{"id":9162,"date":"2026-07-02T11:55:02","date_gmt":"2026-07-02T11:55:02","guid":{"rendered":"https:\/\/materialparts.com\/mpq3910gs\/"},"modified":"2026-07-03T08:04:39","modified_gmt":"2026-07-03T08:04:39","slug":"mpq3910gs","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/mpq3910gs\/","title":{"rendered":"MPQ3910GS"},"content":{"rendered":"

Productos<\/h2>\n

The MPQ3910GS is a Monolithic Power Systems (MPS) 4-switch buck-boost controller for wide input range LED driving and battery charging applications. It operates from 4.5V to 36V input, supports seamless buck-boost transitions, and delivers constant current or constant voltage regulation. The device features analog and PWM dimming for LED applications.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n
Input Voltage Range<\/td>\n4.5V to 36V<\/td>\n<\/tr>\n
Topology<\/td>\n4-switch buck-boost<\/td>\n<\/tr>\n
Switching Frequency<\/td>\n200kHz to 600kHz programmable<\/td>\n<\/tr>\n
Dimming<\/td>\nAnalog + PWM<\/td>\n<\/tr>\n
Output Regulation<\/td>\nConstant Current (CC) \/ Constant Voltage (CV)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 4-switch buck-boost topology for VIN above, below, or equal to VOUT<\/li>\n
  • Seamless transition between buck, boost, and buck-boost modes<\/li>\n
  • Constant current and constant voltage regulation loops<\/li>\n
  • Analog dimming via ISET pin<\/li>\n
  • PWM dimming via DIM pin<\/li>\n
  • Programmable switching frequency with external sync<\/li>\n
  • Output over-voltage and under-voltage protection<\/li>\n
  • Over-temperature shutdown<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Automotive LED headlight drivers<\/li>\n
    • Battery charging and power management<\/li>\n
    • Industrial LED lighting<\/li>\n
    • Solar-powered LED systems<\/li>\n
    • Portable equipment battery management<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MPQ3910GS is a Monolithic Power Systems (MPS) 4-switch buck-boost controller for wide input range LED driving and battery charging applications. It operates from 4.5V to 36V input, supports seamless buck-boost transitions, and delivers constant current or constant voltage regulation. The device features analog and PWM dimming for LED applications. Key Specifications Input […]<\/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":[13,33],"tags":[707],"chip_brand":[172],"class_list":["post-9162","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-led-driver-ics","tag-mpq3910gs","chip_brand-mps"],"acf":{"brief_explanation":"4-switch buck-boost controller, 4.5-36V, CC\/CV, analog\/PWM dimming, SOIC-16 EP","date_code":"","package_case":"SOIC-16 EP (10.3 x 7.5 x 2.35 mm)","in_stock":4320,"datasheet":"https:\/\/www.monolithicpower.com\/en\/mpq3910.html","price":"$2.15 @ 1ku","product_introduction":"The MPQ3910GS is a Monolithic Power Systems 4-switch buck-boost controller for LED driving and battery charging applications. It operates from 4.5V to 36V input and supports seamless transitions between buck, boost, and buck-boost modes. The device provides constant current and constant voltage regulation with analog and PWM dimming support. Programmable switching frequency (200-600kHz) with external sync capability, output OVP\/UVP, and thermal shutdown make it suitable for automotive headlights, battery charging, and industrial LED systems.","working_principle":"The MPQ3910GS controls four external N-channel MOSFETs in a 4-switch buck-boost topology. In buck mode (VIN > VOUT), switches Q1 (high-side) and Q2 (low-side) operate while Q3 is on and Q4 is off. In boost mode (VIN < VOUT), Q3 (low-side) and Q4 (high-side) operate while Q1 is on and Q2 is off. In the buck-boost region (VIN \u2248 VOUT), all four switches operate to maintain output regulation. The seamless mode transition algorithm prevents output voltage dips or spikes during transitions. The CC loop regulates the output current through a sense resistor, while the CV loop limits the maximum output voltage. Analog dimming adjusts the CC reference via the ISET pin, and PWM dimming chops the output current via the DIM pin.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1<\/td>VIN<\/td>Input supply sense (4.5-36V)<\/td><\/tr>
      2<\/td>EN<\/td>Enable input<\/td><\/tr>
      3<\/td>COMP<\/td>Loop compensation output<\/td><\/tr>
      4<\/td>ISENSE<\/td>Current sense input<\/td><\/tr>
      5<\/td>ISET<\/td>Analog dimming input<\/td><\/tr>
      6<\/td>DIM<\/td>PWM dimming input<\/td><\/tr>
      7<\/td>FREQ\/SYNC<\/td>Frequency set \/ external sync<\/td><\/tr>
      8<\/td>VCC<\/td>Internal LDO output<\/td><\/tr>
      9<\/td>BST1<\/td>Bootstrap 1 (buck high-side)<\/td><\/tr>
      10<\/td>SW1<\/td>Switch node 1<\/td><\/tr>
      11<\/td>SW2<\/td>Switch node 2<\/td><\/tr>
      12<\/td>BST2<\/td>Bootstrap 2 (boost high-side)<\/td><\/tr>
      13-16<\/td>HG1\/LG1\/HG2\/LG2<\/td>Gate drive outputs<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive LED headlight driver with 9-16V input and variable LED string voltage<\/li>\n
      • Lithium battery CC\/CV charger with buck-boost input range flexibility<\/li>\n
      • Industrial 12V\/24V LED lighting with analog brightness control<\/li>\n
      • Solar-powered LED system with wide input voltage variation<\/li>\n
      • Portable equipment power path management with bidirectional capability<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        LT3791<\/td>ADI<\/td>60V, 4-switch buck-boost LED driver<\/td><\/tr>
        LM5175<\/td>TI<\/td>4-switch buck-boost, 55V, 10A<\/td><\/tr>
        MPQ3910GS-AEC1<\/td>MPS<\/td>AEC-Q100 qualified version<\/td><\/tr>
        ISL81601<\/td>Renesas<\/td>60V, 4-switch buck-boost controller<\/td><\/tr>
        LTC3780<\/td>ADI<\/td>4-switch buck-boost, 36V, single output<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9162","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=9162"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9162\/revisions"}],"predecessor-version":[{"id":9507,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9162\/revisions\/9507"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=9162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=9162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=9162"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=9162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}