{"id":2024,"date":"2025-04-23T10:00:56","date_gmt":"2025-04-23T02:00:56","guid":{"rendered":"https:\/\/www.dkpower.cn\/?p=2024"},"modified":"2025-09-17T18:07:16","modified_gmt":"2025-09-17T10:07:16","slug":"%e6%96%b9%e6%a1%88%e4%bb%8b%e7%bb%8d-%e4%b8%9c%e7%a7%91140w%e9%ab%98%e6%80%a7%e8%83%bd%e6%9e%81%e7%ae%80ahb%e6%96%b9%e6%a1%88%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.dkpower.cn\/en\/2024.html","title":{"rendered":"Solutions | East Tech 140W High Performance Minimalist AHB Solution Details"},"content":{"rendered":"
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Click on DK to follow us<\/strong><\/p>\n<\/section>\n<\/section>\n

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\u00a0 Asymmetric half-bridge AC-DC power management chip from Teco as aThe industry's only fully encapsulated single-chip AHB solution<\/strong><\/span>, with far fewer peripherals than competing solutions, low debugging difficulty, and overall costs far lower than competing solutions.<\/p>\n

\u00a0 In this article, we will present a paper based on theA 140W PD solution centered on the Dongke AHB chip<\/span><\/strong>It features a minimalist periphery, high power density, and diverse output configurations, making it suitable for a wide range of application scenarios, such as laptop and tablet adapters, two-wheeled electric vehicle chargers, LED power supplies, and more.<\/p>\n<\/section>\n<\/section>\n

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Dongke 140W AHB PD Program Sample Version<\/p>\n<\/section>\n<\/section>\n

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Program overview<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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Eastco Semiconductor's 140W AHB PD solution utilizes thedk8715bd+dk5v100r05vm<\/span><\/strong>Sleeve material, using Dongke asymmetric half-bridge AC-DC power switching chip. The solution supports a variety of output voltage and current configurations to meet the needs of different devices, and has a comprehensive protection mechanism to ensure safe use.<\/p>\n<\/section>\n

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Program features<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n

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\u25aa High efficiency -End-of-board efficiency up to 95.4%<\/span><\/strong><\/p>\n

\u25aa High power density: Bare metal power density of 1.82W\/cm\u00b3.<\/p>\n

\u25aa PCBA size: 66*51*24mm<\/p>\n

\u25aa Upper tube adaptive shutdown, lower tube adaptive deadband, no peripheral adjustment required;<\/p>\n

\u25aa Full load segment ZVS;<\/p>\n

\u25aa Adaptive four load segment modes, effectively improving the efficiency of each load segment;<\/p>\n

\u25aa Adaptive dead time adjustment algorithm;<\/p>\n

\u25aa Built-in high-voltage starting and X-capacitor discharging circuits;<\/p>\n

\u25aa CS negative pressure sampling for enhanced drive stability;<\/p>\n

\u25aa Built-in full-range dither circuit to improve EMI performance;<\/p>\n

\u25aa On the marketThe simplest asymmetric half-bridge solution.<\/span><\/strong><\/p>\n

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Versatile Output Configurations.<\/strong><\/p>\n<\/section>\n

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\u00a0 \u00a0 \u00a0The program supports5v3a,9v3a,12v3a,15v3a,20v5a, 28v5a<\/span><\/strong>The output configuration is able to meet the needs of most electronic devices. Its high power density design results in a bare metal power density of 1.82W\/cm\u00b3, further enhancing the product's compactness and efficiency.<\/p>\n<\/section>\n

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Major Chip:<\/strong><\/p>\n

AC-DC: DK8715BD<\/p>\n

Synchronous rectifier: DK5V100R05VM<\/p>\n<\/section>\n

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DK8715BD Product Description<\/strong><\/p>\n<\/section>\n<\/section>\n

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DK5V100R05VM Product Description<\/strong><\/p>\n<\/section>\n<\/section>\n

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East Tech Semiconductor's 140W AHB solution is suitable for a variety of scenarios, including but not limited to:<\/p>\n

