{"id":510,"date":"2025-04-25T21:01:34","date_gmt":"2025-04-25T13:01:34","guid":{"rendered":"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/"},"modified":"2025-04-27T15:52:08","modified_gmt":"2025-04-27T07:52:08","slug":"infineon-leverages-coreless-transformer-design-in-solid-state-isolators","status":"publish","type":"post","link":"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/","title":{"rendered":"How Infineon Utilizes Coreless Transformer Technology in Solid-State Isolators"},"content":{"rendered":"<div class=\"fsc_text\"><p class=\"\" data-start=\"139\" data-end=\"258\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Infineon Technologies has pioneered the integration of coreless transformer (CT) technology into solid-state isolators (SSIs), enhancing the performance and reliability of solid-state relays (SSRs).<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">This innovation eliminates the need for an isolated bias supply, reduces power dissipation by up to 70%, and offers superior protection features compared to traditional optical-based SSRs.<\/span>\u200b<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<h2 class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/h2>\r\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #023a85;color:#023a85\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #023a85;color:#023a85\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#how_does_coreless_transformer_technology_enhance_solid-state_isolators\" >How Does Coreless Transformer Technology Enhance Solid-State Isolators?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#what_are_the_key_features_of_infineons_coreless_transformer_ssis\" >What Are the Key Features of Infineon&#8217;s Coreless Transformer SSIs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#which_applications_benefit_from_coreless_transformer_ssis\" >Which Applications Benefit from Coreless Transformer SSIs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#why_choose_infineons_coreless_transformer_ssis_over_optical-based_relays\" >Why Choose Infineon&#8217;s Coreless Transformer SSIs Over Optical-Based Relays?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#how_can_engineers_implement_coreless_transformer_ssis_in_their_designs\" >How Can Engineers Implement Coreless Transformer SSIs in Their Designs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#buying_tips\" >Buying Tips<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#electronic_components_expert_views\" >Electronic Components Expert Views<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/#faq\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2 class=\"\" data-start=\"260\" data-end=\"334\"><span class=\"ez-toc-section\" id=\"how_does_coreless_transformer_technology_enhance_solid-state_isolators\"><\/span>How Does Coreless Transformer Technology Enhance Solid-State Isolators?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"336\" data-end=\"531\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Coreless transformer technology enables efficient energy transfer across an isolation barrier without the need for a dedicated voltage supply on the output stage.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">This design simplifies the architecture of SSRs, reduces component count, and improves overall system reliability.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Infineon&#8217;s coreless transformer-based SSIs, such as the ISSI20R03H and ISSI30R12H models, are designed to drive large MOSFETs or IGBTs without additional circuitry on the isolated side.<\/span> \u200b<\/p>\n<h2 class=\"\" data-start=\"533\" data-end=\"602\"><span class=\"ez-toc-section\" id=\"what_are_the_key_features_of_infineons_coreless_transformer_ssis\"><\/span>What Are the Key Features of Infineon&#8217;s Coreless Transformer SSIs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"604\" data-end=\"687\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Infineon&#8217;s coreless transformer SSIs offer several advanced features:<\/span>\u200b<\/p>\n<ul data-start=\"689\" data-end=\"1333\">\n<li class=\"\" data-start=\"689\" data-end=\"845\">\n<p class=\"\" data-start=\"691\" data-end=\"845\"><strong data-start=\"691\" data-end=\"718\">High Galvanic Isolation<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Provides reinforced isolation up to 5.7 kV rms, ensuring safe operation in high-voltage environments.<\/span> \u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"847\" data-end=\"1012\">\n<p class=\"\" data-start=\"849\" data-end=\"1012\"><strong data-start=\"849\" data-end=\"885\">Integrated Protection Mechanisms<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Includes over-current, over-temperature, and Miller clamping protections to safeguard against potential failures.