{"id":9160,"date":"2026-07-02T11:54:58","date_gmt":"2026-07-02T11:54:58","guid":{"rendered":"https:\/\/ic-vendor.com\/ap22814a\/"},"modified":"2026-07-03T08:04:37","modified_gmt":"2026-07-03T08:04:37","slug":"ap22814a","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/ap22814a\/","title":{"rendered":"AP22814A"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The AP22814A is a Diodes Incorporated single-channel power switch with current limiting and auto-discharge, designed for USB power switching and hot-swap applications. It supports 0.5A to 2.5A adjustable current limit, operates from 2.7V to 5.5V, and features a low 55m\u03a9 RDS(ON) for minimal voltage drop.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n
\u0646\u0637\u0627\u0642 \u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n2.7V to 5.5V<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u062f \u0627\u0644\u062d\u0627\u0644\u064a<\/td>\n0.5A to 2.5A (adjustable via ILIM resistor)<\/td>\n<\/tr>\n
RDS(ON)<\/td>\n55m\u03a9 typical<\/td>\n<\/tr>\n
Reverse Current Blocking<\/td>\nYes<\/td>\n<\/tr>\n
Auto-Discharge<\/td>\nIntegrated output discharge<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Adjustable current limit from 0.5A to 2.5A<\/li>\n
  • Low RDS(ON): 55m\u03a9 typical<\/li>\n
  • Reverse current blocking protection<\/li>\n
  • Integrated output auto-discharge<\/li>\n
  • Thermal shutdown protection<\/li>\n
  • Undervoltage lockout (UVLO)<\/li>\n
  • Fault flag output (FLG pin)<\/li>\n
  • EN pin for on\/off control<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • USB port power switching<\/li>\n
    • Hot-swap power management<\/li>\n
    • PCIe and server power distribution<\/li>\n
    • Portable device power path management<\/li>\n
    • SSD and HDD power control<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AP22814A is a Diodes Incorporated single-channel power switch with current limiting and auto-discharge, designed for USB power switching and hot-swap applications. It supports 0.5A to 2.5A adjustable current limit, operates from 2.7V to 5.5V, and features a low 55m\u03a9 RDS(ON) for minimal voltage drop. Key Specifications Input Voltage Range 2.7V to 5.5V […]<\/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":[13,35],"tags":[705],"chip_brand":[193],"class_list":["post-9160","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-power-switches","tag-ap22814a","chip_brand-diodes-inc"],"acf":{"brief_explanation":"Single-channel power switch, 2.7-5.5V, 0.5-2.5A adjustable ILIM, 55m\u03a9, auto-discharge, MSOP-8","date_code":"","package_case":"MSOP-8 (3.0 x 3.0 x 0.85 mm)","in_stock":9870,"datasheet":"https:\/\/www.diodes.com\/assets\/Datasheets\/AP22814A.pdf","price":"$0.42 @ 1ku","product_introduction":"The AP22814A is a Diodes Incorporated single-channel power switch with adjustable current limiting (0.5A-2.5A) and auto-discharge function. Operating from 2.7V to 5.5V, it features 55m\u03a9 RDS(ON), reverse current blocking, thermal shutdown, and undervoltage lockout. The fault flag output provides real-time status indication. Available in MSOP-8 package, it is ideal for USB power switching, hot-swap management, and portable device power path control.","working_principle":"The AP22814A uses an N-channel MOSFET as the main power switch, controlled by the EN pin. When enabled, the MOSFET connects the input to the output with only 55m\u03a9 of resistance. The current limit circuit monitors the load current and limits it to the programmed value set by the ILIM resistor. When the current limit threshold is exceeded, the MOSFET operates in constant-current mode. The reverse current blocking circuit detects when VOUT exceeds VIN and disables the MOSFET to prevent current backflow. When the EN pin is de-asserted, the auto-discharge function rapidly discharges the output capacitance through an internal discharge resistor, ensuring a clean power-down sequence. The FLG pin goes low during fault conditions (overcurrent, thermal shutdown, UVLO).","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1<\/td>VIN<\/td>Input supply (2.7-5.5V)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td><\/tr>
      3<\/td>EN<\/td>Enable input (active high)<\/td><\/tr>
      4<\/td>ILIM<\/td>Current limit setting resistor<\/td><\/tr>
      5<\/td>FLG<\/td>Fault flag output (active low, open drain)<\/td><\/tr>
      6<\/td>VOUT<\/td>Output to load<\/td><\/tr>
      7-8<\/td>VOUT<\/td>Output to load (parallel pins for low RDS)<\/td><\/tr><\/table>","application_scenarios":"
      • USB 2.0\/3.0 port power switch with 500mA-2.5A current limiting<\/li>\n
      • Hot-plug PCIe card power management with fault detection<\/li>\n
      • Portable device battery-to-system power path with reverse blocking<\/li>\n
      • SSD\/HDD power control with auto-discharge for hot-swap<\/li>\n
      • Server blade power distribution with FLG fault monitoring<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        AP22814B<\/td>Diodes Inc<\/td>Higher current limit range<\/td><\/tr>
        TPS2034<\/td>TI<\/td>Dual-channel power switch<\/td><\/tr>
        MAX14572<\/td>ADI<\/td>Adjustable current limiter, 5.5V<\/td><\/tr>
        FDC6324L<\/td>onsemi<\/td>Single load switch, small footprint<\/td><\/tr>
        AP22802<\/td>Diodes Inc<\/td>Single channel, fixed 1.5A limit<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/9160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=9160"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/9160\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=9160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=9160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=9160"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9160"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}