\u25aa Laptop and tablet adapters;<\/p>\n

\u25aa TV power supply, LED power supply, communication power supply;<\/p>\n

\u25aa Chargers for two-wheeled electric vehicles, etc.<\/p>\n<\/section>\n

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Partial test data<\/strong><\/p>\n<\/section>\n<\/section>\n

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Average efficiency:<\/strong><\/p>\n<\/section>\n

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Output voltage ripple:<\/strong><\/p>\n<\/section>\n

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\u25aa Output 28V\/5A<\/p>\n<\/section>\n

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X capacitor discharge waveform:<\/strong><\/p>\n<\/section>\n

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AHB operating waveform:<\/strong><\/p>\n<\/section>\n

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MOS tube stress and SR rectifier withstand voltage<\/strong><\/p>\n<\/section>\n

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\u25aa Test conditions: input 264Vac, output 28V5A, switching tube VDS voltage and SR rectifier voltage<\/p>\n<\/section>\n

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Primary Power Tube and SR Rectifier Voltages During Power-Up Transients<\/strong><\/p>\n<\/section>\n

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Test conditions: input 264Vac, output 20V2.25A, switching tube VDS voltage and SR rectifier voltage.<\/p>\n<\/section>\n

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Test conditions: Input 264Vac, Output 20V0A , Switching Tube VDS Voltage and SR Rectifier Voltage<\/p>\n<\/section>\n

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EMC Conductivity Testing<\/strong><\/p>\n<\/section>\n

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EMC Radiation Testing<\/strong><\/p>\n<\/section>\n

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\u00a0 \u00a0 If you are interested in the above AHB 140W PD program, please feel free to contact our sales team and we willProvide a full set of design and test data<\/span><\/strong>This makes it easy for you to quickly develop products and bring them to market.<\/p>\n

\u00a0 \u00a0 Thank you for your interest in TECO Semiconductor and we look forward to working with you in the future!<\/p>\n<\/section>\n

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Past Review<\/strong><\/p>\n<\/section>\n

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Solutions | Dongke 45W PD Fast Charging Minimalist Solution<\/a><\/p>\n

Dongke Launches Various Newly Upgraded AHB Controllers - DK87XXBD Series<\/a><\/p>\n

Product Selection | SEMICONDUCTOR 2025 Product Selection Book is newly launched, welcome to check the collection!<\/a><\/p>\n<\/section>\n

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WeChat\uff5cTokyo Semiconductor<\/span><\/p>\n

Official website: www.dkpower.cn<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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<\/p>","protected":false},"excerpt":{"rendered":"

\u00a0 \u00a0 Click on DK to follow us As the industry's only fully encapsulated single-chip AH [....]<\/p>","protected":false},"author":1,"featured_media":3116,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":true,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"metadata":{"_edit_lock":["1758103636:1"],"_edit_last":["1"],"catce":["sidebar-widgets4"],"themepark_post_bcolor":["#f5f5f5"],"themepark_post_width":["1022px"],"themepark_post_img":[""],"themepark_post_img_po":["left"],"themepark_post_img_re":[""],"themepark_post_img_cover":[""],"themepark_post_img_fixed":[""],"themepark_post_hide_title":["1"],"themepark_post_main_b":[""],"themepark_post_main_p":["100"],"themepark_paddingblock":[""],"footnotes":[""],"views":["535"],"_thumbnail_id":["3116"],"_wp_old_date":["2025-09-16"],"themepark_seo_title":[""],"themepark_seo_description":[""],"themepark_seo_keyword":[""]},"medium_url":"https:\/\/www.dkpower.cn\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_2025-10-13_160210_651-300x128.png","thumbnail_url":"https:\/\/www.dkpower.cn\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_2025-10-13_160210_651-150x150.png","full_url":"https:\/\/www.dkpower.cn\/wp-content\/uploads\/2025\/10\/\u5fae\u4fe1\u56fe\u7247_2025-10-13_160210_651.png","_links":{"self":[{"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/posts\/2024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/comments?post=2024"}],"version-history":[{"count":3,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/posts\/2024\/revisions"}],"predecessor-version":[{"id":2092,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/posts\/2024\/revisions\/2092"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/media\/3116"}],"wp:attachment":[{"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/media?parent=2024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/categories?post=2024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dkpower.cn\/en\/wp-json\/wp\/v2\/tags?post=2024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}