<\/span> \u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1014\" data-end=\"1174\">\n<p class=\"\" data-start=\"1016\" data-end=\"1174\"><strong data-start=\"1016\" data-end=\"1047\">Fast Switching Capabilities<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Achieves rapid turn-on and turn-off times, facilitating high-speed switching applications.<\/span> \u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1176\" data-end=\"1333\">\n<p class=\"\" data-start=\"1178\" data-end=\"1333\"><strong data-start=\"1178\" data-end=\"1206\">Wide Input Voltage Range<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Supports input voltages from 2.6 V to 3.5 V, accommodating various control signal levels.<\/span> \u200b<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"1335\" data-end=\"1396\"><span class=\"ez-toc-section\" id=\"which_applications_benefit_from_coreless_transformer_ssis\"><\/span>Which Applications Benefit from Coreless Transformer SSIs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"1398\" data-end=\"1483\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Coreless transformer SSIs are ideal for applications requiring high-speed switching and robust protection, including:<\/span>\u200b<\/p>\n<ul data-start=\"1485\" data-end=\"1942\">\n<li class=\"\" data-start=\"1485\" data-end=\"1599\">\n<p class=\"\" data-start=\"1487\" data-end=\"1599\"><strong data-start=\"1487\" data-end=\"1512\">Industrial Automation<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Control of motors, actuators, and other heavy machinery.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1601\" data-end=\"1708\">\n<p class=\"\" data-start=\"1603\" data-end=\"1708\"><strong data-start=\"1603\" data-end=\"1621\">Power Supplies<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Regulation and distribution of electrical power in various systems.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1710\" data-end=\"1827\">\n<p class=\"\" data-start=\"1712\" data-end=\"1827\"><strong data-start=\"1712\" data-end=\"1740\">Renewable Energy Systems<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Integration and management of solar and wind energy sources.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1829\" data-end=\"1942\">\n<p class=\"\" data-start=\"1831\" data-end=\"1942\"><strong data-start=\"1831\" data-end=\"1855\">Consumer Electronics<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Enhancement of reliability and performance in household devices.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"1944\" data-end=\"2021\"><span class=\"ez-toc-section\" id=\"why_choose_infineons_coreless_transformer_ssis_over_optical-based_relays\"><\/span>Why Choose Infineon&#8217;s Coreless Transformer SSIs Over Optical-Based Relays?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"2023\" data-end=\"2108\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Compared to traditional optical-based SSRs, Infineon&#8217;s coreless transformer SSIs offer:<\/span>\u200b<\/p>\n<ul data-start=\"2110\" data-end=\"2495\">\n<li class=\"\" data-start=\"2110\" data-end=\"2268\">\n<p class=\"\" data-start=\"2112\" data-end=\"2268\"><strong data-start=\"2112\" data-end=\"2141\">Reduced Power Dissipation<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Lower energy losses lead to more efficient operation.<\/span> \u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2270\" data-end=\"2383\">\n<p class=\"\" data-start=\"2272\" data-end=\"2383\"><strong data-start=\"2272\" data-end=\"2296\">Enhanced Reliability<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Fewer components and no moving parts decrease the likelihood of failure.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2385\" data-end=\"2495\">\n<p class=\"\" data-start=\"2387\" data-end=\"2495\"><strong data-start=\"2387\" data-end=\"2408\">Simplified Design<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Eliminates the need for isolated bias supplies, streamlining system architecture.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2497\" data-end=\"2571\"><span class=\"ez-toc-section\" id=\"how_can_engineers_implement_coreless_transformer_ssis_in_their_designs\"><\/span>How Can Engineers Implement Coreless Transformer SSIs in Their Designs?