I2C
IC serial bus protocol speed grades; standard mode: 0.1 / 0.4, fast mode: 1.0 / 3.4 / 5.0 Mbit/s are maximum ratings. Also known as: Inter-Integrated Circuit
See Also: Serial, Serial Communications, LIN, Can bus, ExpressCard, Fieldbus, FireWire, RS-232, RS-485, PCI Express, Serial ATA, Serial Peripheral Interface, SMBus
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Product
Sensor
Grid-EYE
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The Panasonic Grid-EYE® is a type of thermal imaging sensor that can detect the presence of people or objects based on their heat signature. It consists of an 8x8 grid of 64 thermal sensors, which allows it to provide a detailed temperature map of the area being monitored. The built-in lens has a 60 degree viewing angle. The Grid-EYE features compact surface mount design using MEMS thermopile technology and offers digital output (I2C) for thermal presence, direction, and temperature values.
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Product
Evaluation Board
emPower
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SEGGER Microcontroller GmbH & Co. KG
The emPower eval board provides a comprehensive set of SEGGER's middleware products, accelerating the start of any embedded project. SEGGER's embOS real-time operating system is at the heart of the evaluation. Furthermore, evaluation versions of the file system emFile, graphics library emWin, emUSB Host & Device, and TCP/IP stack embOS/IP (including web server demo) enable full use of the available emPower peripherals. emPower also features a J-Link OB, an on-board version of SEGGER's market-leading debug probe J-Link, which includes drag & drop programming and COM-Port support. There are three expansion interfaces to easily connect additional modules. Each connector provides I2C, SPI, UART, GPIO/timer, analog input and power. A display adapter connector enables the connection of small TFT displays. The emPower board is powered by USB only. Current consumption drawn strongly depends on the application and connected peripherals. Idle consumption is approx. 85 mA.
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Product
Electrical Interface
QSFP-DD 200G
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Eoptolink Technology Inc., Ltd.
QSFP-DD 200G Eoptolink’s EOLD-162HG-E-10-1 QSFP-DD CWDM4, 8x25G Optical transceiver module are designed for use in 200 Gigabit links over 10km singlemode fiber. They are compliant with the QSFP-DD MSA. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP-DD MSA.
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Product
Integrated Board Power Management Functions For The Forward Thinking Engineer
Power Manager II
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*Up to 12 differential voltage sensors with immunity to noise on ground plane*Voltage trimming to within 1%*Ruggedized CPLD with up to 48 macrocells for sequencing and supervisory signal logic*Large operating power supply range (3.3 V + 20% to 3.3 V -15%)*Up to 4 High-Voltage MOSFET Driver Outputs*Voltage Measurement with 10-bit ADC through I2C*Up to 8 On-chip DACs for Margining and Trimming
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Product
Sensor Boards
SensorXplorer™
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Each sensor board can be used together with the SensorXplorer board.The SensorXplorer boards acts as a USB to I2C interface between Vishay's freely available software modules and the sensor boards. The sensor boards also have test pins for the I2C interface, allowing you to connect them to your own platform.
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Product
SparkFun Spectral Sensor Breakout
AS7262 Visible (Qwiic)
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The SparkFun AS7262 Visible Spectral Sensor Breakout brings spectroscopy to the palm of your hand, making it easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS7262 Breakout is unique in its ability to communicate by both an I2C interface and serial interface using AT commands. Hookup is easy, thanks to the Qwiic connectors attached to the board --- simply plug one end of the Qwiic cable into the breakout and the other into one of the Qwiic Shields, then stack the board on a development board. You’ll be ready to upload a sketch to start taking spectroscopy measurements in no time.
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Product
USB-8452, 3.3 MHz I2C, 50 MHz SPI I2C/SPI Interface Device
781964-03
Interface Module
The NI USB‑8452 is a master interface for connecting to and communicating with inter-integrated circuit (I2C) and serial peripheral interface (SPI) devices. With plug‑and‑play USB connectivity, the USB‑8452 is a bus-powered, portable solution to communicate with consumer electronics and integrated circuits. It also includes eight general-purpose digital I/O lines for a variety of applications, such as configuring the address of I2C devices, toggling LEDs, or strobing convert and data ready lines common to analog converter chips. You can physically place the USB‑8452 more closely than PCI interfaces to I2C/SPI devices, which reduces I2C bus length and minimizes noise problems. Additionally, the interface provides +5 V and GND to power circuits with no external power supply.
