{"product_id":"6v-24v-to-5v-2a-usb-charger-buck-step-down-converter","title":"6-24V Input to 5V 2A USB Charger DC-DC Buck Step-Down Converter Module","description":"\u003ch2\u003e📋 Overview\u003c\/h2\u003e\n\u003cp\u003eThis compact DC-DC step-down (buck) converter module converts a DC input voltage of 6V to 24V down to a fixed, regulated 5V USB output at up to 2A continuous current. Using synchronous rectification, it achieves efficiency up to 97.5% — far superior to linear regulators — while generating minimal heat.\u003c\/p\u003e\n\u003cp\u003eSimply solder your input power wires to the board, plug in a USB cable, and you have a tiny, reliable 5V USB power source. It's ideal for charging phones, tablets, and other USB devices from a 12V car battery, solar panel, or any other 6V–24V DC source. Built-in protections for reverse polarity, overvoltage, overcurrent, and short circuit ensure safe, worry-free operation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e This is a step-down (buck) converter only. Input voltage must be between 6V and 24V DC. With input voltage below 10V, the maximum output current is limited to approximately 1A. Always observe correct polarity when wiring.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch2\u003e⭐ Key Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 5V USB Output\u003c\/strong\u003e — Provides a stable, regulated 5.0–5.2V output through a standard USB-A connector. No adjustment needed — just wire it up and plug in your device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 2A Continuous Output\u003c\/strong\u003e — Enough current to charge most smartphones, tablets, and USB-powered devices (with input voltage above 10V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Range (6V–24V DC)\u003c\/strong\u003e — Works with car and motorcycle batteries (12V), solar panels, battery packs, bench power supplies, and other DC sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-High Efficiency (up to 97.5%)\u003c\/strong\u003e — Synchronous rectification design wastes very little energy as heat, making it ideal for battery-powered applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact Size\u003c\/strong\u003e — At just 26 × 14 × 8 mm, this module is small enough to embed inside enclosures, dashboards, or project housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection\u003c\/strong\u003e — Input reverse polarity protection (diode), 300W TVS output overvoltage clamp, and output short-circuit protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Output Ripple (10mV)\u003c\/strong\u003e — Clean, stable power suitable for sensitive electronics like microcontrollers and sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed LED Power Indicator\u003c\/strong\u003e — Confirms the module is powered and producing output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Temperature Range\u003c\/strong\u003e — Rated for operation from −40°C to +85°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🎯 Ideal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCar, motorcycle, boat, or RV USB charger — charge phones, tablets, and dashcams from a 12V or 24V battery\u003c\/li\u003e\n\u003cli\u003eSolar-powered USB charger for off-grid and camping use\u003c\/li\u003e\n\u003cli\u003ePowering Arduino, ESP8266, Raspberry Pi, or other USB-powered microcontrollers from a higher-voltage battery\u003c\/li\u003e\n\u003cli\u003ePortable battery pack projects requiring a stable 5V USB output\u003c\/li\u003e\n\u003cli\u003eEmbedded USB charging port inside enclosures, dashboards, or equipment\u003c\/li\u003e\n\u003cli\u003eWind or hydro generator USB output conversion\u003c\/li\u003e\n\u003cli\u003eReplacing inefficient linear regulators in 5V USB power applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📊 Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eNon-isolated Buck (Step-Down) Synchronous Rectification Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e6V to 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Connectors\u003c\/td\u003e\n\u003ctd\u003eSolder pads (+ and −)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003eFixed 5.0–5.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Connector\u003c\/td\u003e\n\u003ctd\u003eUSB-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e2A continuous max (1A max with input below 10V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Efficiency\u003c\/td\u003e\n\u003ctd\u003eUp to 97.5% (at 6.5V input, 0.7A); 94% (at 12V input, 1A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e500 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ripple\u003c\/td\u003e\n\u003ctd\u003e10mV (at 12V input, 2A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Regulation\u003c\/td\u003e\n\u003ctd\u003e±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Regulation\u003c\/td\u003e\n\u003ctd\u003e±0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Response\u003c\/td\u003e\n\u003ctd\u003e5%, 200µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatic (Quiescent) Current\u003c\/td\u003e\n\u003ctd\u003e0.85 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Indicator\u003c\/td\u003e\n\u003ctd\u003eRed LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Protection\u003c\/td\u003e\n\u003ctd\u003eReverse polarity diode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Protection\u003c\/td\u003e\n\u003ctd\u003e300W TVS overvoltage clamp, short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−40°C to +85°C (industrial grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 26 × 14 × 8 mm (1.0 × 0.55 × 0.31 inches) L × W × H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× 6-24V to 5V USB 2A DC-DC Buck Converter Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Input power source, input wiring, USB cable, and solder are not included. Soldering is required to connect input power wires to the module's solder pads.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput voltage: 6V–24V DC only\u003c\/strong\u003e — Do not exceed 24V input. Do not connect to AC mains power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent limited below 10V input\u003c\/strong\u003e — With input voltage below 10V, the maximum output current is approximately 1A, not 2A. Use an input voltage of 10V or higher for full 2A output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering required\u003c\/strong\u003e — The input connections are solder pads, not screw terminals. A soldering iron is needed to connect your input wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not leave output short-circuited\u003c\/strong\u003e — While the module has short-circuit protection, it is designed for brief accidental shorts only. A sustained short can damage the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat management at high current\u003c\/strong\u003e — At input voltages above 12V with 2A continuous output, add heatsinking or forced-air cooling to prevent overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot a fast charger\u003c\/strong\u003e — This module provides standard 5V USB power at up to 2A. It does not support USB Quick Charge, USB-PD, or other fast-charging protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed output voltage\u003c\/strong\u003e — The output is fixed at 5.0–5.2V and is not adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve polarity\u003c\/strong\u003e — While the module has reverse polarity protection, always wire positive to + and negative to − for proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📄 Documentation \u0026amp; Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/envistiamall.com\/blogs\/learn\/6v-24v-to-5v-usb-charger-module-buck-converter-user-guide\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e5V USB 2A Buck Converter Module User Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/envistiamall.com\/blogs\/learn\/tagged\/buck-converters\" title=\"All DC\/DC Buck Converter Power Supply Module User Guides at Envistia Mall\" rel=\"noopener\" target=\"_blank\"\u003eAll Buck Converter Power Supply Module User Guides\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eSold and supported by \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/envistiamall.com\" target=\"_blank\"\u003eEnvistia Mall\u003c\/a\u003e. Ships from the USA. For wiring diagrams, setup instructions, and troubleshooting, see the User Guide tab on this product page. The manufacturer and Envistia LLC (dba Envistia Mall) are not responsible for any damages or losses resulting from the use of this product. Always follow proper electrical safety practices when working with electronic components. Specifications are based on manufacturer data and are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"Envistia","offers":[{"title":"Default Title","offer_id":28875513737,"sku":"EM-POWER-0021","price":2.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1641\/0911\/files\/6-24v-input-to-5v-2a-usb-charger-dc-dc-buck-step-down-converter-module-1890761.jpg?v=1776838990","url":"https:\/\/envistiamall.com\/products\/6v-24v-to-5v-2a-usb-charger-buck-step-down-converter","provider":"Envistia Mall","version":"1.0","type":"link"}