{"id":39237,"date":"2021-04-07T12:54:21","date_gmt":"2021-04-07T17:54:21","guid":{"rendered":"https:\/\/flex.com\/products\/power-modules\/series\/bmr685"},"modified":"2026-03-19T13:01:37","modified_gmt":"2026-03-19T18:01:37","slug":"bmr685","status":"publish","type":"power-module-series","link":"https:\/\/flex.com\/de\/products\/power-modules\/series\/bmr685","title":{"rendered":"BMR685"},"content":{"rendered":"<div id=\"id-69d9096766527\" class=\"box block full-width dark-content de \" style=\"background-color: transparent; background-image: none;\">\n\t<style>\n\t\t#id-69d9096766527 > .container > .content {\n\t\t\tbackground-color: transparent;\n\t\t\tposition: relative;\n\t\t\tpadding-top: 48px;\n\t\t\tpadding-right: 0px;\n\t\t\tpadding-bottom: 72px;\n\t\t\tpadding-left: 0px;\n\t\t\tmargin-left: 0px;\n\t\t\tmargin-right: 0px;\n\t\t}\n\t\t@media (max-width: 1272px) {\n\t\t\t#id-69d9096766527.box.block.full-width > .container > .content {\n\t\t\t\tpadding-left: 0 !important;\n\t\t\t\tpadding-right: 0 !important;\n\t\t\t\tmargin: 0 !important;\n\t\t\t}\n\t\t}\n\t\t@media (max-width: 960px) {\n\t\t\t#id-69d9096766527 > .container > .content {\n\t\t\t\t\/\/padding-top: 24px;\n\t\t\t\tpadding-right: 0px;\n\t\t\t\t\/\/padding-bottom: 36px;\n\t\t\t\tpadding-left: 0px;\n\t\t\t}\n\t\t}\n\t<\/style>\n\t<div class=\"container\">\n\t\t<div class=\"content\">\n\t\t\t\r\n\r\n<h1 class=\"wp-block-heading\">BMR685<\/h1>\r\n\r\n\r\n<h2 class=\"wp-block-heading no-margin has-medium-font-size\" style=\"font-style: normal; font-weight: 500;\">1300 W half brick digital isolated DC\/DC converter for RF Power Amplifier applications including 5G<\/h2>\r\n\r\n<div class=\"spacer block\" style=\"height: 24px;\">\n\t<\/div>\r\n<div id=\"id_69d909674b072\" class=\"media block\">\n\t<div class=\"container media-right content-top\">\n\t\t<div class=\"media\" style=\"left: 0px; min-width: 384px; max-width: 384px;\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"image none\">\n\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"BMR685 1300W DCDC for RFPA Applications\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2025\/12\/BMR685-1300W-DCDC-for-RFPA-Applications-1200x800.jpg\" title=\"\">\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"content\" style=\"margin-right: 36px; margin-left: 0px;\">\n\t\t\t\t<p>BMR685 is a powerful isolated DC\/DC converter in a half brick format. It is the second family of digital power supplies targeting the RFPA (Radio Frequency Power Amplifier) market. <br \/><br \/>The converter has an output power up to 1300 W (26 A) at 50 V output, and an input range of 36-75 V. <\/p>\n<p>This converter has a high efficiency up to 97% typical at full load and a broad output voltage adjustment range of 25 \u2013 55 V.<\/p>\n<p>The BMR685 series can operate over a temperature range from -40\u00b0C up to +125\u00b0C (hot spot temperature) and offers an MTBF of up to 4.97 million hours.<\/p>\n<p>These converters are primarily aimed at radio frequency power amplifier (RFPA) applications and infrastructure for the 5G telecom market.<\/p>\n<p>Standard protection features for this model include over-voltage, over temperature and short-circuit protection mechanisms. <\/p>\n<p>The BMR685 includes a PMBus<sup>\u00ae <\/sup>interface for digital Configuration, Monitoring and Control, and is supported by our own <a href=\"\/flex-power-designer\">Flex Power Designer tool<\/a>. The product incorporates a wide range of readable and configurable power management features that are simple to implement with a minimum of external components.