{"id":5364,"date":"2026-06-09T11:30:20","date_gmt":"2026-06-09T11:30:20","guid":{"rendered":"https:\/\/materialparts.com\/ncp81239mntxg\/"},"modified":"2026-06-09T11:30:20","modified_gmt":"2026-06-09T11:30:20","slug":"ncp81239mntxg","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ncp81239mntxg\/","title":{"rendered":"NCP81239MNTXG"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

NCP81239MNTXG from onsemi is a multi-phase synchronous buck controller for desktop CPU VRM, supports 1-2 phases, serial VID interface, DCR current sensing. QFN-48.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Multi-phase VRM controller with serial VID (SVID) interface compatible with Intel VR12\/VR12.5. Integrated power stage drivers. DCR or sense resistor current sensing. Per-phase current balancing. Load-line calibration. OCP, OVP, UVP protections.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n
\u522b\u9488\u7ec4<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
SVID<\/td>\nIntel serial VID<\/td>\n<\/tr>\n
PWM1-2<\/td>\nPhase outputs<\/td>\n<\/tr>\n
VSEN<\/td>\nVoltage sense<\/td>\n<\/tr>\n
ISEN<\/td>\nCurrent sense<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Desktop CPU VRM<\/li>\n
  • Intel VR12\/VR12.5<\/li>\n
  • Server POL<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    Mfr<\/th>\nPart<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    onsemi<\/td>\nNCP81241MNTXG<\/td>\n3-phase version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview NCP81239MNTXG from onsemi is a multi-phase synchronous buck controller for desktop CPU VRM, supports 1-2 phases, serial VID interface, DCR current sensing. QFN-48. Working Principle Multi-phase VRM controller with serial VID (SVID) interface compatible with Intel VR12\/VR12.5. Integrated power stage drivers. DCR or sense resistor current sensing. Per-phase current balancing. Load-line calibration. OCP, […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31,13],"tags":[],"chip_brand":[144],"class_list":["post-5364","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-on"],"acf":{"brief_explanation":"Multi-phase buck controller, desktop CPU VRM, QFN-48","date_code":"","package_case":"QFN-48 (6.0x6.0mm, 0.4mm pitch)","in_stock":6744,"datasheet":"https:\/\/www.onsemi.com\/pub\/Collateral\/NCP81239-D.PDF","price":"$4.85 @ 1ku","product_introduction":"NCP81239MNTXG from onsemi is a multi-phase synchronous buck controller for desktop CPU VRM, supports 1-2 phases, serial VID interface, DCR current sensing. QFN-48.","working_principle":"Multi-phase VRM controller with serial VID (SVID) interface compatible with Intel VR12\/VR12.5. Integrated power stage drivers. DCR or sense resistor current sensing. Per-phase current balancing. Load-line calibration. OCP, OVP, UVP protections.","pin_description":"
    Pin Group<\/th>Function<\/th><\/tr>
    SVID<\/td>Intel serial VID<\/td><\/tr>
    PWM1-2<\/td>Phase outputs<\/td><\/tr>
    VSEN<\/td>Voltage sense<\/td><\/tr>
    ISEN<\/td>Current sense<\/td><\/tr><\/table>","application_scenarios":"
    • Desktop CPU VRM<\/li>
    • Intel VR12\/VR12.5<\/li>
    • Server POL<\/li><\/ul>","alternative_models":"
      Mfr<\/th>Part<\/th>Notes<\/th><\/tr>
      onsemi<\/td>NCP81241MNTXG<\/td>3-phase version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5364"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5364\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5364"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}