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Product
Proximity, Light, RGB, and Gesture Sensor
APDS9960
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Add basic gesture sensing, RGB color sensing, proximity sensing, or ambient light sensing to your project with the Adafruit APDS9960 Proximity, Light, RGB and Gesture Sensor. When connected to your microcontroller (running our library code) it can detect simple gestures (left to right, right to left, up to down, down to up are currently supported), return the amount of red, blue, green, and clear light, or return how close an object is to the front of the sensor. This device uses an I2C interface so it's easy to wire up and use.
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Product
In-Circuit Programmer/Loader
SKU-018-01
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The In-Circuit Programmer/Loader (“EasyLoader” or “eLoader”) is a standalone device that was designed to provide a flexible and cost-effective solution for electronic device manufacturers, as well as for hardware design companies and their customers. It allows you to upgrade code on any JTAG/SPI/I2C compliant device (like FPGA/CPLD/EEprom/Flash, etc.) or Microcontrollers at any time of development, testing or production.
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Product
Environment click
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Environment click measures temperature, relative humidity, pressure and VOC (Volatile Organic compounds gases). The click carries the BME680 environmental sensor from Bosch. Environment click is designed to run on a 3.3V power supply. It communicates with the target microcontroller over SPI or I2C interface.
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Product
I2C High Speed Interface for USB
telos Tracii XL
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telos EDV Systementwicklung GmbH
Tracii XL is the outstanding I2C Adapter featuring the I2C high-speed specification running the I2C bus with up to 2 Mbit/s. Additionally Tracii XL can work as an I2C monitor.
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Product
Voltage Output D/A Converters
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Analog Devices offers a large family of resistor string and R-2R voltage output (VOUT) D/A converters (DACs). From 8 bits up to 20 bits of resolution, single to 40 channels, integrated or external reference, parallel, LVDS, serial SPI or I2C interface, with high temperature operation, we have a D/A converter to suit your application. We provide precision, buffered, and unbuffered rail-to-rail VOUT D/A converters with up to ±1 LSB INL and DNL specifications and excellent offset and gain error. Our D/A converters work well in a wide variety of open-loop or closed-loop systems—adjusting gain, offset, and many other signals.
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Product
USB-8451, 250 kHz I2C, 12 MHz SPI I2C/SPI Interface Device
779553-50
Interface Module
The NI USB‑8451 is a master interface for connecting to and communicating with inter-integrated circuit (I2C), System Management Bus (SMBus), and serial peripheral interface (SPI) devices. With plug‑and‑play USB connectivity, the USB‑8451 is a portable solution to communicate with consumer electronics and integrated circuits. It also includes eight general-purpose digital I/O lines for a variety of applications, such as configuring the address of I2C devices or toggling LEDs. The USB‑8451 can be physically located more closely to I2C/SPI devices than PCI interfaces, reducing I2C bus length and minimizing noise problems. Additionally, the interface provides +5 V and GND to power circuits with no external power supply.
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Product
SparkFun Distance Sensor Breakout
4 Meter, VL53L1X (Qwiic)
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This SparkFun Distance Sensor Breakout utilizes the VL53L1X next generation ToF (Time of Flight) sensor module to give you the highly accurate measurements at long ranges for its size. The VL53L1X from STMicroelectronics uses a VCSEL (Vertical Cavity Surface Emitting Laser) to emit an Infrared laser to time the reflection to the target. That means that you will be able to measure the distance to an object from 40mm to 4m away with millimeter resolution! 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.
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Product
High Speed Digital Analog
ITA
The Automatic Test Equipment is designed to provide R&D and the Production floor with a high quality, reliable and easy to use Test Station comprised of COTS equipment from industry leading instrument manufactures. The measurement switching has low thermal offset allowing for micro volt measurements. The switching also accommodates both stimulus and measurement up to 5 Amps. Also to provide High Speed and Static Digital Stimulus and Response that covers LVDS, 3.3V, TTL, CMOS and Industrial logic families. For Serial communications there are SPI, I2C, RS232/485, USB and Ethernet. The system has nine programmable DC power supplies that are capable of powering both the UUT and the UUT interface separately. The system can interface with a variety of UUT’s via an ITA. Each system comes with the Imperial Test Executive, National Instruments TestStand, CVI, LabView and .NET Runtime.
