{"product_id":"xl4015-5a-dc-dc-step-down-buck-converter-5-32v-adjustable-cc-cv-led-battery","title":"XL4015 5A DC-DC Step-Down Buck Converter Module | 5–32V to 0.8–30V | Adjustable CC\/CV | LED \u0026 Li Battery Charging","description":"\u003ch2\u003eXL4015 5A DC-DC Step-Down Buck Converter Module — Adjustable Constant Current \/ Constant Voltage\u003c\/h2\u003e\n\n\u003cp\u003eA high-efficiency, high-current \u003cstrong\u003eDC-DC step-down (buck) converter module\u003c\/strong\u003e based on the XL4015 IC, featuring dual adjustable \u003cstrong\u003econstant current (CC)\u003c\/strong\u003e and \u003cstrong\u003econstant voltage (CV)\u003c\/strong\u003e control. With a 5A output capability, 95% conversion efficiency, and an input range of 5–32V, this module is the go-to solution for LED driver circuits, lithium battery charging (Li-ion, LiPo, LiFePO4), and adjustable bench power supply builds. Two onboard potentiometers allow independent adjustment of output voltage and current limit — making it a versatile power management module for a wide range of DIY and professional applications.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXL4015\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V – 32V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8V – 30V DC (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5A (max continuous)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75W (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConversion Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Ripple\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤50mV (20MHz bandwidth)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51 × 26.3 × 14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCC (constant current) + CV (constant voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCC\/CV Mode Explained\u003c\/h3\u003e\n\u003cp\u003eThis module operates in two modes, automatically switching between them based on load conditions:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstant Voltage (CV) mode:\u003c\/strong\u003e the output voltage is regulated to the set value regardless of load current (up to the current limit). Used for powering fixed-voltage loads like LED strips, microcontrollers, and general electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstant Current (CC) mode:\u003c\/strong\u003e when the load demands more current than the set limit, the module reduces output voltage to maintain the set current. Used for battery charging (where current must be controlled) and LED driving (where forward current must be limited).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e5A output current\u003c\/strong\u003e — handles high-current loads including high-power LEDs and battery charging\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e95% conversion efficiency\u003c\/strong\u003e — minimal heat generation, suitable for continuous operation\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDual CC\/CV adjustment\u003c\/strong\u003e — independent voltage and current limit potentiometers\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide input range 5–32V\u003c\/strong\u003e — compatible with 12V, 24V, and solar panel inputs\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide output range 0.8–30V\u003c\/strong\u003e — covers 3.3V, 5V, 12V, and custom voltage requirements\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e300kHz switching frequency\u003c\/strong\u003e — small inductor and capacitor requirements, compact module size\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e-40°C to +85°C operating range\u003c\/strong\u003e — suitable for automotive and outdoor applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact 51 × 26.3 × 14mm\u003c\/strong\u003e — fits in tight enclosures and project boxes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLi-ion \/ LiPo battery charging\u003c\/strong\u003e — set CV to 4.2V (1S) or 8.4V (2S), set CC to 0.5C–1C charge rate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiFePO4 battery charging\u003c\/strong\u003e — set CV to 3.65V per cell, set CC to desired charge rate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-power LED driver\u003c\/strong\u003e — set CC to LED rated forward current for constant brightness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable bench power supply\u003c\/strong\u003e — combine with a 24V or 30V input for a variable 0–30V \/ 0–5A lab supply\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolar panel MPPT charging\u003c\/strong\u003e — step down solar panel voltage to battery charging voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor speed control\u003c\/strong\u003e — adjust output voltage to control DC motor speed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage conversion\u003c\/strong\u003e — step down 24V to 5V\/12V for mixed-voltage systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLithium Battery Charging Guide\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eBattery Type\u003c\/th\u003e\n\u003cth\u003eCV Setting\u003c\/th\u003e\n\u003cth\u003eCC Setting\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLi-ion \/ LiPo 1S\u003c\/td\u003e\n\u003ctd\u003e4.20V\u003c\/td\u003e\n\u003ctd\u003e0.5C – 1C of battery capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLi-ion \/ LiPo 2S\u003c\/td\u003e\n\u003ctd\u003e8.40V\u003c\/td\u003e\n\u003ctd\u003e0.5C – 1C of battery capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLiFePO4 1S\u003c\/td\u003e\n\u003ctd\u003e3.65V\u003c\/td\u003e\n\u003ctd\u003e0.5C – 1C of battery capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLiFePO4 2S\u003c\/td\u003e\n\u003ctd\u003e7.30V\u003c\/td\u003e\n\u003ctd\u003e0.5C – 1C of battery capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module have short-circuit protection?\u003c\/strong\u003e\u003cbr\u003eA: The XL4015 IC includes current limiting which provides protection against overload. For hard short-circuit protection, add an external fuse on the output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this to charge a 12V lead-acid battery?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Set CV to 14.4V (bulk charge) or 13.8V (float charge) and set CC to the appropriate charge rate for your battery capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a heatsink?\u003c\/strong\u003e\u003cbr\u003eA: At full 5A output, the module will generate heat. The onboard components include a heatsink pad, but for sustained high-current operation, ensure adequate airflow or add an external heatsink to the main switching IC.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× XL4015 5A DC-DC Step-Down Buck Converter Module (CC\/CV adjustable)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46981893062891,"sku":"\u003cnone\u003e","price":8.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/xl4015-5a-dc-dc-step-down-converter-module.webp?v=1761113823","url":"https:\/\/keszoox.com\/products\/xl4015-5a-dc-dc-step-down-buck-converter-5-32v-adjustable-cc-cv-led-battery","provider":"Keszoox","version":"1.0","type":"link"}