{"id":7595,"date":"2026-06-26T06:52:03","date_gmt":"2026-06-26T06:52:03","guid":{"rendered":"https:\/\/materialparts.com\/bts3408g\/"},"modified":"2026-06-26T14:52:46","modified_gmt":"2026-06-26T14:52:46","slug":"bts3408g","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/bts3408g\/","title":{"rendered":"BTS3408G"},"content":{"rendered":"

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

The BTS3408G from Infineon is a quad-channel protected low-side power switch in PG-DSO-14 package, designed for automotive and industrial applications with integrated overtemperature, overcurrent, and short-circuit protection.<\/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\n\n\n
\u0627\u0644\u0642\u0646\u0648\u0627\u062a<\/td>\n4 low-side switches<\/td>\n<\/tr>\n
RDS(ON) per channel<\/td>\n200 mOhm typical<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n5.5 to 40V<\/td>\n<\/tr>\n
Current per channel<\/td>\n1.2A<\/td>\n<\/tr>\n
Input Logic<\/td>\n3.3V \/ 5V compatible<\/td>\n<\/tr>\n
Protection<\/td>\nOvertemp, overcurrent, short circuit, ESD<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nPG-DSO-14 (SO-14)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to +150 C<\/td>\n<\/tr>\n
Diagnosis<\/td>\nOpen-load and short to VP detection<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Four independent low-side power switches<\/li>\n
  • Low RDS(ON) of 200mOhm per channel<\/li>\n
  • Integrated overtemperature shutdown with auto-restart<\/li>\n
  • Overcurrent and short-circuit protection<\/li>\n
  • 3.3V and 5V logic compatible inputs<\/li>\n
  • Open-load and short-to-VP diagnosis<\/li>\n
  • Automotive qualified (AEC-Q100)<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Automotive body electronics and lighting<\/li>\n
    • Industrial relay and solenoid drivers<\/li>\n
    • LED driving and control<\/li>\n
    • General-purpose resistive and inductive load switching<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BTS3408G from Infineon is a quad-channel protected low-side power switch in PG-DSO-14 package, designed for automotive and industrial applications with integrated overtemperature, overcurrent, and short-circuit protection. Key Specifications Channels 4 low-side switches RDS(ON) per channel 200 mOhm typical Supply Voltage 5.5 to 40V Current per channel 1.2A Input Logic 3.3V \/ 5V […]<\/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":[36,13],"tags":[],"chip_brand":[173],"class_list":["post-7595","post","type-post","status-publish","format-standard","hentry","category-gate-driver-ics","category-integrated-circuits-ics","chip_brand-infineon"],"acf":{"brief_explanation":"Quad low-side power switch, 40V\/1.2A per ch, 200mOhm, automotive AEC-Q100, SO-14","date_code":"","package_case":"PG-DSO-14 (SO-14, 8.75 x 3.9 mm)","in_stock":2409,"datasheet":"https:\/\/www.infineon.com\/dgdl\/Infineon-BTS3408G-DS-v01_00-EN.pdf","price":"$1.15 @ 1ku","product_introduction":"

      The BTS3408G from Infineon is a quad-channel protected low-side power switch designed for driving resistive, inductive, and capacitive loads in automotive and industrial applications. Each of the four channels features a low RDS(ON) of 200mOhm and can handle up to 1.2A of continuous current. The device operates from a supply voltage of 5.5V to 40V and features 3.3V\/5V compatible logic inputs, enabling direct interfacing with microcontrollers. Comprehensive protection is integrated on each channel including overtemperature shutdown with automatic restart, overcurrent limitation, and short-circuit protection. Diagnosis features include open-load detection and short-to-VP detection. The BTS3408G is automotive qualified to AEC-Q100 grade 0 and operates over the full -40C to +150C temperature range.<\/p>","working_principle":"

      The BTS3408G operates through four independent low-side switch channels, each containing three main subsystems: (1) Power stage - An N-channel vertical power MOSFET connects the load to ground when activated. The MOSFET is fabricated using Infineon's SMART power technology with a typical RDS(ON) of 200mOhm. When the logic input is driven high, the gate driver turns on the MOSFET, allowing current to flow from the load through the switch to ground. (2) Protection circuits - Each channel includes an overcurrent limiter that restricts current to a safe level during short-circuit conditions. An overtemperature sensor monitors junction temperature and shuts down the affected channel when it exceeds the threshold (approximately 170C), automatically restarting when the temperature drops. Reverse battery protection and ESD protection are also integrated. (3) Diagnosis logic - Each channel provides status feedback. Open-load detection monitors for disconnected loads when the switch is on, while short-to-VP detection identifies loads shorted to the positive supply. These diagnosis flags are accessible through individual status outputs.<\/p>","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>IN1<\/td>Logic input channel 1<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td><\/tr>
      3<\/td>IN2<\/td>Logic input channel 2<\/td><\/tr>
      4<\/td>GND<\/td>Ground<\/td><\/tr>
      5<\/td>OUT2<\/td>Output channel 2<\/td><\/tr>
      6<\/td>OUT1<\/td>Output channel 1<\/td><\/tr>
      7<\/td>VP<\/td>Supply voltage<\/td><\/tr>
      8<\/td>OUT3<\/td>Output channel 3<\/td><\/tr>
      9<\/td>OUT4<\/td>Output channel 4<\/td><\/tr>
      10<\/td>GND<\/td>Ground<\/td><\/tr>
      11<\/td>IN3<\/td>Logic input channel 3<\/td><\/tr>
      12<\/td>IN4<\/td>Logic input channel 4<\/td><\/tr>
      13<\/td>GND<\/td>Ground<\/td><\/tr>
      14<\/td>VP<\/td>Supply voltage<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive body electronics driving exterior and interior lighting with integrated short-circuit protection<\/li>
      • Industrial relay and solenoid drivers with overtemperature shutdown and auto-restart<\/li>
      • Automotive LED driving with open-load and short-to-VP diagnosis<\/li>
      • General-purpose resistive and inductive load switching up to 40V supply in AEC-Q100 applications<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        BTS3405G<\/td>Infineon<\/td>Quad, 45V, 1.0A per ch<\/td><\/tr>
        TPL9202<\/td>TI<\/td>Quad low-side, 40V, 500mA<\/td><\/tr>
        MC33879<\/td>NXP<\/td>Quad low-side, 40V, 1A<\/td><\/tr>
        VNQ7140AJ<\/td>STMicroelectronics<\/td>Quad, 40V, 1A, SPI diagnosis<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7595","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=7595"}],"version-history":[{"count":2,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7595\/revisions"}],"predecessor-version":[{"id":7761,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7595\/revisions\/7761"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=7595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=7595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=7595"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=7595"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}