{"product_id":"hc77045b-700v-gan-acdc-ic-sop-8-high-efficiency-offline-power-conversion-ic-hcw-hengchengwei","title":"HC77045B 700V GaN ACDC IC SOP-8 | High-Efficiency Offline Power Conversion IC | HCW-HENGCHENGWEI","description":"\u003cp data-start=\"120\" data-end=\"616\"\u003eThe HC77045B is a high-efficiency Gallium Nitride (GaN) AC-DC integrated circuit from HCW-HENGCHENGWEI, designed for compact, reliable, and energy-efficient offline power conversion systems. Built with advanced GaN semiconductor technology, it provides ultra-fast switching performance with significantly reduced switching and conduction losses compared to traditional silicon-based AC-DC solutions, improving overall system efficiency and thermal behavior.\u003c\/p\u003e\n\u003cp data-start=\"618\" data-end=\"916\"\u003eWith a high voltage rating of 700V, the HC77045B is optimized for primary-side switching applications in modern low-power SMPS and adapter designs. Its low-loss architecture ensures minimal heat generation, stable operation, and enhanced long-term reliability even under continuous load conditions.\u003c\/p\u003e\n\u003cp data-start=\"918\" data-end=\"1225\"\u003eThe device supports high-frequency switching operation, enabling smaller transformer designs, higher power density, and improved energy conversion efficiency. This makes it highly suitable for compact power solutions where efficiency, size reduction, and thermal management are critical design requirements.\u003c\/p\u003e\n\u003cp data-start=\"1227\" data-end=\"1488\"\u003ePackaged in a standard SOP-8 form factor, the HC77045B offers easy PCB integration and cost-effective manufacturing. Its integrated design reduces external component count, simplifying circuit layout, lowering BOM cost, and improving overall system reliability.\u003c\/p\u003e\n\u003cp data-start=\"1490\" data-end=\"1668\"\u003eThe HC77045B is well-suited for next-generation offline power systems requiring high efficiency, compact size, and stable performance across a wide range of operating conditions.\u003c\/p\u003e\n\u003chr data-start=\"1670\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1675\" data-end=\"1694\"\u003e\u003cstrong data-start=\"1675\" data-end=\"1692\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1695\" data-end=\"2045\"\u003e\n\u003cli data-section-id=\"1evbg90\" data-start=\"1695\" data-end=\"1749\"\u003eGaN-based high-efficiency AC-DC integrated circuit\u003c\/li\u003e\n\u003cli data-section-id=\"2m115k\" data-start=\"1750\" data-end=\"1779\"\u003eHigh voltage rating: 700V\u003c\/li\u003e\n\u003cli data-section-id=\"udzkoh\" data-start=\"1780\" data-end=\"1816\"\u003eUltra-fast switching performance\u003c\/li\u003e\n\u003cli data-section-id=\"11knnh8\" data-start=\"1817\" data-end=\"1856\"\u003eLow switching and conduction losses\u003c\/li\u003e\n\u003cli data-section-id=\"1sv8xsh\" data-start=\"1857\" data-end=\"1904\"\u003eImproved thermal efficiency and reliability\u003c\/li\u003e\n\u003cli data-section-id=\"ykqsny\" data-start=\"1905\" data-end=\"1937\"\u003eCompact SOP-8 package design\u003c\/li\u003e\n\u003cli data-section-id=\"xrnbw5\" data-start=\"1938\" data-end=\"1974\"\u003eHigh-frequency operation support\u003c\/li\u003e\n\u003cli data-section-id=\"x3ub25\" data-start=\"1975\" data-end=\"2011\"\u003eReduced external component count\u003c\/li\u003e\n\u003cli data-section-id=\"1umdbbl\" data-start=\"2012\" data-end=\"2045\"\u003eHigh power density capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2047\" data-end=\"2050\"\u003e\n\u003cp data-start=\"2052\" data-end=\"2071\"\u003e\u003cstrong data-start=\"2052\" data-end=\"2069\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2072\" data-end=\"2314\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1b5lkdv\" data-start=\"2072\" data-end=\"2098\"\u003eFast charging adapters\u003c\/li\u003e\n\u003cli data-section-id=\"14ek0nw\" data-start=\"2099\" data-end=\"2126\"\u003eUSB and mobile chargers\u003c\/li\u003e\n\u003cli data-section-id=\"1t8hv3v\" data-start=\"2127\" data-end=\"2151\"\u003eSmart power supplies\u003c\/li\u003e\n\u003cli data-section-id=\"1nr5m4t\" data-start=\"2152\" data-end=\"2174\"\u003eLED driver systems\u003c\/li\u003e\n\u003cli data-section-id=\"2a9u4z\" data-start=\"2175\" data-end=\"2199\"\u003eCompact SMPS designs\u003c\/li\u003e\n\u003cli data-section-id=\"15kycsx\" data-start=\"2200\" data-end=\"2238\"\u003eConsumer electronics power modules\u003c\/li\u003e\n\u003cli data-section-id=\"1kgjhbw\" data-start=\"2239\" data-end=\"2271\"\u003eLow-power offline converters\u003c\/li\u003e\n\u003cli data-section-id=\"1lp9iuj\" data-start=\"2272\" data-end=\"2314\" data-is-last-node=\"\"\u003eEnergy-efficient AC-DC adapter solutions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HCW-HENGCHENGWEI","offers":[{"title":"Default Title","offer_id":43913934929985,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/Integrated_Circuits-02-01_21de9394-cbdf-440c-93e1-dd1367592f04.png?v=1769084412","url":"https:\/\/hext.in\/products\/hc77045b-700v-gan-acdc-ic-sop-8-high-efficiency-offline-power-conversion-ic-hcw-hengchengwei","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}