{"product_id":"mp1584en-dc-dc-step-down-module-3a-adjustable-buck-converter-ultra-small-size-for-arduino-replace-lm2596-0-8-20v-3-3v-5v-9v-12v","title":"MP1584EN DC-DC Step Down Module 3A Adjustable Buck Converter Ultra-Small Size for Arduino Replace LM2596 0.8-20V 3.3V 5V 9V 12V","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003ep{margin-block-start: 0; margin-block-end: 0}\u003c\/div\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eMP1584EN Ultra-Small DC-DC Step-Down Module: 3A Output, 4.5-28V Wide Input, Adjustable Voltage up to 20V, 96% Efficiency – Perfect Replacement for LM2596, Ideal for Space-Constrained Projects!\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eKey Features \u0026amp; Benefits:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e📦 Ultra-Compact Size, Saves Space: Only 22×17×4mm – smaller than a coin! Ideal for space-limited applications like drones, portable devices, and wearables.\u003cbr\u003e\u003cbr\u003e⚡ Wide Input Voltage, Flexible Power: Accepts 4.5V-28V DC, compatible with single-cell Li-ion, 2-6S LiPo, 12V\/24V automotive, and industrial supplies.\u003cbr\u003e\u003cbr\u003e🔧 Continuously Adjustable Output: Precision potentiometer allows output voltage from 0.8V to 20V – easily set 3.3V, 5V, 9V, 12V, etc.\u003cbr\u003e\u003cbr\u003e💪 3A Peak Output Current: Rated 3A continuous, suitable for motors, LED strips, development boards, and other medium-power loads.\u003cbr\u003e\u003cbr\u003e🔋 High Efficiency, Low Heat: MP1584EN synchronous rectification delivers up to 96% efficiency, minimizing heat – often no heatsink needed.\u003cbr\u003e\u003cbr\u003e🛠️ Easy to Use, Broad Compatibility: Standard 2.54mm pads for soldering headers or wires. Perfect for Arduino projects, direct replacement for LM2596 modules.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eProduct Description:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eThe MP1584EN is an ultra-compact DC-DC step-down module based on the genuine MPS (Monolithic Power Systems) chip. It efficiently steps down input voltages up to 28V to an adjustable output from 0.8V to 20V, delivering up to 3A of load current. With a 1MHz switching frequency, output ripple is as low as 30mV. Its tiny footprint makes it the ideal choice for space-constrained projects. Whether you're building a DIY power bank, powering a drone receiver, retrofitting automotive electronics, or creating a bench power supply, the MP1584EN handles it with ease.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🚨 Critical Notes Before Use!\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e❌ 【Product Clarification】: This is anadjustable buck module, NOT a fixed-output power supply!\u003cbr\u003eThe output voltage must be set by you. Default voltage may be random. ALWAYS measure and adjust with a multimeter before connecting your load to avoid overvoltage damage.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e⚠️ 【Most Common Misconceptions \u0026amp; Misuse】\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eInput voltage MUST NOT exceed 28V! Exceeding 28V DC will destroy the module.\u003cbr\u003eOutput current rating: 3A is peak; for continuous operation, keep below 2.5A and ensure adequate cooling.\u003cbr\u003eAdjust carefully: The trimming potentiometer is delicate. Turn gently and slowly to avoid damage or sudden voltage spikes.\u003cbr\u003eInput\/output capacitors are essential: You must add electrolytic capacitors (≥100µF recommended) across input and output to filter ripple and prevent oscillation. The module does not include these capacitors.\u003cbr\u003eStep-down limitation: This is a BUCK converter. Output voltage must be at least 1V lower than input voltage (dropout requirement). For 5V output, input must be ≥6V.\u003cbr\u003eLoad type considerations: Suitable for resistive, capacitive loads, most DC motors, and LEDs. Not suitable for directly charging batteries (requires a charge management circuit).\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e✅ 【Correct Usage Steps】\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eSoldering: Solder headers or wires as needed (observe polarity: IN+, IN- for input; OUT+, OUT- for output).\u003cbr\u003eAdd capacitors: Solder electrolytic capacitors (≥100µF) across input and output to reduce ripple.\u003cbr\u003eAdjust voltage: Apply input power (no load). Measure output voltage with a multimeter and slowly turn the potentiometer to your desired voltage.\u003cbr\u003eConnect load: Disconnect power, then connect your load correctly.\u003cbr\u003ePower on: Reapply power and verify operation.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🔧 【Important Notes】\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eDimensions: 22×17×4mm; ensure adequate space. Pad spacing is 2.54mm.\u003cbr\u003e\u003cbr\u003eHeat dissipation: For currents \u0026gt;2A or high ambient temperatures, a heatsink is recommended (available in our kit). You can also attach it to a metal enclosure with thermal adhesive.\u003cbr\u003e\u003cbr\u003eEfficiency: Actual efficiency depends on input-output voltage difference and load. Best efficiency occurs with moderate load and small voltage differential.\u003cbr\u003e\u003cbr\u003eApplications: Ideal for DIY power banks, surveillance camera power, toy car power supplies, drone receivers, communication equipment backups – any place where size and weight are critical.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eSpecifications\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eModel: MP1584EN Buck Module\u003cbr\u003e\u003cbr\u003eInput Voltage: DC 4.5V – 28V\u003cbr\u003e\u003cbr\u003eOutput Voltage: DC 0.8V – 20V (Adjustable)\u003cbr\u003e\u003cbr\u003eOutput Current: 3A (rated, with heatsinking)\u003cbr\u003e\u003cbr\u003eSwitching Frequency: 1MHz typical (1.5MHz max)\u003cbr\u003e\u003cbr\u003eOutput Ripple: \u0026lt; 30mV\u003cbr\u003e\u003cbr\u003eEfficiency: Up to 96%\u003cbr\u003e\u003cbr\u003eOperating Temp: -40°C to +85°C\u003cbr\u003e\u003cbr\u003eDimensions: 22mm × 17mm × 4mm (L×W×H)\u003cbr\u003e\u003cbr\u003eWeight: Approx. 3g\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003ePackage Includes\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e1 × MP1584EN DC-DC Step-Down Module\u003cbr\u003e\u003cbr\u003eNote: Input\/output wires, capacitors, and heatsink are NOT included – choose our kit versions if needed.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S69c969c567d247cc8efa644b16e65a17S.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd072c7f4855b4b7f92f9062f17a56ec47.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S180f0f1211f44638a89e9147692b2673Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se252b20c66c8484386084006ef804913K.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"10 pcs MP1584EN","offer_id":55467854201131,"sku":"14:173#10 pcs MP1584EN","price":70.92,"currency_code":"USD","in_stock":true},{"title":"5 pcs MP1584EN","offer_id":55467854233899,"sku":"14:201659813#5 pcs MP1584EN","price":31.92,"currency_code":"USD","in_stock":true},{"title":"1 pcs MP1584EN","offer_id":55467854266667,"sku":"14:1202#1 pcs MP1584EN","price":8.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S64c7fac18f5d4e2d9cf9ec6a71aa9b7aa.webp?v=1788845541","url":"https:\/\/yoeruyo.com\/products\/mp1584en-dc-dc-step-down-module-3a-adjustable-buck-converter-ultra-small-size-for-arduino-replace-lm2596-0-8-20v-3-3v-5v-9v-12v","provider":"Yoeruyo","version":"1.0","type":"link"}