{"product_id":"600w-25a-buck-step-down-dc-dc-converter-module-cv-cc-adjustable","title":"600W 25A Buck Step-Down DC-DC Converter Module – CV\/CC Adjustable","description":"\n\u003ch2\u003eLOTHYE 600W 25A Buck Constant Voltage \/ Constant Current Step-Down Power Module\u003c\/h2\u003e\n\u003cp\u003eWhether you're powering a battery charging station, LED array, motor controller, or custom electronics project, this high-power adjustable DC-DC buck converter delivers precision voltage and current control in a compact, fan-cooled package. With an input range of DC 12–75V and an adjustable output of DC 2.5–50V at up to 25A, it's one of the most versatile step-down modules available for engineers, hobbyists, and makers alike.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Range:\u003c\/strong\u003e DC 12V–75V — compatible with a broad range of DC power sources\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Voltage:\u003c\/strong\u003e DC 2.5V–50V (step-down only; max output ≈ input × 0.8)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Output Current:\u003c\/strong\u003e Up to 25A continuously adjustable from 1–25A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Output Power:\u003c\/strong\u003e 600W peak; recommended sustained use under 500W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual CV\/CC Control:\u003c\/strong\u003e Separate potentiometers for constant voltage (CV) and constant current (CC) adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Up to 95% typical conversion efficiency at 80 kHz switching frequency\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFan-Cooled Design:\u003c\/strong\u003e Active cooling keeps the module running reliably at high loads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Current-limited short-circuit protection built in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Indicator Light:\u003c\/strong\u003e Visual confirmation of active output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e 100 × 60 × 35 mm — easy to integrate into enclosures and projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-isolated buck regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 75V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 2.5V – 50V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≈ Input voltage × 0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A – 25A adjustable (25A max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600W peak \/ \u0026lt;500W sustained\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 95% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActive fan cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort-Circuit Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (constant current limiting)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Reverse Polarity Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone — verify polarity before powering on\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Anti-Backfeed Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone — add a series diode for battery\/inductive loads\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Overvoltage Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone — maintain input margin\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 × 60 × 35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLOTHYE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWiring Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIN+\u003c\/strong\u003e — Input positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIN−\u003c\/strong\u003e — Input ground\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOUT+\u003c\/strong\u003e — Output positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOUT−\u003c\/strong\u003e — Output ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAlways confirm positive\/negative polarity before powering on. No input reverse-polarity protection is included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHow to Adjust Voltage (CV)\u003c\/h3\u003e\n\u003cp\u003eAfter powering on, monitor the output with a voltmeter. Turn the \u003cstrong\u003eCV potentiometer\u003c\/strong\u003e clockwise to increase voltage and counterclockwise to decrease it until you reach your desired output level.\u003c\/p\u003e\n\n\u003ch3\u003eHow to Set Constant Current (CC)\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eSet the output voltage to 5V.\u003c\/li\u003e\n  \u003cli\u003eTurn the current potentiometer fully counterclockwise (~20 turns). Output will drop to near zero.\u003c\/li\u003e\n  \u003cli\u003eSet your multimeter to current (ampere) mode and connect its test leads to the module's output terminals.\u003c\/li\u003e\n  \u003cli\u003eSlowly turn the current potentiometer clockwise until the multimeter displays your desired current value.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSafety Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIf the module temperature exceeds 75°C under load, add additional heat sinking or reduce load (derate).\u003c\/li\u003e\n  \u003cli\u003eFor inductive or battery loads, add a series diode at the output positive terminal to prevent back-feed.\u003c\/li\u003e\n  \u003cli\u003eAlways double-check input polarity — no reverse protection is present.\u003c\/li\u003e\n  \u003cli\u003eFor sustained operation, keep power below 500W for best reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the maximum safe continuous output power for this buck converter module?\u003c\/h4\u003e\n\u003cp\u003eA: While this step-down power module is rated at 600W peak, it is recommended to keep sustained operation below 500W for long-term reliability. If the module's temperature exceeds 75°C during load, either reduce the load (derate) or add supplemental heat dissipation such as a heatsink or additional airflow.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this module boost voltage — for example, from 12V input to 24V output?\u003c\/h4\u003e\n\u003cp\u003eA: No. This is a \u003cstrong\u003estep-down (buck) only\u003c\/strong\u003e converter. The output voltage must always be lower than the input voltage, with a maximum output of approximately 80% of the input voltage. It cannot boost voltage above the input level.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this DC-DC converter module include reverse polarity or overvoltage protection?\u003c\/h4\u003e\n\u003cp\u003eA: No — this module does not include input reverse polarity protection or input overvoltage protection. Always verify the correct positive\/negative connections before applying power, and ensure your input voltage stays within the 12–75V range with adequate margin. Short-circuit protection is included via the constant current limiting function.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I use this module as a battery charger?\u003c\/h4\u003e\n\u003cp\u003eA: Set the output voltage to your battery's target charge voltage using the CV potentiometer, then set the maximum charge current using the CC potentiometer. Because the module has no output anti-backfeed protection, add a series diode at the OUT+ terminal when connecting to a battery to prevent reverse current flow into the module.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the maximum safe continuous output power for this buck converter module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"While this step-down power module is rated at 600W peak, it is recommended to keep sustained operation below 500W for long-term reliability. If the module's temperature exceeds 75°C during load, either reduce the load (derate) or add supplemental heat dissipation such as a heatsink or additional airflow.\"}}, {\"@type\": \"Question\", \"name\": \"Can this module boost voltage — for example, from 12V input to 24V output?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This is a step-down (buck) only converter. The output voltage must always be lower than the input voltage, with a maximum output of approximately 80% of the input voltage. It cannot boost voltage above the input level.\"}}, {\"@type\": \"Question\", \"name\": \"Does this DC-DC converter module include reverse polarity or overvoltage protection?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this module does not include input reverse polarity protection or input overvoltage protection. Always verify the correct positive\/negative connections before applying power, and ensure your input voltage stays within the 12–75V range with adequate margin. Short-circuit protection is included via the constant current limiting function.\"}}, {\"@type\": \"Question\", \"name\": \"How do I use this module as a battery charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Set the output voltage to your battery's target charge voltage using the CV potentiometer, then set the maximum charge current using the CC potentiometer. Because the module has no output anti-backfeed protection, add a series diode at the OUT+ terminal when connecting to a battery to prevent reverse current flow into the module.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"600W 25A Buck Step-Down DC-DC Converter Module – CV\/CC Adjustable\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/600w-25a-buck-step-down-dc-dc-power-module-adjustable-cv-cc\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Default Title","offer_id":43692722159677,"sku":"\u003cnone\u003e","price":50.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3439\/0333\/files\/S3551c7ec2a634c10b23a8491b5596921G.webp?v=1790178701","url":"https:\/\/qtiply.com\/products\/600w-25a-buck-step-down-dc-dc-converter-module-cv-cc-adjustable","provider":"QTP","version":"1.0","type":"link"}