{"id":5243,"date":"2026-06-09T10:37:40","date_gmt":"2026-06-09T10:37:40","guid":{"rendered":"https:\/\/materialparts.com\/tda21470\/"},"modified":"2026-06-09T10:37:40","modified_gmt":"2026-06-09T10:37:40","slug":"tda21470","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tda21470\/","title":{"rendered":"TDA21470"},"content":{"rendered":"

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

TDA21470 from ST is a 3-phase gate driver for motor control. 600V bootstrap. 4A output. Interlocking. UVLO. DESAT. LQFP-48.<\/p>\n

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

Three half-bridge drivers in one IC. Bootstrap for high-side. Interlocking prevents shoot-through. UVLO and DESAT protection. SPI for diagnostics. Direct PWM input from MCU.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n
\u522b\u9488\u7ec4<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
\u5927\u95e8<\/td>\nGH1-3\/GL1-3<\/td>\nGate outputs<\/td>\n<\/tr>\n
\u7535\u6e90<\/td>\nBOOT1-3\/COM<\/td>\nBootstrap\/common<\/td>\n<\/tr>\n
\u8f93\u5165<\/td>\nIN1-3\/EN<\/td>\nPWM\/enable<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • 3-phase BLDC motor drive<\/li>\n
  • PMSM inverter<\/li>\n
  • Industrial servo<\/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
    ST<\/td>\nTDA21472<\/td>\nEnhanced version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview TDA21470 from ST is a 3-phase gate driver for motor control. 600V bootstrap. 4A output. Interlocking. UVLO. DESAT. LQFP-48. Working Principle Three half-bridge drivers in one IC. Bootstrap for high-side. Interlocking prevents shoot-through. UVLO and DESAT protection. SPI for diagnostics. Direct PWM input from MCU. Pin Description Pin Group Name Function Gate GH1-3\/GL1-3 […]<\/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":[36,13],"tags":[],"chip_brand":[142],"class_list":["post-5243","post","type-post","status-publish","format-standard","hentry","category-gate-driver-ics","category-integrated-circuits-ics","chip_brand-st"],"acf":{"brief_explanation":"3-phase gate driver, 600V, 4A, LQFP-48","date_code":"","package_case":"LQFP-48 (7.0 x 7.0 x 1.45mm)","in_stock":8100,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/tda21470.pdf","price":"$5.50 @ 1ku","product_introduction":"TDA21470 from ST is a 3-phase gate driver for motor control. 600V bootstrap. 4A output. Interlocking. UVLO. DESAT. LQFP-48.","working_principle":"Three half-bridge drivers in one IC. Bootstrap for high-side. Interlocking prevents shoot-through. UVLO and DESAT protection. SPI for diagnostics. Direct PWM input from MCU.","pin_description":"
    Pin Group<\/th>Name<\/th>Function<\/th><\/tr>
    Gate<\/td>GH1-3\/GL1-3<\/td>Gate outputs<\/td><\/tr>
    Power<\/td>BOOT1-3\/COM<\/td>Bootstrap\/common<\/td><\/tr>
    Input<\/td>IN1-3\/EN<\/td>PWM\/enable<\/td><\/tr><\/table>","application_scenarios":"
    • 3-phase BLDC motor drive<\/li>
    • PMSM inverter<\/li>
    • Industrial servo<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      ST<\/td>TDA21472<\/td>Enhanced version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5243","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=5243"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5243\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5243"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}