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"2573\" data-end=\"2658\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Engineers can integrate Infineon&#8217;s coreless transformer SSIs into their designs by:<\/span>\u200b<\/p>\n<ul data-start=\"2660\" data-end=\"3067\">\n<li class=\"\" data-start=\"2660\" data-end=\"2780\">\n<p class=\"\" data-start=\"2662\" data-end=\"2780\"><strong data-start=\"2662\" data-end=\"2693\">Selecting Compatible Models<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Choosing SSIs that match the voltage and current requirements of the application.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2782\" data-end=\"2942\">\n<p class=\"\" data-start=\"2784\" data-end=\"2942\"><strong data-start=\"2784\" data-end=\"2815\">Utilizing Evaluation Boards<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Employing evaluation kits like the EVAL-iSSI30R12H to prototype and test designs.<\/span> \u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2944\" data-end=\"3067\">\n<p class=\"\" data-start=\"2946\" data-end=\"3067\"><strong data-start=\"2946\" data-end=\"2980\">Consulting Technical Resources<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Accessing datasheets, application notes, and reference designs available on Infineon&#8217;s website.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"3069\" data-end=\"3083\"><span class=\"ez-toc-section\" id=\"buying_tips\"><\/span>Buying Tips<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"3085\" data-end=\"3162\">When purchasing Infineon&#8217;s coreless transformer SSIs, consider the following:<\/p>\n<ul data-start=\"3164\" data-end=\"3602\">\n<li class=\"\" data-start=\"3164\" data-end=\"3270\">\n<p class=\"\" data-start=\"3166\" data-end=\"3270\"><strong data-start=\"3166\" data-end=\"3183\">Compatibility<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Ensure the SSI model matches your application&#8217;s voltage and current specifications.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"3272\" data-end=\"3384\">\n<p class=\"\" data-start=\"3274\" data-end=\"3384\"><strong data-start=\"3274\" data-end=\"3297\">Protection Features<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Select models with integrated protections like over-current and over-temperature safeguards.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"3386\" data-end=\"3491\">\n<p class=\"\" data-start=\"3388\" data-end=\"3491\"><strong data-start=\"3388\" data-end=\"3404\">Package Type<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Choose between different package options (e.g., PG-DSO-8 300mil) based on your design&#8217;s space constraints and thermal requirements.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"3493\" data-end=\"3602\">\n<p class=\"\" data-start=\"3495\" data-end=\"3602\"><strong data-start=\"3495\" data-end=\"3515\">Evaluation Tools<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Utilize evaluation boards to prototype and validate your design before full-scale implementation.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"3604\" data-end=\"3729\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Fly-Wing Technology (HK) Co., Limited offers a wide range of Infineon components, including coreless transformer SSIs, at competitive prices.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">With warehouses in Hong Kong and a global supplier network, they provide efficient sourcing solutions for both conventional and hard-to-find parts.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"3731\" data-end=\"3768\"><span class=\"ez-toc-section\" id=\"electronic_components_expert_views\"><\/span>Electronic Components Expert Views<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"3770\" data-end=\"3855\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">&#8220;Infineon&#8217;s coreless transformer SSIs represent a significant advancement in solid-state relay technology, offering higher efficiency and reliability without the complexity of traditional optical-based solutions.&#8221;<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"3857\" data-end=\"3942\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">&#8220;The integration of protection features directly into the SSI simplifies design and enhances system robustness, making them ideal for demanding industrial applications.&#8221;<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"3944\" data-end=\"3950\"><span class=\"ez-toc-section\" id=\"faq\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"3952\" data-end=\"4013\"><strong data-start=\"3952\" data-end=\"4013\">Q: What is a coreless transformer in the context of SSIs?<\/strong><\/p>\n<p class=\"\" data-start=\"4015\" data-end=\"4103\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">A coreless transformer in SSIs is a design that transfers energy across an isolation barrier without the need for a magnetic core, simplifying the architecture and improving efficiency.