{"id":916350,"date":"2025-12-04T09:04:11","date_gmt":"2025-12-04T14:04:11","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/"},"modified":"2025-12-04T09:04:11","modified_gmt":"2025-12-04T14:04:11","slug":"5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/","title":{"rendered":"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems"},"content":{"rendered":"<p>        <!--.bwalignc { text-align: center; list-style-position: inside }body {font:normal small Arial,Helvetica,sans-serif;color:#000;background-color:#fff;padding:24px;margin:0;} a img {border:0;} h3 {font-size:medium;color:#000;margin:0 0 1em 0; text-align:center;}-->  <\/p>\n<p class=\"bwalignc\"><b>5.5V, 4A, Low I<sub>Q<\/sub> Synchronous Buck Converter with Versatile I<sup>2<\/sup>C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems<\/b><\/p>\n<p>PLANO, Texas&#8211;(<a href=\"http:\/\/www.businesswire.com\">BUSINESS WIRE<\/a>)&#8211;<br \/>\nDiodes Incorporated (Diodes) (Nasdaq: DIOD) today introduces the <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.diodes.com%2Fpart%2Fview%2FAP61406Q&amp;esheet=54367538&amp;newsitemid=20251204971089&amp;lan=en-US&amp;anchor=AP61406Q&amp;index=1&amp;md5=bc481cf30f184253d38b01d7c29dc0a1\">AP61406Q<\/a>, a new 5.5V, 4A member with I<sup>2<\/sup>C interface of its low quiescent current (I<sub>Q<\/sub>), automotive-compliant* synchronous buck converters. The I<sup>2<\/sup>C interface allows the programming of various parameters enabling it to meet the growing demand for compact design and high efficiency in various automotive point-of-load (POL) applications, including infotainment, instrument clusters, telematics, and advanced driver assistance systems (ADAS).\n<\/p>\n<p>\nA key advantage of the AP61406Q is its I<sup>2<\/sup>C 3.0-compatible serial interface, which supports SCL clock rates up to 3.4MHz. This interface enables programmability for various parameters, including PFM\/PWM modes, frequencies (1MHz, 1.5MHz, 2MHz, 2.5MHz), and output currents (1A\/2A\/3A\/4A). The device also provides 20mV increment V<sub>OUT<\/sub> adjustability and provides fault status reports.\n<\/p>\n<p>\nOptimized for high power density automotive POL applications, the AP61406Q is available in a W-QFN1520-8\/SWP (Type UX) package, enabling it to operate at high ambient temperatures. The device also features a proprietary gate driver scheme that effectively resists switching node ringing without compromising MOSFET turn-on and turn-off times, thereby reducing high frequency radiated EMI noise.\n<\/p>\n<p>\nThe AP61406Q operates with an input voltage range of 2.3V to 5.5V. It integrates a 75m\u03a9 high-side and a 33m\u03a9 low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. Its adoption of constant on-time (COT) control minimizes external component count, facilitates loop stabilization, and results in low output voltage ripple.\n<\/p>\n<p>\nThe multi-function enable (EN) input also provides control of the mode of operation. This capability enables flexibility for low I<sub>Q<\/sub> (20\u00b5A), high-load efficiency in fixed PFM mode or equal ripple across load conditions in PWM mode. Additional features include an accurate power good (PG) indicator with an internal 5M\u03a9 pull-up resistor with a \u00b15% window comparator circuit, which reduces bill-of-materials (BOM) costs.\n<\/p>\n<p>\nThe AP61406Q has high-side and low-side current sense protection during output short circuits, increasing its reliability in automotive POL applications. Other protection features include undervoltage lockout (UVLO), V<sub>IN<\/sub> overvoltage protection (OVP), peak and valley current limiting, and thermal shutdown.\n<\/p>\n<p>\nThe <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.diodes.com%2Fpart%2Fview%2FAP61406Q&amp;esheet=54367538&amp;newsitemid=20251204971089&amp;lan=en-US&amp;anchor=AP61406Q&amp;index=2&amp;md5=987b04eeb60cb6752d06a7fb7ac7ec76\">AP61406Q<\/a> is available at $0.24 in 1,000-piece quantities. A standard compliance version, <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.diodes.com%2Fpart%2Fview%2FAP61406&amp;esheet=54367538&amp;newsitemid=20251204971089&amp;lan=en-US&amp;anchor=AP61406&amp;index=3&amp;md5=64b474cf7506511bfec9df8c1b21f09d\">AP61406<\/a>, is available and suitable for industrial and consumer applications.