{"product_id":"3pcs-xl4015-5a-adjustable-dc-dc-step-down-power-module-96-efficiency-40-c-to-85-c-wide-temp-range-stm32-compatible","title":"3pcs XL4015 5A Adjustable DC-DC Step-Down Power Module 96% Efficiency -40°C to 85°C Wide Temp Range STM32 Compatible","description":"\u003ch3\u003e3pcs XL4015 5A Adjustable DC-DC Step-Down Power Module 96% Efficiency -40°C to 85°C Wide Temp Range STM32 Compatible\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003e1. Key Parameters Input Voltage: 4-38V DC (Min Input \u0026gt; Output +2V) Output\r\nVoltage: 1.25-36V Continuously Adjustable Output Current: 0-5A (Max 4.5A\r\nSustained; 5A Peak) Output Power: 75W Max (≥50W Requires Heatsink) Conversion\r\nEfficiency: Up to 96% Switching Frequency: 180 kHz Protections: Short-Circuit\r\nLimit (8A) Over-Temperature Shutdown Output Over-Current Operating Temp.:\r\n-40°C to +85°C Dimensions: 51.2×26.2×15 mm (Typical) 2. Pin Functions V-IN+:\r\nDC Input Positive (4-38V) - Requires stable source; reverse polarity\r\nunprotected. V-IN-: Input Ground - Isolate from output ground to avoid\r\nbypassing current-sense resistor. V-OUT+: Output Positive (1.25-36V) - Connect\r\nto load\/LED\/battery anode. V-OUT-: Output Ground - Separate path from input\r\nground; star topology recommended. CV\/CC Pots: CV Pot: Adjusts output voltage\r\n(rotate clockwise ↑ voltage). CC Pot: Sets current limit (use 10A multimeter\r\nto calibrate) . 3. Frequently Asked Questions (FAQ) Q1: Why does output\r\nvoltage drop under load? A: Normal! A 0.05Ω current-sense resistor on V-OUT-\r\ncauses 0–0.3V drop. This is not load-related . Q2: How to set CC\/CV modes for\r\nbattery charging? A: CV Mode: Unloaded→ Adjust CV pot to battery float voltage\r\n(e.g., 4.2V for Li-ion). CC Mode: Short output→ Adjust CC pot to target\r\ncurrent (e.g., 1A) using multimeter . Q3: Overheating at \u0026gt;35W? A: Mandatory\r\nheatsink! Attach to XL4015 chip with thermal paste. Ensure ambient temp \u0026lt;85°C\r\n.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n  \u003cul class=\"a\"\u003e\r\n         \u003cli\u003eHigh Efficiency Power Module 96% Conversion Efficiency; 4-38V Input Range; 75W Max Output; Suitable for LED Lighting and Battery Charging\u003c\/li\u003e\r\n         \u003cli\u003eWide Adjustable Output 1.25-36V Continuously Adjustable; 0-5A Current Limit; 10-bit Precision Control; Suitable for Custom Power Systems\u003c\/li\u003e\r\n         \u003cli\u003eRobust Protection Features Short-Circuit Protection (8A); Over-Temperature Shutdown; Isolated Ground Design; Ensures Safe Operation in Variable Enviro nments\u003c\/li\u003e\r\n         \u003cli\u003eUser-Friendly Setup Easy-to-Adjust CV\/CC Settings; Clear Potentiometer Controls; Simple Calibration with Multimeter; Minimizes Configuration Time\u003c\/li\u003e\r\n         \u003cli\u003eStable Performance Under Load Low Dropout Voltage; No Calibration Drift; -40C to +85C Operating Range; Reliable for Continuous Use in Industrial and Hobby Applications\u003c\/li\u003e\r\n  \u003c\/ul\u003e","brand":"MusRock","offers":[{"title":"Default Title","offer_id":44103321223348,"sku":"B0FMR26PQ3","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9906\/1172\/files\/B0FMR26PQ3.jpg?v=1775783796","url":"https:\/\/auspowers.com\/products\/3pcs-xl4015-5a-adjustable-dc-dc-step-down-power-module-96-efficiency-40-c-to-85-c-wide-temp-range-stm32-compatible","provider":"AusPower Australia","version":"1.0","type":"link"}