{"product_id":"dc-6-24v-to-5v-usb-step-down-power-module-mini-buck-converter","title":"DC 6-24V to 5V USB Step Down Power Module Mini Buck","description":"\u003ch2\u003eDC 6-24V to 5V USB Step Down Power Module Mini\u003c\/h2\u003e\n\u003cp\u003eKeep your devices powered anywhere with this compact \u003cstrong\u003eDC Step Down Power Module\u003c\/strong\u003e. Designed to convert a wide input range of 6–24V (including 12V and 24V systems) down to a stable 5V USB output, this mini buck converter module is an essential component for DIY electronics projects, automotive setups, solar systems, and custom power supply builds.\u003c\/p\u003e\n\n\u003cp\u003eWith an impressive conversion efficiency of up to \u003cstrong\u003e97.5%\u003c\/strong\u003e, a switching frequency of 500KHz, and industrial-grade operating temperature tolerance (-40°C to +85°C), this module delivers reliable, consistent performance in demanding environments. Its ultra-low output ripple (~10mV) and fast dynamic response make it ideal for powering sensitive electronics via USB.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 6V–24V (compatible with 12V and 24V systems)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e Stable 5V USB output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConversion Efficiency:\u003c\/strong\u003e Up to 97.5% (6.5V to 5V @ 0.7A)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitching Frequency:\u003c\/strong\u003e 500KHz for smooth, stable output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Ripple:\u003c\/strong\u003e ~10mV (12V to 5V @ 3A), 20MHz bandwidth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiescent Current:\u003c\/strong\u003e 0.85mA — minimal standby draw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Regulation:\u003c\/strong\u003e ±1% | \u003cstrong\u003eVoltage Regulation:\u003c\/strong\u003e ±0.5%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDynamic Response:\u003c\/strong\u003e 5% within 200µs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Load Temperature Rise:\u003c\/strong\u003e 30°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e Industrial grade -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Overvoltage Protection:\u003c\/strong\u003e Yes — 300W TVS tube clamp on 5V output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Protection:\u003c\/strong\u003e 1.5A fuse + reverse connection protection diode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Yes (avoid prolonged short-circuit conditions)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Indicator:\u003c\/strong\u003e Red LED voltage indicator light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Method:\u003c\/strong\u003e Solder pads for input; short-head crimping USB for output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Mini Form Factor\u003c\/strong\u003e — easy to integrate into enclosures and custom builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive and marine USB charging from 12V\/24V systems\u003c\/li\u003e\n  \u003cli\u003eSolar panel power management projects\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and prototyping\u003c\/li\u003e\n  \u003cli\u003eCustom power supply modules for embedded systems\u003c\/li\u003e\n  \u003cli\u003ePowering microcontrollers, sensors, and IoT devices via USB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications at a Glance\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 6V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMax Efficiency\u003c\/td\u003e\n\u003ctd\u003e97.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e500KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOutput Ripple\u003c\/td\u003e\n\u003ctd\u003e~10mV @ 12V→5V 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eQuiescent Current\u003c\/td\u003e\n\u003ctd\u003e0.85mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInput Protection\u003c\/td\u003e\n\u003ctd\u003e1.5A Fuse + Reverse Polarity Diode\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOutput Protection\u003c\/td\u003e\n\u003ctd\u003e300W TVS + Short-Circuit Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFor general guidance on safe electrical component handling and best practices, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What input voltages are compatible with this DC step down USB power module?\u003c\/h4\u003e\n\u003cp\u003eA: This mini buck converter module accepts a wide input range of \u003cstrong\u003eDC 6V to 24V\u003c\/strong\u003e, making it fully compatible with common 12V and 24V power sources such as car batteries, lead-acid batteries, and solar panels. It reliably converts the input down to a steady 5V USB output regardless of the input voltage within that range.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How efficient is this step down power module and what protection features does it include?\u003c\/h4\u003e\n\u003cp\u003eA: The module achieves up to \u003cstrong\u003e97.5% conversion efficiency\u003c\/strong\u003e at 6.5V to 5V @ 0.7A. It features multiple layers of protection: a 1.5A input fuse, a reverse polarity protection diode, a 300W TVS tube for output overvoltage clamping, and short-circuit protection — making it safe and reliable for continuous use in real-world electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I connect this module to my circuit?\u003c\/h4\u003e\n\u003cp\u003eA: Input connections are made via \u003cstrong\u003esolder pads\u003c\/strong\u003e — simply solder your positive and negative wires from your 6–24V DC source to the corresponding pads. The output is provided through a \u003cstrong\u003eshort-head crimping USB port\u003c\/strong\u003e, allowing you to plug in any standard USB device or cable for 5V power delivery. Always observe correct polarity before powering the module.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this module suitable for industrial or outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This step down power module is rated to \u003cstrong\u003eindustrial grade operating temperatures from -40°C to +85°C\u003c\/strong\u003e, making it suitable for use in automotive, outdoor, and industrial environments where temperature extremes may be encountered. Note that output power capacity decreases at higher ambient temperatures.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What input voltages are compatible with this DC step down USB power module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This mini buck converter module accepts a wide input range of DC 6V to 24V, making it fully compatible with common 12V and 24V power sources such as car batteries, lead-acid batteries, and solar panels. It reliably converts the input down to a steady 5V USB output regardless of the input voltage within that range.\"}}, {\"@type\": \"Question\", \"name\": \"How efficient is this step down power module and what protection features does it include?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module achieves up to 97.5% conversion efficiency at 6.5V to 5V @ 0.7A. It features multiple layers of protection: a 1.5A input fuse, a reverse polarity protection diode, a 300W TVS tube for output overvoltage clamping, and short-circuit protection — making it safe and reliable for continuous use in real-world electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"How do I connect this module to my circuit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Input connections are made via solder pads — simply solder your positive and negative wires from your 6–24V DC source to the corresponding pads. The output is provided through a short-head crimping USB port, allowing you to plug in any standard USB device or cable for 5V power delivery. Always observe correct polarity before powering the module.\"}}, {\"@type\": \"Question\", \"name\": \"Is this module suitable for industrial or outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This step down power module is rated to industrial grade operating temperatures from -40°C to +85°C, making it suitable for use in automotive, outdoor, and industrial environments where temperature extremes may be encountered. 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