<br \/><\/p>\n\t\t\t<\/div>\n\t\t\t<\/div>\n\t\n\t<script>\n\t(function () {\n\t\tlet hasRun_id_69d909674b072 = false;\n\t\tfunction updateVideoDisplay_id_69d909674b072() {\n\t\t\tconst youtubeVideoId = \"\";\n\t\t\tconst bynderID = \"\";\n\t\t\tconst mediaType = \"image\";\n\t\t\tconst mediaVideoElement = document.getElementById('media-video-id_69d909674b072');\n\t\t\tconst bodyClass = document.body.className || '';\n\t\t\tconst match = bodyClass.match(\/translatepress-([a-z]{2})(?:_[A-Z]{2})?\/i);\n\t\t\tconst currentLanguage = match ? match[1].toLowerCase() : 'en';\n\t\t\tconst isChineseLang = currentLanguage === 'zh';\n\t\t\tconsole.log('isChineseLang:', isChineseLang);\n\t\t\tconsole.log('Language detected:', currentLanguage);\n\t\t\tconst isValidYouTube = youtubeVideoId && \/^[A-Za-z0-9_-]{11}$\/.test(youtubeVideoId);\n\t\t\t\n\t\t\tif (!mediaVideoElement || mediaType !== \"video\") return;\n\t\t\tmediaVideoElement.innerHTML = ''; 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We appreciate your patience and look forward to sharing it with you soon.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t`;\n\t\t\t\tmediaVideoElement.appendChild(errorDiv);\n\t\t\t}\n\t\t}\n\t\t\n\t\tfunction runVideoInjection() {\n\t\t\tif (hasRun_id_69d909674b072) return;\n\t\t\thasRun_id_69d909674b072 = true;\n\t\t\tupdateVideoDisplay_id_69d909674b072();\n\t\t}\n\t\t\n\t\t\/\/ Always run on front-end\n\t\tif (document.readyState === 'loading') {\n\t\t\tdocument.addEventListener('DOMContentLoaded', runVideoInjection);\n\t\t} else {\n\t\t\trunVideoInjection();\n\t\t}\n\t\t\n\t\t\/\/ Also run in editor if available\n\t\tif (typeof wp !== 'undefined' && wp.domReady) {\n\t\t\twp.domReady(runVideoInjection);\n\t\t}\n\t})();\n\t<\/script>\n\t\n\t<script>\n\t\tdocument.addEventListener('DOMContentLoaded', function () {\n\t\t\t\n\t\t\t\/\/ Get the block element by ID\n\t\t\tvar blockElement = document.getElementById(\"id_69d909674b072\");\n\t\t\tif (!blockElement) return;\n\t\n\t\t\t\/\/ Reveal the block\n\t\t\t(function ($) {\n\t\t\t\tScrollReveal().reveal(blockElement.querySelector(\".container .media\"), {origin: \"bottom\", distance: \"20px\", opacity: 1, duration: 1000});\n\t\t\t\tScrollReveal().reveal(blockElement.querySelector(\".container .content\"), {origin: \"bottom\", distance: \"20px\", opacity: 1, duration: 1000});\n\t\t\t}(jQuery));\n\t\t});\n\t<\/script>\n<\/div>\r\n\r\n<h3 class=\"wp-block-heading\">Series Products<\/h3>\r\n\r\n\n<section data-initialparams=\"meta=series_ref:BMR685&#038;tableOnly=true\" class=\"component-selector wp-block-component-selector-component-selector\">\n    Component Selector Block<\/section>\n\r\n\r\n\n<div class=\"sidebar block series-sidebar\">\n\t<div class=\"container\">\n\t\t<div class=\"content\">\n\t\t\t\r\n\n<section data-series-title=\"BMR685\" class=\"additional-resources wp-block-component-selector-additional-resources\">\n    Additional Resources<\/section>\n\r\n\n\t\t<\/div>\n\t\t<div class=\"sidebar series-column\">\n\t\t\t\t\t\t\t<h3 class=\"wp-block-heading\">Additional insights<\/h3>\n\t\t\t\t<div class=\"posts-wrapper\">\n\t\t\t\t\t\t\t\t\t<div class=\"post\">\n\t\t\t\t\t\t\t\t<a title=\"Meeting 5G&#8217;s power challenges with digital DC\/DCs for RFPA