{"id":5518,"date":"2026-06-10T04:21:49","date_gmt":"2026-06-10T04:21:49","guid":{"rendered":"https:\/\/materialparts.com\/acs711klctr-25ab-t\/"},"modified":"2026-06-10T04:21:49","modified_gmt":"2026-06-10T04:21:49","slug":"acs711klctr-25ab-t","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/acs711klctr-25ab-t\/","title":{"rendered":"ACS711KLCTR-25AB-T"},"content":{"rendered":"

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

The ACS711KLCTR-25AB-T from Allegro MicroSystems is a 25A Hall-effect current sensor with 3.3V supply and 55mV\/A sensitivity in an SOIC-8 package. The K denotes the -25A to +25A range, L denotes 3.3V supply, 25AB denotes +\/-25A bidirectional, and T denotes tape and reel. With 1.5kV isolation and fault detection, it is designed for motor control and power management.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Current Range<\/td>\n-25A to +25A (bidirectional)<\/td>\n<\/tr>\n
Sensitivity<\/td>\n55mV\/A<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n3.0V to 3.6V (3.3V typical)<\/td>\n<\/tr>\n
Isolation<\/td>\n1500Vrms (basic)<\/td>\n<\/tr>\n
Accuracy<\/td>\n+\/-3% at 25C<\/td>\n<\/tr>\n
Bandwidth<\/td>\n100kHz<\/td>\n<\/tr>\n
Output Offset<\/td>\n1.5V (VCC\/2) at zero current<\/td>\n<\/tr>\n
Response Time<\/td>\n5us<\/td>\n<\/tr>\n
Fault Detection<\/td>\nOvercurrent fault output<\/td>\n<\/tr>\n
Operating Temp<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOIC-8<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 25A bidirectional current sensing<\/li>\n
  • 55mV\/A sensitivity with 3.3V supply<\/li>\n
  • 1.5kVrms galvanic isolation<\/li>\n
  • 100kHz bandwidth for transient capture<\/li>\n
  • Integrated overcurrent fault detection<\/li>\n
  • 1.5V zero-current output (VCC\/2 offset)<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Motor drive current sensing<\/li>\n
    • Battery charge\/discharge monitoring<\/li>\n
    • Solar inverter current feedback<\/li>\n
    • Power supply load monitoring<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ACS711KLCTR-25AB-T from Allegro MicroSystems is a 25A Hall-effect current sensor with 3.3V supply and 55mV\/A sensitivity in an SOIC-8 package. The K denotes the -25A to +25A range, L denotes 3.3V supply, 25AB denotes +\/-25A bidirectional, and T denotes tape and reel. With 1.5kV isolation and fault detection, it is designed for […]<\/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":[13,42],"tags":[],"chip_brand":[],"class_list":["post-5518","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-sensors"],"acf":{"brief_explanation":"25A current sensor, 3.3V, 55mV\/A, SOIC-8","date_code":"","package_case":"SOIC-8 (4.9 x 3.9 mm)","in_stock":14521,"datasheet":"https:\/\/www.allegromicro.com\/en\/products\/sense\/current-sensor-ics\/acs711","price":"$2.50 @ 1ku","product_introduction":"The ACS711KLCTR-25AB-T from Allegro MicroSystems is a 25A Hall-effect current sensor with 3.3V supply and 55mV\/A sensitivity in an SOIC-8 package. The K denotes the -25A to +25A range, L denotes 3.3V supply, 25AB denotes +\/-25A bidirectional, and T denotes tape and reel. With 1.5kV isolation and fault detection, it is designed for motor control and power management.","working_principle":"The ACS711KLCTR-25AB-T operates as described in the product overview. Key subsystems include the input stage, processing\/gain stage, output stage, and protection circuitry as detailed in the datasheet.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>IP+<\/td>Input<\/td>Primary current positive<\/td><\/tr>
      2<\/td>IP+<\/td>Input<\/td>Primary current positive<\/td><\/tr>
      3<\/td>IP-<\/td>Input<\/td>Primary current negative<\/td><\/tr>
      4<\/td>IP-<\/td>Input<\/td>Primary current negative<\/td><\/tr>
      5<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>
      6<\/td>FAULT<\/td>Output<\/td>Overcurrent fault (active low)<\/td><\/tr>
      7<\/td>VIOUT<\/td>Output<\/td>Analog output (55mV\/A)<\/td><\/tr>
      8<\/td>VCC<\/td>Power<\/td>Supply (3.0-3.6V)<\/td><\/tr><\/table>","application_scenarios":"
      • Motor drive current sensing<\/li>
      • Battery charge\/discharge monitoring<\/li>
      • Solar inverter current feedback<\/li>
      • Power supply load monitoring<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Package<\/th>Notes<\/th><\/tr>
        ACS712ELCTR-30A-T<\/td>Allegro<\/td>SOIC-8<\/td>5V supply, 30A version<\/td><\/tr>
        ACS723LLCTR-10AU-T<\/td>Allegro<\/td>SOIC-8<\/td>10A, higher sensitivity<\/td><\/tr>
        INA240A1PWR<\/td>TI<\/td>TSSOP-8<\/td>Digital, enhanced PWM rejection<\/td><\/tr>
        ACS37800KMACTR-015B3<\/td>Allegro<\/td>SOIC-16<\/td>Power\/energy monitor<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5518","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=5518"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5518\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5518"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}