{"id":10781,"date":"2026-07-20T13:10:49","date_gmt":"2026-07-20T13:10:49","guid":{"rendered":"https:\/\/ic-vendor.com\/si7149adp-t1-ge3\/"},"modified":"2026-07-20T13:10:49","modified_gmt":"2026-07-20T13:10:49","slug":"si7149adp-t1-ge3","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/si7149adp-t1-ge3\/","title":{"rendered":"SI7149ADP-T1-GE3"},"content":{"rendered":"

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

The SI7149ADP-T1-GE3 from Vishay Siliconix is a single P-Channel 30 V TrenchFET power MOSFET in a PowerPAK SO-8 package. With an ultra-low RDS(on) of 5.2 mOhm at -10 V gate drive and a continuous drain current of -50 A (package limited), it is designed for battery switching, load switching, and adapter switching in notebook computers and portable devices.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
VDS<\/td>\n-30 V<\/td>\n<\/tr>\n
ID (Continuous)<\/td>\n-50 A (Tc)<\/td>\n<\/tr>\n
RDS(on) Max<\/td>\n5.2 mOhm @ VGS=-10V<\/td>\n<\/tr>\n
RDS(on) Max<\/td>\n9.5 mOhm @ VGS=-4.5V<\/td>\n<\/tr>\n
VGS(th) Max<\/td>\n-2.5 V @ -250 uA<\/td>\n<\/tr>\n
Qg Typ<\/td>\n43.1 nC @ VGS=-10V<\/td>\n<\/tr>\n
\u529f\u7387\u8017\u6563<\/td>\n48 W (Tc)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nPowerPAK SO-8<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55 to 150 degC<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • TrenchFET power MOSFET technology<\/li>\n
  • Ultra-low RDS(on) of 5.2 mOhm at -10 V<\/li>\n
  • Extended VGS max rating of +\/-25 V<\/li>\n
  • 100% Rg and UIS tested<\/li>\n
  • Optimized for battery and load switching<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Notebook computer battery switching<\/li>\n
    • Battery pack protection and management<\/li>\n
    • Adapter and load switching<\/li>\n
    • Power routing in portable devices<\/li>\n
    • DC-DC converter high-side switch<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SI7149ADP-T1-GE3 from Vishay Siliconix is a single P-Channel 30 V TrenchFET power MOSFET in a PowerPAK SO-8 package. With an ultra-low RDS(on) of 5.2 mOhm at -10 V gate drive and a continuous drain current of -50 A (package limited), it is designed for battery switching, load switching, and adapter switching in […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,56],"tags":[2122],"chip_brand":[136],"class_list":["post-10781","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets","tag-si7149adp-t1-ge3","chip_brand-vishay"],"acf":{"brief_explanation":"P-Channel 30V 50A TrenchFET MOSFET, 5.2 mOhm, PowerPAK SO-8, battery\/load switch","date_code":"","package_case":"PowerPAK SO-8 (5.15 x 6.15 x 1.07 mm)","in_stock":14833,"datasheet":"https:\/\/www.vishay.com\/docs\/62839\/si7149adp.pdf","price":"$0.53 @ 3ku","product_introduction":"The SI7149ADP-T1-GE3 from Vishay Siliconix is a P-Channel 30 V TrenchFET power MOSFET in a PowerPAK SO-8 package. With an ultra-low RDS(on) of 5.2 mOhm at -10 V gate drive, it minimizes voltage drop and power loss in high-current battery and load switching applications. The extended VGS maximum rating of +\/-25 V provides robust gate oxide reliability in automotive and industrial environments. The device is 100% Rg and UIS tested, ensuring high reliability. The PowerPAK SO-8 package provides excellent thermal performance for the 48 W power dissipation rating.","working_principle":"The SI7149ADP uses a P-Channel TrenchFET structure where the body region is N-type silicon and the source\/drain are P-type. When VGS is driven negative (below the threshold of -2.5 V max), an inversion layer forms in the P-type channel, creating a conductive path between source and drain. The trench-gate structure maximizes channel density, achieving the ultra-low 5.2 mOhm RDS(on). As a P-Channel device, it can be used as a high-side switch without requiring a boost circuit or charge pump, simplifying power routing designs in battery-powered systems.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-3<\/td>S<\/td>Source<\/td>Source terminals<\/td><\/tr>
      4<\/td>G<\/td>Gate<\/td>Gate control input<\/td><\/tr>
      5-8<\/td>D<\/td>Drain<\/td>Drain terminals (exposed pad)<\/td><\/tr><\/table>","application_scenarios":"
      • Notebook computer main battery selector switch<\/li>
      • Battery pack charge\/discharge protection MOSFET<\/li>
      • AC adapter and battery power path management<\/li>
      • Industrial UPS battery disconnect switch<\/li>
      • Portable device power distribution high-side switch<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Infineon<\/td>BSZ086P03<\/td>SuperSO-8<\/td>30V P-Ch, 6.3 mOhm<\/td><\/tr>
        ONsemi<\/td>FDD8896<\/td>Power56<\/td>30V P-Ch, 7.5 mOhm<\/td><\/tr>
        Rohm<\/td>RS1E240GNTB<\/td>PowerPAK<\/td>30V P-Ch alternative<\/td><\/tr>
        Vishay<\/td>SI7149DP-T1-GE3<\/td>SO-8<\/td>Standard SO-8 variant<\/td><\/tr>
        Texas Instruments<\/td>CSD25404Q3<\/td>SON 3.3x3.3<\/td>20V P-Ch alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10781"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10781\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10781"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}