{"product_id":"dc-6-24v-to-5v-usb-output-step-down-buck-module","title":"DC 6-24V to 5V USB Buck Step-Down Power Module","description":"\u003c!-- META (paste these into Shopify → Search engine listing) --\u003e\n\n\u003cstyle\u003e\n .crx-scope{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#1f2937;line-height:1.65}\n .crx-scope h2{font-size:1.6rem;margin:0 0 .25rem}\n .crx-scope h3{font-size:1.15rem;margin:1rem 0 .35rem}\n .crx-scope p{margin:.45rem 0}\n .crx-scope .lead{font-size:1.05rem}\n .crx-scope .card{border:1px solid #e5e7eb;border-radius:12px;padding:14px 14px;margin:.75rem 0;background:#fff}\n .crx-scope ul{margin:.4rem 0 .6rem 1.15rem}\n .crx-scope li{margin:.2rem 0}\n .crx-scope .specs{width:100%;border-collapse:collapse;margin:.5rem 0}\n .crx-scope .specs th,.crx-scope .specs td{border:1px solid #e5e7eb;padding:10px;vertical-align:top}\n .crx-scope .specs th{background:#f9fafb;text-align:left}\n .crx-scope .note{font-size:.95rem;color:#4b5563}\n .crx-scope .mini{font-size:.95rem}\n .crx-scope .links a{word-break:break-word}\n .crx-scope .faq h4{margin:.7rem 0 .25rem;font-size:1.02rem}\n .crx-scope .badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:.85rem;margin-left:.35rem}\n \u003c\/style\u003e\n\u003cdiv class=\"product-copy crx-scope\"\u003e\n\u003ch2\u003eDC 6–24V to 5V USB Output Step-Down \/ Buck Module \u003cspan class=\"badge\"\u003eUp to 3A\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"lead\"\u003eNeed a clean \u003cstrong\u003e5V USB power source\u003c\/strong\u003e but your supply is higher (like 12V\/24V batteries, vehicle power, solar, or adapters)? This compact \u003cstrong\u003ebuck (step-down) converter\u003c\/strong\u003e converts \u003cstrong\u003e6–24V DC\u003c\/strong\u003e input to a steady \u003cstrong\u003e5V USB output\u003c\/strong\u003e for powering USB devices and microcontroller builds.\u003c\/p\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eWhy you’ll want this module\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide input:\u003c\/strong\u003e 6V to 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed output:\u003c\/strong\u003e 5V via USB-A port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh current capable:\u003c\/strong\u003e up to 3A (depends on source + cooling)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection features:\u003c\/strong\u003e input reverse-polarity protection + output overvoltage protection\u003c\/li\u003e\n\u003cli\u003ePerfect for powering \u003cstrong\u003eArduino\/ESP projects\u003c\/strong\u003e, USB LEDs, small USB fans, and charging small devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\"\u003eTip: If you’re powering boards like \u003cstrong\u003eESP32\u003c\/strong\u003e or sensors from a 12V battery, this is an easy way to get stable 5V without wasting heat like a linear regulator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCommon builds (ideas)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDIY \u003cstrong\u003ecar\/vehicle USB power\u003c\/strong\u003e (12V → 5V USB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-powered Arduino\u003c\/strong\u003e projects using a 2S\/3S pack (7.4V\/11.1V → 5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar + battery\u003c\/strong\u003e setups needing regulated 5V USB output\u003c\/li\u003e\n\u003cli\u003ePortable \u003cstrong\u003eUSB power hub\u003c\/strong\u003e inside enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable class=\"specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eInput voltage\u003c\/th\u003e\n\u003ctd\u003eDC 6V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003e5V regulated, USB-A output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax output current\u003c\/th\u003e\n\u003ctd\u003eUp to 3A (real-world depends on your input source + heat dissipation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003eUp to ~97.5% (claimed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eInput reverse polarity protection, output overvoltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eWiring notes (important)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput side:\u003c\/strong\u003e connect your DC source to the module’s input pads\/terminals (+ and −).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput side:\u003c\/strong\u003e plug your USB cable\/device into the USB-A port for 5V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat:\u003c\/strong\u003e if you’re pulling high current (near 3A), make sure there’s airflow or space in the enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB charging:\u003c\/strong\u003e this provides 5V power; device charging behavior can vary depending on cable\/device requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\"\u003eQuick sanity check: If your input is 12V and you need 5V @ 2A, your source must supply roughly (5V×2A \/ efficiency) ÷ 12V ≈ ~0.9A or more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":45836717818145,"sku":"2495","price":45.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/dc-6-24v-to-5v-usb-output-step-down-buck-module-1863.jpg?v=1689739890","url":"https:\/\/circuit.rocks\/products\/dc-6-24v-to-5v-usb-output-step-down-buck-module","provider":"circuitrocks","version":"1.0","type":"link"}