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"4105\" data-end=\"4177\"><strong data-start=\"4105\" data-end=\"4177\">Q: How do coreless transformer SSIs compare to optical-based relays?<\/strong><\/p>\n<p class=\"\" data-start=\"4179\" data-end=\"4267\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Coreless transformer SSIs offer reduced power dissipation, enhanced reliability, and a simplified design compared to traditional optical-based relays.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"4269\" data-end=\"4343\"><strong data-start=\"4269\" data-end=\"4343\">Q: Can coreless transformer SSIs be used in high-voltage applications?<\/strong><\/p>\n<p class=\"\" data-start=\"4345\" data-end=\"4433\">A: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Yes, Infineon&#8217;s coreless transformer SSIs provide galvanic isolation up to 5.7 kV rms, making them suitable for high-voltage applications.<\/span>\u200b<\/p>\n<p style=\"text-align: start;\"><strong>The new family uses coreless transformer technology to ramp up switching speeds while lowering power dissipation by up to 70%.<\/strong><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff;\">Infineon recently announced a new family of solid-state isolators (iSSI) that leverage a coreless <a href=\"https:\/\/www.flywing-tech.com\/blog\/rambus-improves-ddr5-transfer-speeds-by-50-with-new-rcd\/\">technology to improve device performance<\/a> and efficiency. Let\u2019s take a look at the new family and the inner workings and benefits of solid-state isolators.<\/span><\/p>\n<p><span style=\"color: #000000; background-color: #ffffff;\"> \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><img decoding=\"async\" style=\"width: 50%;\" src=\"https:\/\/file.flywing-tech.com\/res\/article\/2024080609495149513da7e8cc7156526496654ac4d078ad5d8343b.png\" alt=\"\" data-href=\"\" \/><\/p>\n<p style=\"text-align: center;\"><em>Infineon\u2019s coreless transformers. Image used courtesy of<\/em><span style=\"color: #ff7a45;\"><em> Infineon<\/em><\/span><\/p>\n<h2 style=\"text-align: start;\"><\/h2>\n<p style=\"text-align: start;\"><strong>Infineon Unveils New Solid-State Isolators<\/strong><\/p>\n<p style=\"text-align: start;\">Infineon designed its new family of<span style=\"color: #ff7a45;\"> solid-state isolators<\/span> (datasheet linked) to facilitate faster and more reliable circuit switching. The devices offer a suite of protection features that surpass those available in traditional optical-based solid-state relays (SSR), according to the company.<\/p>\n<p style=\"text-align: start;\">For example, the newly introduced solid-state isolators support 20x greater energy transfer than their predecessors. Additionally, these isolators provide 50x lower R<span style=\"font-size: 12px;\"><sub>DS(on)<\/sub><\/span> than existing optically-controlled solutions, enabling their deployment in applications requiring higher voltage and power. Finally, Infineon reports that the iSSIs offer superior performance and reliability over electromagnetic relays by eliminating moving parts, resulting in 40% lower turn-on power.<\/p>\n<p style=\"text-align: start;\"><img decoding=\"async\" style=\"width: 100%;\" src=\"https:\/\/file.flywing-tech.com\/res\/article\/202408060950175017d0e1b8d23ed9fd04ecee14e2e7682428ac876.png\" alt=\"\" data-href=\"\" \/><\/p>\n<p style=\"text-align: center;\"><em>Block diagram of the iSSI20R11H. Image used courtesy of<\/em><span style=\"color: #ff7a45;\"><em> Infineon<\/em><\/span><\/p>\n<h5 style=\"text-align: center;\"><\/h5>\n<p style=\"text-align: start;\">\n<p style=\"text-align: start;\">Infineon states that the new family of iSSIs is compatible with the other products in Infineon\u2019s switching portfolio, including CoolMOS S7, OptiMOS, and linear FET portfolios. When paired with Infineon\u2019s CoolMOS S7 switch, for example, the isolator drivers facilitate switching designs with significantly lower resistance than optically-driven solid-state solutions. This translates into systems with longer lifespans and lower ownership costs. In applications driving the gates of Infineon\u2019s MOS-controlled power transistors, power dissipation can be reduced by up to 70% compared to solid-state relays using silicon-controlled rectifiers (SCR) and Triac switches.<\/p>\n<p style=\"text-align: start;\">Infineon&#8217;s solid-state isolators enable custom solid-state relay configurations that can control loads exceeding 1,000 V and 100 A. This capability, along with the device&#8217;s coreless transformer technology, makes the isolators particularly suited for use in advanced battery management systems, energy storage solutions, renewable energy systems, and industrial and building automation applications.