Isolation
High-voltage isolation for robust and reliable system operation
Our isolation portfolio combines the highest working-voltage and highest reliability to enable extended system lifetime and protection. Explore our isolation portfolio of stand-alone digital isolators, isolated interface ICs, isolated gate drivers, isolated ADCs and amplifiers. We also offer solutions with integrated power to supply your isolated signals with efficient, compact and high-performance isolated power.
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Different by design
Understanding isolation technology
Our isolation technology offers improved robustness and reliability, lower system cost and more scalability in high-voltage designs compared to traditional isolation techniques. Head to our technology page to learn more about our unique approach to isolation technology and see how we’ve been solving isolation challenges for nearly a quarter of a century.
Technical resources
Video series
Build your expertise with TI Precision Labs - Isolation
Check out this comprehensive curriculum of training videos covering everything from essential isolation parameters and certifications, to understanding how to design and troubleshoot with each type of isolation device.
Video series
What is TI's capacitive isolation advantage?
TI’s capacitive isolation technology enables the industry’s highest isolation ratings and longest lifetime reliability. Discover the high performance advantages of capacitive isolation from our high-voltage technology expert.
Certificate
Isolation Certification
Get a quick view of which worldwide industry standards our isolation products meet, including VDE, CSA, TUV, CQC, UL, ATEX and IECEx.
Discover featured applications
Automotive
Maximize EV system reliability and safety, optimize cost and maintain power efficiency using silicon dioxide isolation technology.
Factory automation and control
Isolate intelligent, flexible and efficient factory automation applications that save energy and extend system life.
Grid infrastructure
Increase power efficiency, optimize system cost and improve reliability using silicon dioxide isolation technology.
Motor drives
Maximize motor and power efficiency, optimize system cost and improve reliability using silicon dioxide isolation technology.
Appliances
Maximize power efficiency, optimize system cost and improve reliability in next-generation appliances using silicon dioxide isolation technology.
Medical
Maximize system robustness and reliability while optimizing cost using silicon dioxide isolation technology.
Maximize EV system reliability and safety, optimize cost and maintain power efficiency using silicon dioxide isolation technology.
Our SiO2 isolation technology helps optimize and protect automotive applications with solutions for traction inverters, DC/DC, and OBC. Design forward thinking topologies that increase efficiency and reliability, while achieving top of the line protection by our robust isolation technology.
- Basic and reinforced isolation in a variety of package options
- Extra-wide creepage and clearance packages offering highest working voltage
- AEC-Q100 Certifications
- High CMTI provides low voltage side protection from high switching transients
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-020015 – 4.5-V to 65-V input, compact bias supply with power stage reference design for IGBT/SiC gate drivers
- TIDA-01604 – 98.6% Efficiency, 6.6-kW Totem-Pole PFC Reference Design for HEV/EV Onboard Charger
- TIDA-01513 – Automotive High-Voltage and Isolation Leakage Measurements Reference Design
PRODUCTS
- ISO6741-Q1 – Automotive, general-purpose, quad-channel, 3/1 digital isolator
- SN6501-Q1 – Automotive low-noise, 350-mA, 410-kHz transformer driver for isolated power supplies
- ISO1042-Q1 – Automotive, isolated CAN transceiver with 70-V bus fault protection & flexible data rate
HARDWARE DEVELOPMENT
- SN6501-MULXFMR-EVM – SN6501 transformer driver for isolated power supplies evaluation module
- ISO1042DWEVM – ISO1042DW High Speed, High Performance, Robust EMC Isolated CAN Evaluation Module
TECHNICAL RESOURCES
- Meeting the timing requirements of CAN FD in isolated CAN systems for HEV/EVs – Application brief
- Why signal isolation matters in 48-V HEV/EV systems – Technical article
Isolate intelligent, flexible and efficient factory automation applications that save energy and extend system life.
Our SiO2 isolation technology has a rich history in factory automation applications, providing reliable data and power isolation in critical applications such as PLC, field transmitters, industrial robots, HMI and industrial PC.
