SparkFun Differential I2C Breakout - PCA9615 (Qwiic)
BOB-14589
The SparkFun Differential I2C Breakout is the fastest and easiest way to extend the range of your I2C
communication bus. The breakout uses NXP’s PCA9615 IC, which converts the two default I2C
signals into four differential signals, two for SCL and two for SDA. The differential signals are sent
over an Ethernet cable, which attaches to the breakout through the on-board RJ-45 connectors The
differential signaling allows the I2C signals to reach distances of up to 100ft. while still maintaining
their signal integrity! To make it even easier to get your readings, all communication is enacted
exclusively via I2C, utilizing our handy Qwiic system so no soldering is required to connect it to the
rest of your system. However, we still have broken out 0.1"-spaced pins in case you prefer to use a
breadboard.
The simplicity of the Differential I2C Breakout is one of its biggest appeals. Other I2C communication
methods require packetizing I2C communication into another protocol, be it RS-485 or 1-Wire.
However, the PCA9615 keeps the I2C protocol by utilizing a differential transceiver.
Whether you need to extend the range of an I2C sensor on an autonomous vehicle plagued with
noise from motors or want to create a vast sensor network in your home or office, the Qwiic
Differential I2C Breakout is a great solution to extend distance and reduce noise susceptibility.
The SparkFun Qwiic connect system is an ecosystem of I2C sensors, actuators, shields and cables
that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm
pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized
connections mean you can’t hook it up wrong.
FEATURES
Uses the PCA9615 buffer
I2C Supply voltage range 2.3-5.5V
Differential Supply voltage range 3-5.5V
draws 16µA of current
Extends I2C bus up to 100 feet
Data rate up to 400kHz
2x Qwiic Connectors
https://www.sparkfun.com/products/14589 6‐4‐18
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