{"id":10380,"date":"2026-07-19T13:07:32","date_gmt":"2026-07-19T13:07:32","guid":{"rendered":"https:\/\/ic-vendor.com\/mic2025-1ym-tr\/"},"modified":"2026-07-19T13:07:32","modified_gmt":"2026-07-19T13:07:32","slug":"mic2025-1ym-tr","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/mic2025-1ym-tr\/","title":{"rendered":"MIC2025-1YM TR"},"content":{"rendered":"

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

The MIC2025-1YM TR is a single-channel high-side N-channel MOSFET power distribution switch from Microchip, optimized for USB power distribution. It features 500mA current limiting, thermal shutdown, undervoltage lockout, and reverse current blocking in an 8-pin SOIC package with active-high enable.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Switch Type<\/td>\nSingle-channel High-Side N-FET<\/td>\n<\/tr>\n
Number of Outputs<\/td>\n1<\/td>\n<\/tr>\n
RDS(ON)<\/td>\n90mOhm typical @ 5V<\/td>\n<\/tr>\n
Current Limit<\/td>\n500mA minimum (fixed)<\/td>\n<\/tr>\n
\u8f93\u5165\u7535\u538b<\/td>\n2.7V to 5.5V<\/td>\n<\/tr>\n
Enable Logic<\/td>\nActive High<\/td>\n<\/tr>\n
Fault Flag<\/td>\nYes (3ms transient filter)<\/td>\n<\/tr>\n
UVLO<\/td>\nYes<\/td>\n<\/tr>\n
Thermal Shutdown<\/td>\nYes<\/td>\n<\/tr>\n
Reverse Blocking<\/td>\nYes (no body diode)<\/td>\n<\/tr>\n
Soft Start<\/td>\nYes<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n8-SOIC (3.9mm wide)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Single-channel USB power distribution switch<\/li>\n
  • 500mA minimum current limit<\/li>\n
  • 140mOhm max on-resistance<\/li>\n
  • Fault flag with 3ms filter eliminates false assertions<\/li>\n
  • Reverse current blocking (no body diode)<\/li>\n
  • Soft-start minimizes inrush current<\/li>\n
  • UL recognized and EN\/IEC 60950-1 certified<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • USB port power distribution<\/li>\n
    • PC and notebook peripheral power<\/li>\n
    • Hot-plug power supply switching<\/li>\n
    • General-purpose high-side power switching<\/li>\n
    • Self-powered and bus-powered USB hubs<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MIC2025-1YM TR is a single-channel high-side N-channel MOSFET power distribution switch from Microchip, optimized for USB power distribution. It features 500mA current limiting, thermal shutdown, undervoltage lockout, and reverse current blocking in an 8-pin SOIC package with active-high enable. Key Specifications Switch Type Single-channel High-Side N-FET Number of Outputs 1 RDS(ON) 90mOhm […]<\/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":[29,35],"tags":[1686,1687,1688],"chip_brand":[134],"class_list":["post-10380","post","type-post","status-publish","format-standard","hentry","category-power-management-ics-pmic","category-power-switches","tag-mic2025-1ym-tr","tag-power-switch","tag-usb","chip_brand-microchip"],"acf":{"brief_explanation":"Single Hi-Side USB Power Switch, 500mA limit, 90mOhm, 8-SOIC, -40~85\u00b0C","date_code":"","package_case":"8-SOIC (0.154\", 3.90mm width)","in_stock":7500,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/mic2025","price":"","product_introduction":"The MIC2025-1YM TR is a single-channel high-side N-channel MOSFET power distribution switch from Microchip, optimized for USB power distribution applications. It provides 500mA minimum current limiting with thermal shutdown and undervoltage lockout to protect the device and load. Reverse current blocking eliminates the body diode conduction path found in typical P-channel switches. The active-high enable and fault flag with 3ms transient filter simplify system design. Soft-start circuitry minimizes inrush current with highly capacitive loads. The 8-pin SOIC package is pin-compatible with MIC2525.","working_principle":"The MIC2025 uses an internal N-channel MOSFET as the pass element, driven by an internal charge pump to achieve high-side switching with an on-resistance of 90mOhm. When the EN pin is driven high, the charge pump activates and the MOSFET turns on. Current limiting is implemented with a sense resistor and comparator; if output current exceeds the limit, the MOSFET is throttled. Thermal shutdown disables the switch if junction temperature exceeds the threshold. The FLG output is an open-drain flag that asserts low during overcurrent or thermal fault conditions, with an internal 3ms filter to ignore transient spikes. Soft-start ramps the gate voltage gradually to limit inrush current.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>EN<\/td>Enable Input (Active High)<\/td><\/tr>
      2<\/td>FLG<\/td>Fault Status Output (Open-Drain)<\/td><\/tr>
      3<\/td>GND<\/td>Ground<\/td><\/tr>
      4<\/td>NC<\/td>No Connect<\/td><\/tr>
      5<\/td>NC<\/td>No Connect<\/td><\/tr>
      6<\/td>OUT<\/td>Switch Output to Load<\/td><\/tr>
      7<\/td>IN<\/td>Power Input (2.7-5.5V)<\/td><\/tr>
      8<\/td>OUT<\/td>Switch Output to Load<\/td><\/tr><\/table>","application_scenarios":"
      • USB downstream port power switching and protection<\/li>
      • PC peripheral hot-plug power control<\/li>
      • Self-powered and bus-powered USB hub port power<\/li>
      • General-purpose high-side load switching<\/li>
      • Battery-powered system load isolation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Outputs<\/th>Notes<\/th><\/tr>
        Microchip<\/td>MIC2075-1YM TR<\/td>1<\/td>Circuit breaker mode version<\/td><\/tr>
        Microchip<\/td>MIC2525-1YM TR<\/td>1<\/td>Pin-compatible, adjustable current limit<\/td><\/tr>
        TI<\/td>TPS2051<\/td>1<\/td>USB power switch equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10380","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=10380"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10380\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10380"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}