{"id":9168,"date":"2026-07-02T12:01:48","date_gmt":"2026-07-02T12:01:48","guid":{"rendered":"https:\/\/materialparts.com\/mpq4483gv-aec1-z\/"},"modified":"2026-07-02T12:01:48","modified_gmt":"2026-07-02T12:01:48","slug":"mpq4483gv-aec1-z","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/mpq4483gv-aec1-z\/","title":{"rendered":"MPQ4483GV-AEC1-Z"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The MPQ4483GV-AEC1-Z is a Monolithic Power Systems (MPS) AEC-Q100 Grade 1 qualified 3A, 36V synchronous step-down converter with USB charging port support. It integrates BC 1.2 DCP and CDP modes, Apple Divider mode, bidirectional USB 2.0 data switching, and ground-to-battery short protection, making it a complete automotive USB charging solution.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u8f93\u5165\u7535\u538b\u8303\u56f4<\/td>\n4.2V to 36V<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\n3A<\/td>\n<\/tr>\n
Output Voltage Range<\/td>\n1V to 20V (adjustable)<\/td>\n<\/tr>\n
High-Side RDS(ON)<\/td>\n25m\u03a9<\/td>\n<\/tr>\n
Low-Side RDS(ON)<\/td>\n20m\u03a9<\/td>\n<\/tr>\n
Integrated Sense Resistor<\/td>\n4m\u03a9 (ground-sensing)<\/td>\n<\/tr>\n
\u5f00\u5173\u9891\u7387<\/td>\n200kHz to 2.2MHz (adjustable)<\/td>\n<\/tr>\n
USB Modes<\/td>\nBC 1.2 DCP\/CDP, Apple Divider, 1.2V\/1.2V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u8d44\u683c<\/td>\nAEC-Q100 Grade 1<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • AEC-Q100 Grade 1 qualified for automotive USB charging<\/li>\n
  • BC 1.2 DCP\/CDP and Apple Divider mode support<\/li>\n
  • Bidirectional USB 2.0 high-speed data switching<\/li>\n
  • Integrated 4m\u03a9 ground-sensing resistor for CC limit<\/li>\n
  • Adjustable two-level constant-current (CC) limit<\/li>\n
  • Spread spectrum option at 450kHz for EMI reduction<\/li>\n
  • Ground-to-battery short protection driver<\/li>\n
  • Adjustable line drop compensation<\/li>\n
  • LDO mode for cold-crank low dropout operation<\/li>\n
  • Output over-voltage protection (OVP)<\/li>\n
  • Wettable flank QFN-25 package for automotive solder inspection<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Automotive USB charging ports (Type-A and Type-C)<\/li>\n
    • Car infotainment USB power delivery<\/li>\n
    • Automotive rear-seat USB chargers<\/li>\n
    • Industrial USB hub power supplies<\/li>\n
    • Automotive accessory power outlets<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MPQ4483GV-AEC1-Z is a Monolithic Power Systems (MPS) AEC-Q100 Grade 1 qualified 3A, 36V synchronous step-down converter with USB charging port support. It integrates BC 1.2 DCP and CDP modes, Apple Divider mode, bidirectional USB 2.0 data switching, and ground-to-battery short protection, making it a complete automotive USB charging solution. 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":[31,13],"tags":[],"chip_brand":[172],"class_list":["post-9168","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-mps"],"acf":{"brief_explanation":"AEC-Q100 G1 3A 36V USB buck converter, BC1.2 DCP\/CDP, Apple Divider, data switch, QFN-25","date_code":"","package_case":"QFN-25 (4mm x 5mm) with wettable flanks","in_stock":50000,"datasheet":"https:\/\/www.monolithicpower.com\/en\/mpq4483-aec1.html","price":"$1.95 @ 1ku","product_introduction":"The MPQ4483GV-AEC1-Z is an MPS AEC-Q100 Grade 1 qualified 3A, 36V synchronous step-down converter with integrated USB charging port support. It provides BC 1.2 DCP\/CDP modes, Apple Divider mode, and bidirectional USB 2.0 high-speed data switching. The integrated 4m\u03a9 ground-sensing resistor and adjustable two-level CC limit enable precise USB current management. Features include ground-to-battery short protection, spread spectrum for EMI, LDO mode for cold-crank, and wettable flank QFN-25 package for automotive solder inspection.","working_principle":"The MPQ4483GV-AEC1-Z operates as a synchronous buck converter with integrated USB charging intelligence. The 25m\u03a9\/20m\u03a9 MOSFET pair switches at 200kHz-2.2MHz to regulate the output voltage. The integrated 4m\u03a9 ground-sensing resistor provides accurate output current measurement for CC limit functionality. The USB mode detection logic automatically identifies the connected device type and configures the D+\/D- data pins for BC 1.2 DCP, CDP, Apple Divider, or 1.2V\/1.2V modes. The bidirectional USB 2.0 data switch routes high-speed data signals between the USB port and the host controller. The adjustable two-level CC limit allows different current thresholds for normal and high-power charging. Ground-to-battery short protection detects and protects against fault conditions where the ground connection is shorted to battery voltage. The spread spectrum function dithers the switching frequency around 450kHz to reduce peak EMI emissions.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1-4<\/td>VIN<\/td>Input supply (4.2-36V)<\/td><\/tr>
      5-8<\/td>PGND<\/td>Power ground<\/td><\/tr>
      9-10<\/td>SW<\/td>Switch node output<\/td><\/tr>
      11<\/td>BST<\/td>Bootstrap capacitor<\/td><\/tr>
      12<\/td>VCC<\/td>Internal LDO output<\/td><\/tr>
      13<\/td>EN<\/td>Enable input<\/td><\/tr>
      14<\/td>FB<\/td>Feedback voltage input<\/td><\/tr>
      15<\/td>COMP<\/td>Loop compensation<\/td><\/tr>
      16<\/td>FREQ\/SYNC<\/td>Frequency set \/ sync<\/td><\/tr>
      17<\/td>ILIM1\/ILIM2<\/td>CC limit set pins<\/td><\/tr>
      18-19<\/td>D+\/D-<\/td>USB data switch pins<\/td><\/tr>
      20-25<\/td>SGND\/PG<\/td>Signal ground \/ power good<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive center console USB-A charging port with BC1.2 DCP mode at 5V\/2.4A<\/li>\n
      • Car rear-seat USB-C charging with CDP mode and data pass-through<\/li>\n
      • Automotive infotainment USB hub with Apple and Android device charging<\/li>\n
      • Industrial USB charging station with ground-to-battery short protection<\/li>\n
      • Automotive accessory 12V to 5V\/3A power supply with spread spectrum EMI<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        MPQ4483GV-FD-AEC1-Z<\/td>MPS<\/td>Same device, forced discharge variant<\/td><\/tr>
        MPQ4228GRE-C-AEC1<\/td>MPS<\/td>3A, 36V, Type-C 5V@3A DFP mode<\/td><\/tr>
        MAX20404<\/td>ADI<\/td>3.5A USB buck, AEC-Q100<\/td><\/tr>
        TPS2549<\/td>TI<\/td>USB charging switch + D+\/D-<\/td><\/tr>
        AP64500<\/td>Diodes Inc<\/td>5A USB buck converter<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=9168"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9168\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=9168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=9168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=9168"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=9168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}