{"id":8722,"date":"2026-06-30T05:19:55","date_gmt":"2026-06-30T05:19:55","guid":{"rendered":"https:\/\/materialparts.com\/lmr50410xdbvr\/"},"modified":"2026-06-30T05:19:55","modified_gmt":"2026-06-30T05:19:55","slug":"lmr50410xdbvr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/lmr50410xdbvr\/","title":{"rendered":"LMR50410XDBVR"},"content":{"rendered":"

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

The LMR50410XDBVR is a Texas Instruments AEC-Q100 qualified 40-V, 0.5-A ultra-small buck converter with integrated MOSFETs. It features a wide input range of 4 V to 40 V, 1 MHz or 2.2 MHz switching frequency options, and a tiny SOT-23 (6-pin) package. The X suffix denotes the automotive grade with extended temperature range to +150\u00b0C junction.<\/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
\u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n4 V to 40 V<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n0.5 A<\/td>\n<\/tr>\n
\u062a\u0631\u062f\u062f \u0627\u0644\u062a\u062d\u0648\u064a\u0644<\/td>\n1 MHz \/ 2.2 MHz<\/td>\n<\/tr>\n
IQ (operating)<\/td>\n16 \u00b5A (typical)<\/td>\n<\/tr>\n
IQ (shutdown)<\/td>\n1.5 \u00b5A (typical)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-23-6<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • AEC-Q100 Grade 0 qualified (up to 150\u00b0C TJ)<\/li>\n
  • 4 V to 40 V input range<\/li>\n
  • 0.5 A output current<\/li>\n
  • 16 \u00b5A operating quiescent current<\/li>\n
  • 1.5 \u00b5A shutdown current<\/li>\n
  • 1 MHz or 2.2 MHz switching<\/li>\n
  • Internal compensation<\/li>\n
  • SOT-23-6 package<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Automotive always-on systems<\/li>\n
    • ADAS and camera modules<\/li>\n
    • Industrial sensor power supplies<\/li>\n
    • Battery-powered IoT devices<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LMR50410XDBVR is a Texas Instruments AEC-Q100 qualified 40-V, 0.5-A ultra-small buck converter with integrated MOSFETs. It features a wide input range of 4 V to 40 V, 1 MHz or 2.2 MHz switching frequency options, and a tiny SOT-23 (6-pin) package. The X suffix denotes the automotive grade with extended temperature range […]<\/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":[31,13],"tags":[],"chip_brand":[138],"class_list":["post-8722","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"AEC-Q100 40V 0.5A ultra-small buck converter, 16\u00b5A IQ, SOT-23-6, automotive grade","date_code":"","package_case":"SOT-23-6 (2.9 x 1.6 x 1.1 mm)","in_stock":8970,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lmr50410-q1.pdf","price":"","product_introduction":"The LMR50410XDBVR is a Texas Instruments AEC-Q100 Grade 0 qualified synchronous buck converter supporting 4 V to 40 V input and 0.5 A output current. With only 16 \u00b5A operating quiescent current and 1.5 \u00b5A shutdown current, it is optimized for automotive always-on systems where battery drain must be minimized. The device integrates both high-side and low-side MOSFETs, requires no external compensation, and operates at 1 MHz or 2.2 MHz switching frequency. The Grade 0 qualification supports junction temperatures up to 150\u00b0C, making it suitable for under-hood automotive applications. The SOT-23-6 package provides a minimal PCB footprint.","working_principle":"The LMR50410 operates as a synchronous peak-current-mode buck converter with integrated power MOSFETs. During the on-phase, the high-side NMOS connects the input to the inductor, ramping up inductor current. During the off-phase, the low-side NMOS synchronous rectifier provides a low-loss path for inductor current. Peak-current-mode control compares the peak inductor current with the error amplifier output to regulate the output voltage. Internal compensation eliminates external compensation components. At light loads, the device enters pulse-frequency modulation (PFM) mode to maintain high efficiency by skipping switching cycles. The frequency foldback feature reduces switching frequency during dropout conditions to maintain regulation.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1<\/td>CB<\/td>Bootstrap capacitor<\/td><\/tr>
      2<\/td>VIN<\/td>Input supply (4-40V)<\/td><\/tr>
      3<\/td>SW<\/td>Switch node (inductor)<\/td><\/tr>
      4<\/td>GND<\/td>Ground<\/td><\/tr>
      5<\/td>FB<\/td>Feedback input<\/td><\/tr>
      6<\/td>EN<\/td>Enable (active high)<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive always-on CAN\/LIN transceiver supply with 16\u00b5A IQ for minimal battery drain<\/li>\n
      • ADAS camera module 3.3V\/5V power from 12V automotive battery<\/li>\n
      • Industrial 24V sensor and actuator power with wide 4-40V input range<\/li>\n
      • Battery-powered IoT and remote monitoring with 1.5\u00b5A shutdown current<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        LMR50410DBVR<\/td>TI<\/td>Non-automotive (catalog) version<\/td><\/tr>
        LM5160<\/td>TI<\/td>65V, 0.5A, similar ultra-small<\/td><\/tr>
        MAX20003<\/td>Maxim<\/td>36V, 3A automotive buck<\/td><\/tr>
        TPS563200<\/td>TI<\/td>5.5V, 3A, lower voltage<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=8722"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8722\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=8722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=8722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=8722"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=8722"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}