<\/p>\n<h2 style=\"text-align: start;\"><\/h2>\n<p style=\"text-align: start;\"><strong>Solid-State Isolators: A Linchpin in Modern Designs<\/strong><\/p>\n<p style=\"text-align: start;\">Solid-state isolators prevent unwanted electrical current feedback in various systems. These components leverage the properties of solid-state electronics, such as semiconductors, to enable one-way flow of current. This capability is essential in applications ranging from signal processing to power supply design, where maintaining the integrity and isolation of electrical signals is paramount.<\/p>\n<p style=\"text-align: start;\">At the core of solid-state isolators is the principle of electrical isolation through semiconductor materials. Unlike mechanical relays or optoisolators that might use physical movement or light as a means of achieving isolation, solid-state isolators use electronic components that do not require moving parts. This approach significantly enhances reliability and reduces response times. For example, by employing methods such as capacitive or magnetic coupling within a semiconductor substrate, isolators can effectively block high-voltage transients while allowing the desired signal or power flow to pass unimpeded.<\/p>\n<p style=\"text-align: start;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <img decoding=\"async\" style=\"width: 50%;\" src=\"https:\/\/file.flywing-tech.com\/res\/article\/20240806095034503455429f7b7f1031cbea9ef72d040d6eb01b458.png\" alt=\"\" data-href=\"\" \/><\/p>\n<h5 style=\"text-align: center;\"><em>An example of electrical isolation. <\/em><\/h5>\n<h5 style=\"text-align: center;\"><\/h5>\n<p style=\"text-align: start;\">\n<p style=\"text-align: start;\">There are many advantages of solid-state isolators over traditional electro-mechanical relays or optoisolators. First, their lack of moving parts minimizes wear and tear, leading to longer lifespans and higher reliability. They also offer faster response times, which is critical in high-speed signal processing applications. Additionally, solid-state isolators provide better performance in terms of size, energy efficiency, and noise immunity, making them highly suited for miniaturized and sensitive electronic systems.<\/p>\n<p style=\"text-align: start;\">Finally, solid-state isolators enhance safety in electrical systems by providing superior isolation capabilities. This is particularly important in medical devices, industrial control systems, and power grid applications, where protecting sensitive components and human operators from high-voltage transients is crucial. The ability to integrate these isolators into semiconductor chips also aligns with the trend toward more compact and integrated electronic systems.<\/p>\n<p style=\"text-align: start;\"><strong>A Versatile Option for Custom Solid-State Relays<\/strong><\/p>\n<p style=\"text-align: start;\">With its new family of iSSIs, Infineon hopes to provide engineers with tools to support more efficient and performant high-voltage and power designs. Thanks to a coreless transformer design and intentional design compatibility with other Infineon switching products, the new iSSIs can effectively replace reed relays and electro-mechanical relays. Designers can instead combine the iSSIs with a power switch to function as a flexible circuit element for custom solid-state relays.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Infineon Technologies has pioneered the integration of coreless transformer (CT) technology into solid-state isolators (SSIs), enhancing the performance and reliability of solid-state relays (SSRs). This innovation eliminates the need for an isolated bias supply, reduces power dissipation by up to 70%, and offers superior protection features compared to traditional optical-based SSRs.\u200b How Does Coreless Transformer [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":234,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>How Infineon Utilizes Coreless Transformer Technology in Solid-State Isolators - Fly-Wing<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.flywing-tech.com\/blog\/infineon-leverages-coreless-transformer-design-in-solid-state-isolators\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"How Infineon Utilizes Coreless Transformer Technology in Solid-State Isolators - Fly-Wing\" \/>\r\n<meta property=\"og:description\" content=\"Infineon Technologies has pioneered the integration of coreless transformer (CT) technology into solid-state isolators (SSIs), enhancing the performance and reliability of solid-state relays (SSRs). 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