I2C & I3C ICs
Optimize I2C signals, increase system reliability and extend system functionality
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16-bit low-voltage I²C-bus and SMBus I/O expander with interrupt, reset and agile I/O configuration
Approx. price (USD) 1ku | 0.7
Low-voltage 8-bit I²C-bus/SMBus I/O expander with interrupt, reset and agile I/O configuration
Approx. price (USD) 1ku | 0.61
Automotive 16-bit low voltage I²C/SMBus I/O expander w/interrupt, reset and agile I/O configuration
Approx. price (USD) 1ku | 0.77
Why choose our I2C ICs
Enhance your design
Our products offer a variety of features such as multiple channel count, small packages and voltage supply voltage ranges to fit your design needs while meeting I2C requirements.
Achieve secure communication between devices
Features such as level shifting, hot insertion, frequencies ranging from 100 kHz to 12,500 kHz and safety filters enable our devices to provide secure communication.
Reduce your design cost
Our portfolio of l2C and I3C devices are designed to offer reliable solutions that reduce the number of external components and power consumption while saving board space and reducing design cost.
Technical resources
TI Precision Labs training videos
I3C technology training
Understanding the I2C Bus
Discover featured applications
TI’s I2C, I3C and SMBus devices help provide effective data center and enterprise solutions.
- TI’s I2C buffers aide in maintaining signal integrity through features, such as hot insertion/swap, to prevent lockups from occurring.
- Our I2C switches eliminate address bus conflicts often seen in designs with multiple optical modules.
- Our I2C level shifters help resolve voltage-level mismatch on I2C bus devices in data center and enterprise applications with voltage-level translation from .85 V to 5.5 V.
Featured resources
- TIDA-01608 – Isolated Current Sense with Integrated Shunt Resistor and I2C Interface Reference Design
- IO-EXPANDER-EVM – IO-EXPANDER-EVM: I2C and SMBus IO Expander Evaluation Module
- I2C-DESIGNER – I2C designer tool
- PSPICE-FOR-TI – PSpice® for TI design and simulation tool
Optimize efficiency in factory automation and control designs by integrating I2C devices.
- TI’s I2C buffers and cable extenders enable long-distance communication needs as far as 20 m at 400 kHz.
- Our I2C general-purpose input/output (GPIO) expanders allow for up to 24 I/O’s, while also being available in small packages providing cost competitive solutions.
- Our I2C level shifters help resolve voltage-level mismatch on I2C bus devices in factory automation and control designs with voltage-level translation from .85 V to 5.5 V.
Featured resources
- TIDA-060013 – Reference design for I2C range extension: I2C to CAN
- TIDA-00403 – Ultrasonic Distance Measurement using the TLV320AIC3268 miniDSP CODEC Reference Design
- TIDA-00580 – Automotive-Qualified 16-Bit Rotary Quadrature Decoder Reference Design
- IO-EXPANDER-EVM – IO-EXPANDER-EVM: I2C and SMBus IO Expander Evaluation Module
- I2C-DESIGNER – I2C designer tool
- PSPICE-FOR-TI – PSpice® for TI design and simulation tool
Provide faster speeds, stability and reliability in wired networking applications through I2C and I3C devices.
- Our devices include up to I3C -compliant data rates (12.5 MHz), enabling fast communication for wired interface applications such as routers and data center switches.
- Provide stability in your wired networking applications through programmable features found in our devices, such as output drive strength and latch-able interrupts.
- TI’s portfolio of devices has safety features, such as software reset call, hot-swap capability, and stuck bus recovery, that provide reliability for your wired networking designs.
Featured resources
- TIDA-00269 – Gigabit Ethernet link aggregator reference design
- IO-EXPANDER-EVM – IO-EXPANDER-EVM: I2C and SMBus IO Expander Evaluation Module
- I2C-DESIGNER – I2C designer tool
- PSPICE-FOR-TI – PSpice® for TI design and simulation tool