{"id":20872,"date":"2022-02-08T10:00:00","date_gmt":"2022-02-08T10:00:00","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=20872"},"modified":"2022-02-07T11:32:57","modified_gmt":"2022-02-07T11:32:57","slug":"non-isolated-digital-quarter-brick-dc-dc-delivers-1200w-peak-power-rating","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/non-isolated-digital-quarter-brick-dc-dc-delivers-1200w-peak-power-rating\/","title":{"rendered":"Non-isolated digital quarter-brick DC\/DC delivers 1200W peak power rating"},"content":{"rendered":"\n<p><strong><a href=\"https:\/\/flexpowermodules.com\/flex-power-designer\">Flex Power Modules<\/a><\/strong> is introducing the BMR350, a quarter-brick, non-isolated DC\/DC converter rated at 860W continuous and 1200W peak power, as an intermediate bus converter for powering processors and ASICs with peak power demands.\u00a0<\/p>\n\n\n\n<p>The product features an input of 40-60V (80V\/100ms) and a fully regulated output of 12V at 100A maximum, adjustable from 8V to 13.2V.&nbsp;<\/p>\n\n\n\n<p>An innovative transformer-coupled, non-isolated topology reduces component count and current stress and yields an efficiency level peaking at &gt;97.8% at half load 48V input voltage. Derating for the BMR350 is characterised by the innovative Flex Power Modules 3D thermal data graphs which specify available output power for given real-world pin and baseplate temperatures up to 100\u00b0C, with the user\u2019s airflow rate. This enables maximum power to be extracted without stress to the converter.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.engineernewsnetwork.com\/blog\/wp-content\/uploads\/2022\/02\/FLEXR058.1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"498\" height=\"380\" src=\"https:\/\/www.engineernewsnetwork.com\/blog\/wp-content\/uploads\/2022\/02\/FLEXR058.1.jpg\" alt=\"\" class=\"wp-image-20874\" srcset=\"https:\/\/www.engineernewsnetwork.com\/blog\/wp-content\/uploads\/2022\/02\/FLEXR058.1.jpg 498w, https:\/\/www.engineernewsnetwork.com\/blog\/wp-content\/uploads\/2022\/02\/FLEXR058.1-300x229.jpg 300w\" sizes=\"auto, (max-width: 498px) 100vw, 498px\" \/><\/a><figcaption>Maximum output power in relation to pin and baseplate temperature<\/figcaption><\/figure><\/div>\n\n\n\n<p>For higher power levels, active current sharing between paralleled modules is an option. The BMR350 meets EMI standard EN 55032\/FCC part 15J \u2018Class B\u2019 with a recommended external filter.<\/p>\n\n\n\n<p>Full protection is included against output over-voltage, over-current and module over-temperature and a PMBus interface provides remote control and monitoring, supported by the Flex Power Designer software tool. A particular feature is the inclusion of an \u2018event data recorder\u2019 which can be interrogated for analysis of stress conditions before converter shut-down.<\/p>\n\n\n\n<p>The BMR350 is in the standard quarter-brick format of 58.4 x 36.8mm footprint with a height of just 12mm, which includes the integrated baseplate with its threaded fixing holes. Terminations are via through-hole pins, suitable for pin-in-paste reflow, wave or manual soldering and positions are compatible with similar products on the market.<\/p>\n\n\n\n<p>Anders Sellin, Product Manager Flex Power Modules comments \u201cWe have adopted a novel approach with the BMR350 with its transformer-coupled, non-isolated topology. This keeps costs and component stresses low without compromising efficiency\u201d.<\/p>\n\n\n\n<p>The product will be available in OEM quantities in the end of quarter 1\/2022 and more variants will follow during 2022.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flex Power Modules is introducing the BMR350, a quarter-brick, non-isolated DC\/DC converter rated at 860W continuous and 1200W peak power, as an intermediate bus converter for powering processors and ASICs with peak power demands.\u00a0 The product features an input of 40-60V (80V\/100ms) and a fully regulated output of 12V at 100A maximum, adjustable from 8V &hellip;<\/p>\n","protected":false},"author":1,"featured_media":20873,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107],"tags":[9857,1420,9858],"class_list":["post-20872","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-power","tag-bmr350","tag-flex-power-modules","tag-non-isolated-digital-quarter-brick-dc-dc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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