- Basic and reinforced isolation in a variety of package options
- Isolated 24-V to 60-V digital input receivers, compliant to IEC 61131-2 Type 1, 2, and 3 characteristics
- IECEx and ATEX certifications
- Functional safety-capable
- Ultra-low power isolation
- 8kV ESD contact meets IEC 61000-4-2 Level 4 requirements
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-01508 – Sub 1-W, 16-Channel, Isolated Digital Input Module Reference Design
- TIDA-01509 – Broken Wire Detection Using An Optical Switch Reference Design
- TIDA-010018 – Isolated power and data interface for low-power applications reference design
PRODUCTS
HARDWARE DEVELOPMENT
- ISO7741DBQEVM – ISO7741DBQ High Speed, Robust EMC Quad-Channel Digital Isolator Evaluation Module
- ISO1212EVM – Evaluation module for the ISO1212 dual-channel isolated digital input receiver
- ISO7041DBQEVM – Evaluation module for the ISO7041 low-power quad-channel digital isolator in the DBQ package
TECHNICAL RESOURCES
- Signal and Power Isolation with 3.3 V / 5 V Input and 12 V / 15 V Output – Application note
- Considerations for Selecting Digital Isolators – Application brief
Increase power efficiency, optimize system cost and improve reliability using silicon dioxide isolation technology.
Our SiO2 isolation technology helps optimize solar inverter, eMeter, EV charging, and protection relay cost while enabling efficient power delivery and a smarter grid that meets global compliance standards for long-term reliability.
- Over 30 million hours of reliability testing proving better lifetime performance and ensuring reliable operation
- Extra-wide creepage and clearance packages offering highest working voltage
- 8kV ESD contact meets IEC 61000-4-2 Level 4 requirements
- Lowest emissions, integrated isolated power solutions to reduce board space and design complexity
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-00892 – Isolated RS-485 With Integrated Signal and Power Reference Design
- TIDA-01230 – Isolated RS-232 With Integrated Signal and Power Reference Design
- TIDA-010036 – One-phase shunt electricity meter reference design using standalone ADCs
PRODUCTS
HARDWARE DEVELOPMENT
- DIGI-ISO-EVM – Universal digital isolator evaluation module
- SN6505BEVM – SN6505B low-noise 1-A transformer driver for isolated power supplies evaluation module (420-kHz CLK)
- ISOW7741DFMEVM – ISOW7741 quad-channel digital isolator with integrated DC-DC converter evaluation module
TECHNICAL RESOURCES
- Low-Emission Designs With ISOW7841 Integrated Signal and Power Isolator (Rev. C) – Application note
- Isolation in solar power converters: Understanding the IEC62109-1 safety standar (Rev. A) – Functional safety information
Maximize motor and power efficiency, optimize system cost and improve reliability using silicon dioxide isolation technology.
Our SiO2 isolation technology provides motor drive applications with high reliability, long lifespan and superior isolation voltage ratings. TI isolation is a proven solution for AC drives, servo drives, CNC, robotics, drones, and e-bikes.
- Reinforced DIN VDE V 0884-11:2017-01 certification
- Over 30 million hours of reliability testing proving better lifetime performance and ensuring reliable operation
- Integrated interlock functionality for IPM applications
- Extra-wide creepage and clearance packages
- Functional safety-capable
- 8kV ESD contact meets IEC 61000-4-2 Level 4 requirements"
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-01349 – IPM Interface Reference Design for Inverters Using Single Package Six Channel Digital Isolator
- TIDA-01599 – TÜV SÜD-assessed safe torque off (STO) reference design for industrial drives (IEC 61800-5-2)
- TIDA-00012 – High Efficiency Isolated CAN & Profibus Interface Reference Design
PRODUCTS
HARDWARE DEVELOPMENT
- ISOUSB211DPEVM – ISOUSB211 High/Full/Low Speed Isolated USB Repeater evaluation module
- DIGI-ISO-EVM – Universal digital isolator evaluation module
TECHNICAL RESOURCES
- Isolation in AC Motor Drives: Understanding the IEC 61800-5-1 Safety Standard (Rev. A) – Functional safety information
- How to Improve Speed and Reliability of Isolated Digital Inputs in Motor Drives – Application brief
Maximize power efficiency, optimize system cost and improve reliability in next-generation appliances using silicon dioxide isolation technology.
