{"id":805,"date":"2021-10-01T05:09:15","date_gmt":"2021-10-01T05:09:15","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=805"},"modified":"2026-10-19T12:01:43","modified_gmt":"2026-10-19T04:01:43","slug":"history-of-switch-mode-power-supplies-smps","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/","title":{"rendered":"Geschichte der Schaltnetzteile (SMPS)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhaltsverzeichnis<\/p>\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;\">Umschalten<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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>\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.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/#Ower_Supplies_%E2%80%93_just_how_far_have_we_come\" >Stromversorgungen \u2013 wie weit sind wir gekommen?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/#Technological_Advancement\" >Technologischer Fortschritt?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/#Calculating_Power\" >Berechnung der Leistung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/#Cooling_Off_in_the_70s_and_80s\" >Abk\u00fchlung in den 70ern und 80ern?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/#EU_Shakeup\" >EU-Umstrukturierung<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Ower_Supplies_%E2%80%93_just_how_far_have_we_come\"><\/span>Stromversorgungen \u2013 wie weit sind wir gekommen?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-809\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-scaled.jpg?quality=85&#038;strip=all\" alt=\"Geschichte der Schaltnetzteile (SMPS) title=\" width=\"800\" height=\"426\" history of switch mode power supplies title=\"\" srcset=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-scaled.jpg 2560w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-300x160.jpg 300w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-1024x546.jpg 1024w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-768x409.jpg 768w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-1536x818.jpg 1536w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-2048x1091.jpg 2048w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/History-Of-Switch-Mode-Power-Supplies-SMPS-1568x836.jpg 1568w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Switch-mode power supply technology has developed over the years, particularly in efficiency and power density. More compact power conversion can help equipment designers make better use of limited enclosure space.<\/p>\n<p>Compare power density using the exact model, operating load and thermal conditions rather than transferring the rating of one historical product to another.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Technological_Advancement\"><\/span>Technologischer Fortschritt?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Early switch-mode power-supply development in the 1950s involved both vacuum-tube and transistor-based concepts. Rather than assigning a single first invention, this overview follows the technical move toward smaller and more efficient power conversion.<\/p>\n<p>Mit diesem Zustrom an technologischem Fortschritt konnten Designer pl\u00f6tzlich aus mehreren Komponenten und mehreren Herstellern ausw\u00e4hlen, was ihnen eine beispiellose Anzahl von Optionen und m\u00f6glicherweise bahnbrechenden Designs er\u00f6ffnete.<\/p>\n<p>Der Schwerpunkt dieser intensiven Entwicklungsphase lag auf dem traditionellen Linearregler \u2013 die kl\u00fcgsten K\u00f6pfe versuchten herauszufinden, wie sie die veraltete Transformator- und Widerstandsmethode zur \u00c4nderung der Eingangsspannung durch ein effizienteres Design ersetzen k\u00f6nnten.<\/p>\n<p>Die Idee, auf die sie kamen, nutzte einen Transistor, um die Eingangsspannung auf einen durchschnittlichen Wert zu zerhacken, der unter dem urspr\u00fcnglichen Eingang liegt (wir haben hier auf der Website eine fantastische Sammlung technischer Artikel, wenn Sie eine detailliertere Beschreibung des SMPS-Betriebs w\u00fcnschen).<\/p>\n<p>Aufgrund der h\u00f6heren Effizienz und des geringeren Bedarfs an magnetischen Materialien war die neue Technologie kleiner, leichter und erzeugte weniger W\u00e4rme.<\/p>\n<p>Wie bei modernen Erfindungen mit diesen Eigenschaften war diese L\u00f6sung aus den 1950er-Jahren f\u00fcr Unternehmen in einer Reihe von Branchen \u00e4u\u00dferst attraktiv \u2013 von der Elektronik \u00fcber die Luft- und Raumfahrt und die Kommunikation bis hin zur Computertechnik gab es eine Flut von Erstanwendern, die alle darum k\u00e4mpften, diese neue Stromversorgungstechnologie optimal zu nutzen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Calculating_Power\"><\/span>Berechnung der Leistung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>During the 1970s, switching power conversion became useful in compact electronic equipment, where reducing power-supply size and weight mattered.<\/p>\n<p>The same design priorities apply to computing equipment: a more efficient power stage can reduce transformer size, heat dissipation and the space required for cooling.<\/p>\n<p>In \u00e4hnlicher Weise begannen auch Luft- und Raumfahrthersteller, die dar\u00fcber nachdachten, wie sie Gewicht und Platz einsparen k\u00f6nnten, nach kundenspezifischen Schaltnetzteilen zu suchen, um wesentlich effizientere Designs zu entwickeln.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cooling_Off_in_the_70s_and_80s\"><\/span>Abk\u00fchlung in den 70ern und 80ern?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Die 1970er Jahre waren ein arbeitsreiches Jahrzehnt, nachdem der erste Durchbruch erzielt worden war und die Innovation in einem sehr respektablen Tempo voranschritt. Mehrere Unternehmen in Gro\u00dfbritannien, den USA und Japan begannen mit der Vermarktung von Standard-Stromversorgungsprodukten.<\/p>\n<p>Claims about who first commercialized the technology vary; this overview does not assign a single originator.<\/p>\n<p>The electronics press of the era featured SMPS articles and advertisements as standard products became more widely available. Open-frame, enclosed and modular designs gave equipment builders alternatives to custom linear power stages.<\/p>\n<p>The adoption of switching power supplies in personal computers helped designers pursue smaller and lighter systems. Cooling still depended on total losses, enclosure conditions and component limits: some designs relied on convection, while others used fans, including fan-cooled ATX-style arrangements.<\/p>\n<p>In the late 1980s and early part of the 1990s, industry-standard 3 x 5\u201d power supplies became available with an auto-ranging input that sensed whether it was connected to 120VAC or 230VAC and adjusted accordingly. These products had powers of 25 \u2013 40W, or 1.66 to 2.66W\/In2<\/p>\n<h3><span class=\"ez-toc-section\" id=\"EU_Shakeup\"><\/span>EU-Umstrukturierung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Als immer mehr Unternehmen in den Markt eintraten, erschienen einige lose Industriestandards rund um g\u00e4ngige Gr\u00f6\u00dfen wie 3\u00d75 Zoll. Die Leistungsdichten begannen sich zu verbessern, da Fortschritte bei Magnetik, Schalttransistoren und Controller-ICs voranschritten. Diese \u00c4nderungen f\u00fchrten zu h\u00f6heren Wirkungsgraden und machten bessere Leistungsdichten m\u00f6glich.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ower Supplies &#8211; just how far have we come? Switch-mode power supply technology has developed over the years, particularly in efficiency and power density. More compact power conversion can help equipment designers make better use of limited enclosure space. Compare power density using the exact model, operating load and thermal conditions rather than transferring the&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/de\/news\/history-of-switch-mode-power-supplies-smps\/\">Lesen Sie weiter <span class=\"screen-reader-text\">Geschichte der Schaltnetzteile (SMPS)<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":809,"parent":0,"menu_order":703,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-805","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-industry-news","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news\/805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/comments?post=805"}],"version-history":[{"count":1,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news\/805\/revisions"}],"predecessor-version":[{"id":19588,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news\/805\/revisions\/19588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/media\/809"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/media?parent=805"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/de\/wp-json\/wp\/v2\/news_category?post=805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}