{"id":5189,"date":"2026-06-09T10:12:31","date_gmt":"2026-06-09T10:12:31","guid":{"rendered":"https:\/\/materialparts.com\/ulq2004atdrq1\/"},"modified":"2026-06-09T10:12:31","modified_gmt":"2026-06-09T10:12:31","slug":"ulq2004atdrq1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ulq2004atdrq1\/","title":{"rendered":"ULQ2004ATDRQ1"},"content":{"rendered":"

Productos<\/h2>\n

ULQ2004ATDRQ1 from ST is an automotive AEC-Q100 7-channel Darlington array with clamp diodes. 500mA\/channel. hFE greater than 1000 allows direct MCU GPIO drive. TDRQ1 = SOIC-16 tape-and-reel automotive grade.<\/p>\n

Principio de funcionamiento<\/h2>\n

Darlington pair: two cascaded NPN transistors. Small base current amplified by both stages. Clamp diodes protect against inductive kickback. Common emitter sinks load current to ground.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n
Pin<\/th>\nNombre<\/th>\nFunci\u00f3n<\/th>\n<\/tr>\n
1-7<\/td>\nINPUT 1-7<\/td>\nLogic inputs<\/td>\n<\/tr>\n
8<\/td>\nGND<\/td>\nSuelo<\/td>\n<\/tr>\n
9<\/td>\nCOM<\/td>\nClamp common<\/td>\n<\/tr>\n
10-16<\/td>\nOUTPUT 7-1<\/td>\nDarlington outputs<\/td>\n<\/tr>\n<\/table>\n

Aplicaciones<\/h2>\n
    \n
  • Automotive relay\/solenoid drivers<\/li>\n
  • Stepper motor unipolar<\/li>\n
  • 12V lamp\/LED control<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n\n
    Fabricante<\/th>\nN\u00famero de pieza<\/th>\nNotas<\/th>\n<\/tr>\n
    ST<\/td>\nULN2003ATDRQ1<\/td>\n6V input version<\/td>\n<\/tr>\n
    TI<\/td>\nULN2003AIPWR<\/td>\nTSSOP version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview ULQ2004ATDRQ1 from ST is an automotive AEC-Q100 7-channel Darlington array with clamp diodes. 500mA\/channel. hFE greater than 1000 allows direct MCU GPIO drive. TDRQ1 = SOIC-16 tape-and-reel automotive grade. Working Principle Darlington pair: two cascaded NPN transistors. Small base current amplified by both stages. Clamp diodes protect against inductive kickback. Common emitter sinks […]<\/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-5189","post","type-post","status-publish","format-standard","hentry","category-gate-driver-ics","category-integrated-circuits-ics","chip_brand-st"],"acf":{"brief_explanation":"7-ch Darlington array, 50V\/500mA, AEC-Q100, SOIC-16","date_code":"","package_case":"SOIC-16 (9.9 x 3.9 x 1.5mm, 1.27mm pitch)","in_stock":2488,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/ulq2004a.pdf","price":"$0.60 @ 1ku","product_introduction":"ULQ2004ATDRQ1 from ST is an automotive AEC-Q100 7-channel Darlington array with clamp diodes. 500mA\/channel. hFE greater than 1000 allows direct MCU GPIO drive. TDRQ1 = SOIC-16 tape-and-reel automotive grade.","working_principle":"Darlington pair: two cascaded NPN transistors. Small base current amplified by both stages. Clamp diodes protect against inductive kickback. Common emitter sinks load current to ground.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1-7<\/td>INPUT 1-7<\/td>Logic inputs<\/td><\/tr>
    8<\/td>GND<\/td>Ground<\/td><\/tr>
    9<\/td>COM<\/td>Clamp common<\/td><\/tr>
    10-16<\/td>OUTPUT 7-1<\/td>Darlington outputs<\/td><\/tr><\/table>","application_scenarios":"
    • Automotive relay\/solenoid drivers<\/li>
    • Stepper motor unipolar<\/li>
    • 12V lamp\/LED control<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      ST<\/td>ULN2003ATDRQ1<\/td>6V input version<\/td><\/tr>
      TI<\/td>ULN2003AIPWR<\/td>TSSOP version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=5189"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5189\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5189"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}