monitors bus activity, ensuring reliable performance during data transmission.
This component is ideal for applications requiring extended I2C communication while maintaining reliable data integrity.

Package

The PCA9515ADGKR is packaged in a 16-SOIC (Small Outline Integrated Circuit) with a surface mount type. It features a width of 7.5 mm and a height of 1.75 mm.

Pinout

The PCA9515ADGKR is an I2C bus buffer that provides isolation and level shifting between I2C devices operating at different voltage levels. It features 8 pins, which are as follows:
1. VCC - Power supply for the device.
2. GND - Ground.
3. SDA1 - I2C data line for the master (input).
4. SCL1 - I2C clock line for the master (input).
5. SDA2 - I2C data line for the slave (output).
6. SCL2 - I2C clock line for the slave (output).
7. A - Enables the buffer, allowing the connection between SDA1/SCL1 and SDA2/SCL2.
8. B - Another enable pin for further isolation capability.
The PCA9515ADGKR supports up to 400 kHz I2C communication and allows multiple masters on the bus, making it suitable for applications requiring communication between devices with different voltage levels.

Manufacturer

The PCA9515ADGKR is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in the design and manufacturing of a wide range of semiconductor devices, including microcontrollers, processors, and interface solutions. They focus on automotive, security, Internet of Things (IoT), and mobile applications. NXP was formed in 2006 as a spin-off from Philips and has since become one of the leading providers of mixed-signal and digital signal processing solutions. The PCA9515ADGKR is specifically a bidirectional I2C bus buffer, commonly used in applications that require communication between devices over the I2C protocol.

Application

The PCA9515ADGKR is a dual bidirectional I2C bus buffer that is primarily used in applications requiring I2C signal extension and level shifting. It is suitable for connecting multiple I2C devices across different voltage levels, enhancing communication reliability in systems like sensors, microcontrollers, and embedded systems. Typical application areas include industrial automation, consumer electronics, automotive systems, and communication systems, where robust data transmission between devices is essential.

Equivalent

Equivalent products to the PCA9515ADGKR chip include the PCA9515A, PCA9516A, and the PCA9517A. These chips are similar I2C bus buffers and level translators, designed to enhance I2C communication over longer distances or between different voltage levels. Always check the specific datasheets for pin compatibility and electrical characteristics to ensure suitability for your application.