\n<\/p>\n<p>\nFor further information, please visit: <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.diodes.com%2Fproducts%2Fpower-management%2Fdc-dc-converters%2Fintegrated-power-stage%2Fbuck-converter%2F&amp;esheet=54367538&amp;newsitemid=20251204971089&amp;lan=en-US&amp;anchor=https%3A%2F%2Fwww.diodes.com%2Fproducts%2Fpower-management%2Fdc-dc-converters%2Fintegrated-power-stage%2Fbuck-converter%2F&amp;index=4&amp;md5=e6dc83444c11b2011460b591ba9e470d\">https:\/\/www.diodes.com\/products\/power-management\/dc-dc-converters\/integrated-power-stage\/buck-converter\/<\/a><\/p>\n<p><b>About Diodes Incorporated<\/b><\/p>\n<p>\nDiodes Incorporated (Nasdaq: DIOD), a Standard and Poor\u2019s SmallCap 600 and Russell 3000 Index company, delivers high-quality semiconductor products to the world\u2019s leading companies in the automotive, industrial, computing, consumer electronics, and communications markets. We leverage our expanded product portfolio of analog and discrete power solutions combined with leading-edge packaging technology to meet customers\u2019 needs. Our broad range of application-specific products and solutions-focused sales, coupled with global operations including engineering, testing, manufacturing, and customer service, enable us to be a premier provider for high-volume, high-growth markets. For more information, visit <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.diodes.com&amp;esheet=54367538&amp;newsitemid=20251204971089&amp;lan=en-US&amp;anchor=www.diodes.com&amp;index=5&amp;md5=3fd897f24e795bd0d2d4e4706def7b3e\">www.diodes.com<\/a>.\n<\/p>\n<p><i>*Automotive-compliant &#8211; AEC qualified, manufactured in facilities certified to IATF 16949, supporting PPAP documents.<\/i><\/p>\n<p><i>The Diodes logo is a registered trademark of Diodes Incorporated in the United States and other countries.<\/i><\/p>\n<p><i>All other trademarks are the property of their respective owners.<\/i><\/p>\n<p><i>\u00a9 2025 Diodes Incorporated. All Rights Reserved.<\/i><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20251204971089r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" style=\"width:0;height:0\" \/><span class=\"bwct31415\" \/><\/p>\n<p id=\"mmgallerylink\"><span id=\"mmgallerylink-phrase\">View source version on businesswire.com: <\/span><span id=\"mmgallerylink-link\"><a href=\"https:\/\/www.businesswire.com\/news\/home\/20251204971089\/en\/\" rel=\"nofollow\">https:\/\/www.businesswire.com\/news\/home\/20251204971089\/en\/<\/a><\/span><\/p>\n<p>\nGurmeet Dhaliwal<br \/>\n<br \/>Vice President, Corporate Marketing &amp; Investor Relations<br \/>\n<br \/>Diodes Incorporated<br \/>\n<br \/>+1 408-232-9003<br \/>\n<br \/><a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.diodes.com%2Fabout%2Fcontact-us%2Fcontact-marketing%2F&amp;esheet=54367538&amp;newsitemid=20251204971089&amp;lan=en-US&amp;anchor=Contact+Us&amp;index=6&amp;md5=907e3dc865b813736d9bbe829fa3ec6c\">Contact Us<\/a><\/p>\n<p><b>KEYWORDS:<\/b> California Texas United States North America<\/p>\n<p><b>INDUSTRY KEYWORDS:<\/b> Data Management Consumer Electronics Technology Semiconductor Security Networks Audio\/Video Internet Mobile\/Wireless Hardware Electronic Design Automation<\/p>\n<p><b>MEDIA:<\/b><\/p>\n<table cellpadding=\"3\" cellspacing=\"3\">\n<tr>\n<td><font face=\"Arial\" size=\"2\"><b>Logo<\/b><\/font><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/mms.businesswire.com\/media\/20251204971089\/en\/771339\/3\/Diodes_logo_%28r%29_large_166_kb.jpg\" alt=\"Logo\" \/><\/td>\n<\/tr>\n<tr>\n<td><font face=\"Arial\" size=\"2\"><\/font><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems PLANO, Texas&#8211;(BUSINESS WIRE)&#8211; Diodes Incorporated (Diodes) (Nasdaq: DIOD) today introduces the AP61406Q, a new 5.5V, 4A member with I2C interface of its low quiescent current (IQ), automotive-compliant* synchronous