applications\" class=\"image\" href=\"https:\/\/flex.com\/de\/resources\/meeting-5gs-power-challenges-with-digital-dc-dcs-for-rfpa-applications\" target=\"_self\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"Overhead view of downtown city with 5G label overlaying\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2025\/09\/5G-smartphones-e1757709265966-540x304.jpg\" title=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"label\">\n\t\t\t\t\t\t\tBlog\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<a title=\"Meeting 5G&#8217;s power challenges with digital DC\/DCs for RFPA applications\" class=\"title\" href=\"https:\/\/flex.com\/de\/resources\/meeting-5gs-power-challenges-with-digital-dc-dcs-for-rfpa-applications\" target=\"_self\">\n\t\t\t\t\tMeeting 5G&#8217;s power challenges with digital DC\/DCs for RFPA applications\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"post\">\n\t\t\t\t\t\t\t\t<a title=\"Digital DC\/DC delivers 1,300 W for RF Power Amplifier applications\" class=\"image\" href=\"https:\/\/flex.com\/de\/resources\/digital-dc-dc-converter-delivers-1300-w-for-rf-power-amplifier-applications\" target=\"_self\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"BMR685-1300W-DCDC\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2025\/12\/BMR685-1300W-DCDC-for-RFPA-Applications-1-540x304.jpg\" title=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"label\">\n\t\t\t\t\t\t\tNews\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<a title=\"Digital DC\/DC delivers 1,300 W for RF Power Amplifier applications\" class=\"title\" href=\"https:\/\/flex.com\/de\/resources\/digital-dc-dc-converter-delivers-1300-w-for-rf-power-amplifier-applications\" target=\"_self\">\n\t\t\t\t\tDigital DC\/DC delivers 1,300 W for RF Power Amplifier applications\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"post\">\n\t\t\t\t\t\t\t\t<a title=\"Flex Power Modules leverages O-RAN to grow presence in RFPA market\" class=\"image\" href=\"https:\/\/flex.com\/de\/resources\/flex-power-modules-leverages-o-ran-to-grow-presence-in-rfpa-market\" target=\"_self\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"PKM-D-500W\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2025\/12\/PKM-D-500W-Quarter-Brick-for-RFPA-Applications-including-O-RAN-540x304.jpg\" title=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"label\">\n\t\t\t\t\t\t\tNews\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<a title=\"Flex Power Modules leverages O-RAN to grow presence in RFPA market\" class=\"title\" href=\"https:\/\/flex.com\/de\/resources\/flex-power-modules-leverages-o-ran-to-grow-presence-in-rfpa-market\" target=\"_self\">\n\t\t\t\t\tFlex Power Modules leverages O-RAN to grow presence in RFPA market\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n","protected":false},"featured_media":33350,"template":"","meta":{"_acf_changed":false,"_searchwp_excluded":"","inline_featured_image":false},"class_list":["post-39237","power-module-series","type-power-module-series","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/flex.com\/de\/wp-json\/wp\/v2\/power-module-series\/39237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flex.com\/de\/wp-json\/wp\/v2\/power-module-series"}],"about":[{"href":"https:\/\/flex.com\/de\/wp-json\/wp\/v2\/types\/power-module-series"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/flex.com\/de\/wp-json\/wp\/v2\/media\/33350"}],"wp:attachment":[{"href":"https:\/\/flex.com\/de\/wp-json\/wp\/v2\/media?parent=39237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}