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Product
I2C Isolators
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Analog Devices’ family of isolated I2C isolators support a complete isolated I2C interface. This portfolio is based on our iCoupler® chip scale transformer technology. iCoupler is a magnetic isolation technology with functional, performance, size, and power consumption advantages compared to optocouplers. By integrating iCoupler channels with semiconductor circuitry, our technology enables a complete, isolated I2C interface with a small form factor. Our I2C isolators covers applications such as central office switching, networking, and power over Ethernet.
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Product
High Flexibility Test Controller Card
TCC 1800-UE
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The TCC1800-UE Test Controller Card is a generic control board for production testing of printed circuit boards (PCBs). The board is controlled by a command language on a PC to which it is connected via Ethernet.The TCC1800-UE is designed to work with positive voltages up to 24V. The card provides extensive IO: Analog and digital interfacing, counters, PWM outputs, bidirectional I/O, ethernet-, CAN, USB, SPI and I2C interfacing.
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Product
SIMRC - 8 x 4 Matrix 1-Pole Screened Relay
1030-R-8-4-1RF-5/1D
Matrix Switch Module
Our small format embedded switching (SIM relay) cards offer a choice of switching configurations using low cost industry standard SIM connectors. They free the designer from the detail of routing complex switching circuits, you may select from a wide range of cards using the built in RS-232 and I2C interfaces. These low-cost embedded switching cards are intended to be mounted on to a simple motherboard. They may be used to construct very high density switching networks. SIM based switching cards also allow for very simple in-field maintenance.
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Product
Mission Processor
58U91-03
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- +28 VDC input- 9 DC outputs at 600 Watts- Provides system EMI per MIL-STD-461- Continuous Background Built-In-Test (BIT)- Temperature monitoring- I2C communication
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Product
SparkFun Human Presence Sensor Breakout
AK9753 (Qwiic)
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This is not your normal Passive Infrared (PIR) sensor! The SparkFun AK9753 Human Presence Sensor Breakout is a Qwiic-enabled, 4-channel Nondispersive Infrared (NDIR) sensor. Each channel has a different field of view, so not only can the AK9753 detect a human, but it can also tell which direction the person is moving. To make it even easier to use this breakout, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have broken out 0.1" spaced pins in case you prefer to use a breadboard.
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Product
ISP Programmer Superpro Is01
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Features:Until now,Support IC manufacturer, pcs devices and keeps growing.1)High speed thanks to the flexible hardware engine. Programming speed adjustable for complicated application environments brought by user target board, length of ISP cable etc.2)Stand-alone and PC-Hosted (USB2.0 High Speed) dual mode;3)Supports ISP programming of devices with I2C, SPI, UART, BDM, MON, MW, JTAG, CAN, ICC, RS232 and any other serial port.4)ATE interface;5)Over-current and ESD protection to protect your equipment;6)DLL and API for easy integration into customers’ system.Hardware Specifications:1) ISP cable integrates I2C, SPI, UART, BDM, MON, MW, JTAG, CAN, ICC, RS232 interfaces。2) VDD (0-5.5V /0.5A) and Vpp (0-15V / 0.2A) lines provided to power the target board and the target devices.3) Cable driver circuit supports target devices of voltage level 1.5-5V and is ESD protected.4) USB 2.0 (high speed) interface for PC hosted mode and management of project files on SD card.5) A 20 Characters x 4 lines LCD and a 6-key keypad are built with it for stand-alone operation. In stand-alone mode project files are stored on the SD card (up to 16GB). The number of the project files is limited only by the capacity of the SD card.6) ATE interface is built for easy external hardware control. 6 lines SEL0-SEL5 are for project selection (maximum 64 files); 2 command lines START and STOP; 3 STATUS lines PASS, FAIL and BUSY. All signals are optical-isolated.7) A universal AC adaptor of DC12V/2A is included for power supply.8)WINDOWS XP/Vista/Win7/Win8/Win10 32/64bit compatibility.Software Specifications:1) Supports almost all devices with ISP interface.2) Supports Jam and Staple files from ACTEL and ALTERA; Direct C files from ACTEL.3) Programming speed selectable (High, Normal and Low) for complicated applications such as different cable lengths, different target load characters.4) Dynamic buffer function. Application examples include device S/N, MAC address, frequency or transducer calibration etc.5) File format on SD: FAT16, FAT32.6) Functions for IP protection: Project security, SD security, batch control, administration management etc. 7) API and DLL provided for easy integration into customers’ system like ICT and ATE.8) Software provides the features for multiple units to work concurrently controlled by USB HUB.Applications:1)R&D application like in-circuit test and debug.2)Volume production. Devices may be programmed after the board is fully assembled. One example is the serial number writing to an on-board serial device.3)Field application. Comes with portability, stand-alone mode and mobile data storage media (SD card), it is suitable for field test, debug and data acquisition.4)Third application modules. Friend s/w interface (DLL and Virtual Com communication command set) and h/w interface ( ATE and USB) are provided and make it very easy for customers to integrate ISP01 as a functional module into their systems. One example is the ICT equipment. With this integration user can finish in-circuit test and in-circuit programming in one step.
