{"id":3687,"date":"2026-06-08T02:02:09","date_gmt":"2026-06-08T02:02:09","guid":{"rendered":"https:\/\/materialparts.com\/sn6501qdbvrq1\/"},"modified":"2026-06-08T02:02:09","modified_gmt":"2026-06-08T02:02:09","slug":"sn6501qdbvrq1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/sn6501qdbvrq1\/","title":{"rendered":"SN6501QDBVRQ1"},"content":{"rendered":"

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

The SN6501QDBVRQ1 from Texas Instruments is an automotive-grade transformer driver for isolated power supplies. It drives center-tapped transformers from 3.3V or 5V supplies with 350mA output current at 410kHz in a tiny SOT-23-5 package.<\/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
\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/td>\nTransformer Driver for Isolated Power<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n3.0V to 5.5V<\/td>\n<\/tr>\n
Primary Drive Current<\/td>\n350mA @ 5V, 150mA @ 3.3V<\/td>\n<\/tr>\n
\u062a\u0631\u062f\u062f \u0627\u0644\u062a\u062d\u0648\u064a\u0644<\/td>\n410kHz @ 5V, 360kHz @ 3.3V<\/td>\n<\/tr>\n
Switch RDS(ON)<\/td>\n0.6Ohm (typ @ 5V)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to 125 C<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0624\u0647\u0644\u0627\u062a<\/td>\nAEC-Q100 Grade 1<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-23-5<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Push-pull driver for small transformers<\/li>\n
  • 3.3V or 5V single supply operation<\/li>\n
  • Low output ripple for small output capacitors<\/li>\n
  • Break-before-make switching logic<\/li>\n
  • Automotive AEC-Q100 Grade 1 qualified<\/li>\n
  • Functional safety documentation available<\/li>\n
  • Compact 5-pin SOT-23 package<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Isolated RS-485\/CAN power supplies<\/li>\n
    • Isolated ADC\/DAC interfaces<\/li>\n
    • Automotive isolated communication<\/li>\n
    • Industrial automation isolated power<\/li>\n
    • Medical equipment isolated supplies<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SN6501QDBVRQ1 from Texas Instruments is an automotive-grade transformer driver for isolated power supplies. It drives center-tapped transformers from 3.3V or 5V supplies with 350mA output current at 410kHz in a tiny SOT-23-5 package. Key Specifications Function Transformer Driver for Isolated Power Supply Voltage 3.0V to 5.5V Primary Drive Current 350mA @ 5V, […]<\/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":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-3687","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"Automotive transformer driver, 3-5.5V, 350mA, 410kHz, isolated power, SOT-23-5","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 x 1.1 mm)","in_stock":7228,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/sn6501-q1.pdf","price":"$0.89 @ 1ku","product_introduction":"The SN6501QDBVRQ1 from Texas Instruments is an automotive-grade monolithic oscillator and power driver specifically designed for isolated interface applications requiring small form factor isolated power supplies. The device drives the primary side of center-tapped transformers from a 3.3V or 5V DC supply, providing push-pull drive with break-before-make logic to prevent shoot-through currents. At 5V supply, the device delivers up to 350mA primary drive current at a 410kHz switching frequency, while at 3.3V it delivers 150mA at 360kHz. The low RDS(ON) of 0.6Ohm minimizes power dissipation. AEC-Q100 Grade 1 qualified, the SN6501QDBVRQ1 is designed for automotive applications and supports functional safety system design. The device is available in a tiny 5-pin SOT-23 package rated for -40 to 125 C operation.","working_principle":"The SN6501QDBVRQ1 operates as a self-oscillating push-pull transformer driver. Key subsystems include: (1) Internal Oscillator - generates a fixed-frequency clock (410kHz at 5V) that drives the switching logic; (2) Gate Drive Logic - provides complementary drive signals to two internal N-channel MOSFET switches with break-before-make timing; (3) Push-Pull Switches - two N-channel MOSFETs (D1 and D2) alternately connect each end of the transformer primary winding to ground, creating alternating magnetic flux; (4) Center-Tap Connection - the VCC pin connects to the transformer primary center-tap, providing the supply current path; (5) Voltage Isolation - the transformer provides galvanic isolation between primary and secondary sides, with output voltage determined by the transformer turns ratio.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>D1<\/td>Output<\/td>Open-drain output 1, connect to transformer primary<\/td><\/tr>
      2<\/td>VCC<\/td>Power<\/td>Supply voltage, connect to transformer center-tap<\/td><\/tr>
      3<\/td>D2<\/td>Output<\/td>Open-drain output 2, connect to transformer primary<\/td><\/tr>
      4<\/td>GND<\/td>Ground<\/td>Ground connection<\/td><\/tr>
      5<\/td>GND<\/td>Ground<\/td>Ground connection<\/td><\/tr><\/table>","application_scenarios":"
      • Isolated RS-485 and CAN bus transceiver power supplies<\/li>
      • Isolated ADC and DAC interface power<\/li>
      • Automotive isolated communication module power<\/li>
      • Industrial PLC and DCS isolated supply rails<\/li>
      • Medical equipment isolated power for patient interfaces<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Texas Instruments<\/td>SN6501DBVR<\/td>SOT-23-5<\/td>Non-automotive grade<\/td><\/tr>
        Texas Instruments<\/td>SN6505BDBVR<\/td>SOT-23-6<\/td>2W output, higher power<\/td><\/tr>
        Maxim Integrated<\/td>MAX256EWI+<\/td>SOIC-20<\/td>Isolated driver, 3W<\/td><\/tr>
        Infineon<\/td>2ED2410-EM<\/td>DSO-14<\/td>Isolated gate driver<\/td><\/tr>
        Silicon Labs<\/td>Si882x<\/td>QFN-16<\/td>Digital isolator + power<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3687","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=3687"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3687\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3687"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3687"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}