{"product_id":"ncp1396ag-ncp1396bg-sop15-llc-resonant-half-bridge-controller-ic","title":"NCP1396AG \/ NCP1396BG SOP-15 LLC Resonant Half-Bridge Controller IC","description":"\u003ch2\u003eNCP1396AG \/ NCP1396BG — SOP-15 LLC Resonant Half-Bridge Controller IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eNCP1396\u003c\/strong\u003e is ON Semiconductor's dedicated \u003cstrong\u003eLLC resonant half-bridge controller IC\u003c\/strong\u003e in SOP-15 package. It provides variable-frequency control for LLC resonant converters with integrated \u003cstrong\u003e600V high-side and low-side gate drivers\u003c\/strong\u003e, making it the preferred controller for high-efficiency SMPS designs in LCD TVs, server power supplies, and industrial converters. This listing covers both \u003cstrong\u003eNCP1396AG\u003c\/strong\u003e and \u003cstrong\u003eNCP1396BG\u003c\/strong\u003e variants.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Numbers\u003c\/td\u003e\n\u003ctd\u003eNCP1396AG \/ NCP1396BG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eLLC Resonant Half-Bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Method\u003c\/td\u003e\n\u003ctd\u003eVariable Frequency (VFO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate Driver Output\u003c\/td\u003e\n\u003ctd\u003e600V, 250mA source \/ 500mA sink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e50kHz – 500kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Frequency Clamp\u003c\/td\u003e\n\u003ctd\u003eProgrammable (fmin pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Frequency Clamp\u003c\/td\u003e\n\u003ctd\u003eProgrammable (fmax pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Start\u003c\/td\u003e\n\u003ctd\u003eBuilt-in (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOVP, OCP, OTP, latch-off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVcc Range\u003c\/td\u003e\n\u003ctd\u003e12V – 20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eNCP1396AG vs NCP1396BG\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eNCP1396AG\u003c\/th\u003e\n\u003cth\u003eNCP1396BG\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOCP Response\u003c\/td\u003e\n\u003ctd\u003eFrequency fold-back\u003c\/td\u003e\n\u003ctd\u003eLatch-off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Recovery\u003c\/td\u003e\n\u003ctd\u003eAuto-restart\u003c\/td\u003e\n\u003ctd\u003eManual reset required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eConsumer SMPS (auto-recovery)\u003c\/td\u003e\n\u003ctd\u003eIndustrial (latched protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose NCP1396?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIntegrated 600V gate drivers\u003c\/strong\u003e — no external gate driver ICs needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVariable frequency control\u003c\/strong\u003e — optimal efficiency across full load range\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eProgrammable fmin\/fmax\u003c\/strong\u003e — prevents operation outside safe frequency range\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComprehensive protection\u003c\/strong\u003e — OVP, OCP, OTP with latch-off or auto-restart\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndustry-standard LLC controller\u003c\/strong\u003e — widely used in LCD TV and server PSU designs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLLC resonant half-bridge SMPS (100–500W output)\u003c\/li\u003e\n\u003cli\u003eLCD TV main power supply board (32–65\" panels)\u003c\/li\u003e\n\u003cli\u003eServer power supply unit (ATX12V, EPS12V)\u003c\/li\u003e\n\u003cli\u003eHalf-bridge MOSFETs: STF13NM60N, SPA11N65C3, IPP60R099CP\u003c\/li\u003e\n\u003cli\u003eResonant tank: Lr + Cr + Lm (series-parallel LLC network)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD TV Power Supply\u003c\/strong\u003e — primary LLC resonant stage in 32–65\" TV SMPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServer PSU\u003c\/strong\u003e — high-efficiency LLC stage in 80 PLUS Gold\/Platinum server supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial SMPS\u003c\/strong\u003e — isolated 48V\/24V\/12V converter with LLC topology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEV Onboard Charger\u003c\/strong\u003e — LLC resonant stage in 3.3kW–6.6kW OBC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecom Rectifier\u003c\/strong\u003e — 48V DC bus LLC converter for telecom power systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between LLC and flyback topology?\u003c\/strong\u003e\u003cbr\u003eA: LLC resonant converters achieve ZVS (Zero Voltage Switching) for the primary MOSFETs and ZCS (Zero Current Switching) for the secondary diodes, dramatically reducing switching losses. LLC is preferred for \u0026gt;100W designs where efficiency is critical. Flyback is simpler and preferred for \u0026lt;100W.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I diagnose a failed NCP1396 in an LCD TV PSU?\u003c\/strong\u003e\u003cbr\u003eA: Check Vcc pin (should be 15–18V). Verify gate drive outputs (HO, LO) for switching waveforms. If Vcc is present but no gate drive, the IC or its protection latch may be triggered. Check OVP\/OCP sense pins for fault conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can NCP1396AG replace NCP1396BG?\u003c\/strong\u003e\u003cbr\u003eA: Yes in most consumer applications. NCP1396AG auto-restarts after fault; NCP1396BG latches off. In LCD TV repair, NCP1396AG is generally preferred for auto-recovery behavior.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eNCP1396AG or NCP1396BG SOP-15 LLC Resonant Half-Bridge Controller IC (variant per selection)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991482716395,"sku":"\u003cnone\u003e","price":6.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ncp1396-sop15-power-ic.webp?v=1761544934","url":"https:\/\/keszoox.com\/products\/ncp1396ag-ncp1396bg-sop15-llc-resonant-half-bridge-controller-ic","provider":"Keszoox","version":"1.0","type":"link"}