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Product
I2C Bus Monitor
Model JI-210
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The JI-210 is a PC hosted I2C bus monitor used to non-invasivelymonitor and analyze a variety of I2C networks. The desktop unitcaptures and stores up to 32KBs of bus activity including data andaddress values, stop/start, read/write, ACK/NACK, and frame errorevents. Data is displayed as both I2C messages and TimingWaveforms. A Windows software application manages capturedI2C messages, trigger setup, and recording settings.
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Product
I2C Protocol Analyzer
EasyI2C
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It's simple to find an I2C-style bus within arm's reach. Every computer, monitor, television and cell phone has it. Most microcontrollers directly support this protocol as well. Even so, the I2C protocol has many subtle nuances that are hard to grasp and easily forgotten. EasyI2C (TM) helps you to figure out exactly what is happening, without having to examine huge waveform trace capture files or set up complex tests.
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Product
Hall Sensor Board with I2C Interface
050-280
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Version: +24V/60A -24V/60A -5,2V/90A -2V/25A The Hall-Sensor Board is the right accessory for your system in combination with the Elma SysMon. It's possible to measure up to 4 currents and to monitor them with the Elma SysMon 3 Gen.
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Product
SparkFun Qwiic Thermocouple Amplifier
MCP9600 (Screw Terminals)
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The MCP9600 Breakout is a high accuracy Thermocouple Amplifier equipped with an I2C interface, accessed over our Qwiic system. Inside the chip are two temperature sensors, one for the thermocouple itself (the hot junction) and one for the chip itself (the cold junction). As a result, the MCP9600 can read both the ambient temperature and the temperature of whatever you're trying to measure! The MCP9600 can do both with a resolution of 0.0625°C, and an accuracy of ±1.5°C (worst-case). The MCP9600 Thermocouple Amplifier is one of our many Qwiic compatible boards! Simply plug and go. No soldering, no figuring out which is SDA or SCL, and no voltage regulation or translation required!
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Product
Qwiic Connect System
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An ecosystem of I2C sensors, actuators, shields, and cables that make prototyping faster and less prone to error.
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Product
Module Spectrum
nRF52820 Series
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Nordic nRF52820 solutioin features an Arm Cortex-M4 processor with 256 KB Flash and 32 KB RAM. Supports SPI, UART, I2C and USB interfaces
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Product
Temperature & Humidity Sensor Breakout Board
Si7021
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Sensor for Silicon labs has ± 3% relative humidity measurements with a range of 0–80% RH, and ±0.4 °C temperature accuracy at a range of -10 to +85 °C. Great for all of your environmental sensing projects. It uses I2C for data transfer so it works with a wide range of microcontrollers.
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Product
SparkFun Grid-EYE Infrared Array Breakout
AMG8833 (Qwiic)
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Get ready to be able to see like the Predator! The SparkFun Grid-EYE Infrared Array Breakout board is an 8x8 thermopile array, meaning you have a square array of 64 pixels capable of independent temperature detection. It’s like having a thermal camera, just in a lower resolution. To make it even easier to to get your low-resolution infrared image, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.
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Product
I2C Bus Monitor - USB
Model JI-216
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The JI-216 I2C Bus Monitor is a low cost, easy-to-use PC hosted instrument specificallydesigned for troubleshooting and debugging I2C networks. The JI-216''s FPGA basedarchitecture provides for the capture and display of all valid or invalid messages and I2Cbus events. Captured I2C messages are available for display in two modes: real-timestreaming, or triggered. These modes provide optimized data display for either hardwareor software development. The SDA/SCL timing display aids in tracking down and solvinghardware timing problems. JI-216''s broad bandwidth (DC 3.4Mbits/s), wide input signalrange (0 15.0V), and variable signal filtering provides flexibility in monitoring a variety ofI2C bus systems. An intuitive Windows application manages instrument setup andcontrol. Communications and unit power is provided via a USB 2.0 link.





