Our SiO2 isolation technology helps optimize major appliances, air conditioners, robots and power tools reliability while reducing system cost and design complexity. Simplify motor control, interface signal isolation and power isolation with a large portfolio of isolation solutions.
- Basic and reinforced isolation in a variety of package options
- Ultra-low power isolation
- Over 30 million hours of reliability testing proving better lifetime performance and ensuring reliable operation
- Lowest emissions, integrated isolated power solutions to reduce board space and design complexity
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-01420 – Basic Isolated Three-Phase Compact Power Stage Reference Design for Industrial Drives
- TIDA-010025 – Three-phase inverter reference design for 200-480 VAC drives with opto-emulated input gate drivers
- TIDA-00915 – Three-phase, 1.25-kW, 200-VAC small form factor GaN inverter reference design for integrated drives
PRODUCTS
HARDWARE DEVELOPMENT
- ISO6741DWEVM – ISO67xx general-purpose, triple- or quad-channel digital isolator evaluation module
- ISO6721DEVM – ISO672x general-purpose, dual-channel, digital isolator evaluation module
- ISO1042DWEVM – ISO1042DW High Speed, High Performance, Robust EMC Isolated CAN Evaluation Module
TECHNICAL RESOURCES
Additional technical resource
Maximize system robustness and reliability while optimizing cost using silicon dioxide isolation technology.
Our SiO2 isolation technology enables medical applications with high reliability, long lifespan and superior isolation voltage ratings. Our isolation solutions are used in many types of medical end equipment such as patient monitors, defibrillators, electrocardiograms and surgical equipment.
- IEC 60601-1 certification
- Over 30 million hours of reliability testing proving better lifetime performance and ensuring reliable operation
- 8kV ESD contact meets IEC 61000-4-2 Level 4 requirements
- Lowest emissions, integrated isolated power solutions to reduce board space and design complexity
Featured resources
END-EQUIPMENT / SUB-SYSTEM
REFERENCE DESIGNS
- TIDA-00115 – Low Voltage Brushed Motor System
- TIDA-01349 – IPM Interface Reference Design for Inverters Using Single Package Six Channel Digital Isolator
PRODUCTS
HARDWARE DEVELOPMENT
- ISO7741DBQEVM – ISO7741DBQ High Speed, Robust EMC Quad-Channel Digital Isolator Evaluation Module
- SN6507DGQEVM – SN6507 evaluation module for low-emissions, 500-mA push-pull isolated power supplies
- ISOUSB211DPEVM – ISOUSB211 High/Full/Low Speed Isolated USB Repeater evaluation module
TECHNICAL RESOURCES
Design & development resources
Reference design
98.6% Efficiency, 6.6-kW Totem-Pole PFC Reference Design for HEV/EV Onboard Charger
This reference design functions from a base of silicon carbide (SiC) MOSFETs that are driven by a C2000 microcontroller (MCU) with SiC-isolated gate drivers. The design implements three-phase interleaving and operates in continuous conduction mode (CCM) to achieve a 98.46% efficiency at a 240-V (...)
Reference design
Automotive High-Voltage and Isolation Leakage Measurements Reference Design
The function of this reference design is to monitor the isolation resistance of a high-voltage bus to the chassis ground. Monitoring the isolation strength of coupling devices and components from high voltage to the chassis ground is a necessary feature in HEV’s and EV’s as battery (...)
Reference design
Automotive Reinforced Isolation CAN Reference Design
This reference design is built for isolated CAN communication, which is widely used in automotive environments. In hybrid and electric vehicles (HEV/EVs), a high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and communication channels (...)