buck converters. The I2C interface allows the programming of various parameters enabling it to meet the growing demand for compact design and high efficiency in various automotive point-of-load (POL) applications, including infotainment, instrument clusters, telematics, and advanced driver assistance systems (ADAS). A key advantage of the AP61406Q is its I2C 3.0-compatible serial interface, which supports SCL clock rates up to 3.4MHz. This interface enables programmability for various parameters, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-916350","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems PLANO, Texas&#8211;(BUSINESS WIRE)&#8211; Diodes Incorporated (Diodes) (Nasdaq: DIOD) today introduces the AP61406Q, a new 5.5V, 4A member with I2C interface of its low quiescent current (IQ), automotive-compliant* synchronous buck converters. The I2C interface allows the programming of various parameters enabling it to meet the growing demand for compact design and high efficiency in various automotive point-of-load (POL) applications, including infotainment, instrument clusters, telematics, and advanced driver assistance systems (ADAS). A key advantage of the AP61406Q is its I2C 3.0-compatible serial interface, which supports SCL clock rates up to 3.4MHz. This interface enables programmability for various parameters, &hellip; Continue reading &quot;5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-04T14:04:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20251204971089r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems\",\"datePublished\":\"2025-12-04T14:04:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\\\/\"},\"wordCount\":626,\"image\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cts.businesswire.com\\\/ct\\\/CT?id=bwnews&amp;sty=20251204971089r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\\\/\",\"url\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\\\/\",\"name\":\"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems - 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Market Newsdesk","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/","og_locale":"en_US","og_type":"article","og_title":"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems - Market Newsdesk","og_description":"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems PLANO, Texas&#8211;(BUSINESS WIRE)&#8211; Diodes Incorporated (Diodes) (Nasdaq: DIOD) today introduces the AP61406Q, a new 5.5V, 4A member with I2C interface of its low quiescent current (IQ), automotive-compliant* synchronous buck converters. The I2C interface allows the programming of various parameters enabling it to meet the growing demand for compact design and high efficiency in various automotive point-of-load (POL) applications, including infotainment, instrument clusters, telematics, and advanced driver assistance systems (ADAS). A key advantage of the AP61406Q is its I2C 3.0-compatible serial interface, which supports SCL clock rates up to 3.4MHz. This interface enables programmability for various parameters, &hellip; Continue reading \"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/","og_site_name":"Market Newsdesk","article_published_time":"2025-12-04T14:04:11+00:00","og_image":[{"url":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20251204971089r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems","datePublished":"2025-12-04T14:04:11+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/"},"wordCount":626,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/#primaryimage"},"thumbnailUrl":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20251204971089r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/5-5v-4a-low-iq-synchronous-buck-converter-with-versatile-i2c-interface-from-diodes-incorporated-is-optimized-for-efficiency-and-size-in-automotive-pol-systems\/","name":"5.5V, 4A, Low IQ Synchronous Buck Converter with Versatile I2C Interface from Diodes Incorporated is Optimized for Efficiency and Size in Automotive POL Systems - 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