{"id":5280,"date":"2026-06-09T10:38:48","date_gmt":"2026-06-09T10:38:48","guid":{"rendered":"https:\/\/materialparts.com\/ap2171wg-7\/"},"modified":"2026-06-09T10:38:48","modified_gmt":"2026-06-09T10:38:48","slug":"ap2171wg-7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ap2171wg-7\/","title":{"rendered":"AP2171WG-7"},"content":{"rendered":"

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

AP2171WG-7 from Diodes Inc is a single-channel MOSFET load switch. 2.7-5.5V, 2A. Active-high enable. Reverse blocking. SOT-25.<\/p>\n

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

Internal P-channel MOSFET controlled by logic-level enable. Reverse current blocking prevents backfeed. Controlled slew rate limits inrush current. 2A continuous current. Active-high enable.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
1<\/td>\nVIN<\/td>\n2.7-5.5V input<\/td>\n<\/tr>\n
2<\/td>\n\u63a5\u5730<\/td>\n\u5730\u9762<\/td>\n<\/tr>\n
3<\/td>\nEN<\/td>\nEnable (active high)<\/td>\n<\/tr>\n
4<\/td>\n\u5317\u5361\u7f57\u6765\u7eb3\u5dde<\/td>\nNot connected<\/td>\n<\/tr>\n
5<\/td>\nVOUT<\/td>\nSwitched output<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • USB port power switching<\/li>\n
  • Hot-swap power control<\/li>\n
  • Battery load disconnect<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    \u5236\u9020\u5546<\/th>\n\u90e8\u4ef6\u7f16\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    \u4e8c\u6781\u7ba1<\/td>\nAP2172WG-7<\/td>\nActive-low enable<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview AP2171WG-7 from Diodes Inc is a single-channel MOSFET load switch. 2.7-5.5V, 2A. Active-high enable. Reverse blocking. SOT-25. Working Principle Internal P-channel MOSFET controlled by logic-level enable. Reverse current blocking prevents backfeed. Controlled slew rate limits inrush current. 2A continuous current. Active-high enable. Pin Description Pin Name Function 1 VIN 2.7-5.5V input 2 GND […]<\/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":[57,13],"tags":[],"chip_brand":[199],"class_list":["post-5280","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","chip_brand-diodes"],"acf":{"brief_explanation":"Single MOSFET load switch, 2.7-5.5V, SOT-25","date_code":"","package_case":"SOT-25 (2.9 x 1.6 x 1.0mm)","in_stock":3688,"datasheet":"https:\/\/www.diodes.com\/assets\/Datasheets\/AP2171.pdf","price":"$0.25 @ 1ku","product_introduction":"AP2171WG-7 from Diodes Inc is a single-channel MOSFET load switch. 2.7-5.5V, 2A. Active-high enable. Reverse blocking. SOT-25.","working_principle":"Internal P-channel MOSFET controlled by logic-level enable. Reverse current blocking prevents backfeed. Controlled slew rate limits inrush current. 2A continuous current. Active-high enable.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1<\/td>VIN<\/td>2.7-5.5V input<\/td><\/tr>
    2<\/td>GND<\/td>Ground<\/td><\/tr>
    3<\/td>EN<\/td>Enable (active high)<\/td><\/tr>
    4<\/td>NC<\/td>Not connected<\/td><\/tr>
    5<\/td>VOUT<\/td>Switched output<\/td><\/tr><\/table>","application_scenarios":"
    • USB port power switching<\/li>
    • Hot-swap power control<\/li>
    • Battery load disconnect<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      Diodes<\/td>AP2172WG-7<\/td>Active-low enable<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5280","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=5280"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5280\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5280"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}