{"id":52811,"date":"2025-05-22T17:54:40","date_gmt":"2025-05-22T16:54:40","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=52811"},"modified":"2026-10-19T17:20:36","modified_gmt":"2026-10-19T17:20:36","slug":"sk120-120w-6a-automatic-buck-boost-converter","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/sk120-120w-6a-automatic-buck-boost-converter\/","title":{"rendered":"SK120 120W 6A Automatic Buck-Boost Converter"},"content":{"rendered":"<h3>SK120 120W 6A Automatic Buck-Boost Converter<\/h3>\n<p>The SK120 is an adjustable 120 W buck-boost converter with constant-voltage\/constant-current (CC\/CV) control. It operates in buck or boost mode across a wide 6\u201336 V DC range. Its full-view color VA display, encoder, and button controls provide precise adjustment, with 10 user memories and multiple protection functions.<\/p>\n<h4>\ud83d\udd27 Technical specifications<\/h4>\n<ul>\n<li><strong>Input voltage:<\/strong> 6.0\u201336.0 V DC<\/li>\n<li><strong>Output voltage:<\/strong> adjustable 0.0\u201336.0 V DC<\/li>\n<li><strong>Output current:<\/strong> 0\u20136.000 A (adjustable OCP protection 0\u20136.2 A; default 6.2 A)<\/li>\n<li><strong>Maximum power:<\/strong> 120 W<\/li>\n<li><strong>Modes:<\/strong> CV (constant voltage), CC (constant current), CW (constant power)<\/li>\n<li><strong>Display:<\/strong> full-view color VA display (simultaneous V, A, and W readings)<\/li>\n<li><strong>Memories:<\/strong> 10 stored V\/I pairs<\/li>\n<li><strong>Built-in protection:<\/strong> reverse polarity, reverse current, undervoltage, overvoltage, overcurrent, overpower, over-temperature, and reverse overvoltage<\/li>\n<li><strong>Modbus compatibility:<\/strong> TTL serial interface for RS485 control or a Wi-Fi module<\/li>\n<li><strong>Operating temperature:<\/strong> \u221220 \u00b0C to +60 \u00b0C<\/li>\n<li><strong>Dimensions:<\/strong> 92 \u00d7 69 \u00d7 13 mm (panel); 135 \u00d7 32 \u00d7 27 mm (power board)<\/li>\n<\/ul>\n<h4>\ud83d\udca1 Typical applications<\/h4>\n<ul>\n<li>Test benches and laboratory power supplies<\/li>\n<li>CC\/CV charging of Li-ion and SLA batteries<\/li>\n<li>High-power LED control<\/li>\n<li>DC motor control<\/li>\n<li>CC\/CV solar chargers<\/li>\n<li>CNC and robotics projects requiring adjustable voltage<\/li>\n<\/ul>\n<h4>\ud83d\udee0\ufe0f Pinout \/ wiring<\/h4>\n<table>\n<thead>\n<tr>\n<th>Connector<\/th>\n<th>Function<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>IN+ \/ IN\u2013<\/strong><\/td>\n<td>6\u201336 V DC power input<\/td>\n<\/tr>\n<tr>\n<td><strong>OUT+ \/ OUT\u2013<\/strong><\/td>\n<td>Regulated 0\u201336 V DC output, 0\u20136 A<\/td>\n<\/tr>\n<tr>\n<td><strong>NTC 10 k\u03a9<\/strong><\/td>\n<td>External temperature probe (XH2.54-2P)<\/td>\n<\/tr>\n<tr>\n<td><strong>UART (4 pins)<\/strong><\/td>\n<td>TTL serial for Modbus RTU (TX, RX, 5 V, GND) or Wi-Fi module<\/td>\n<\/tr>\n<tr>\n<td><strong>Buttons \/ encoder<\/strong><\/td>\n<td>VSET, ISET, SW, and rotary encoder on the front panel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Setup procedure<\/h4>\n<ol>\n<li>Connect IN+ \/ IN\u2013 to the DC source and OUT+ \/ OUT\u2013 to the load.<\/li>\n<li>Briefly press <strong>VSET<\/strong> to set voltage (CV), turn the encoder, then press again to confirm.<\/li>\n<li>Press <strong>ISET<\/strong> to set current (CC) in the same way.<\/li>\n<li><strong>SW<\/strong> switches the input\/output display; hold it for 2 seconds to open the advanced menu.<\/li>\n<li>For automatic undervoltage cutoff, set the UVLO potentiometer through Modbus or the internal menu.<\/li>\n<\/ol>\n<p><strong>Ensure adequate ventilation for the power board when approaching its limits (6 A \/ 120 W).<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The SK120 is an adjustable 120 W CC\/CV buck-boost converter that operates in buck or boost mode across a 6\u201336 V DC range. It has a color VA display, encoder and button controls, 10 user memories, and multiple protections.<\/p>\n","protected":false},"featured_media":52812,"template":"","meta":[],"product_brand":[],"product_cat":[344,318],"product_tag":[],"class_list":["post-52811","product","type-product","status-publish","has-post-thumbnail","product_cat-convertisseur-dc-dc-en","product_cat-alimentation-mesure-en","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SK120 120W 6A Automatic Buck-Boost Converter | MicroPlanet<\/title>\n<meta name=\"description\" content=\"SK120 120 W buck-boost converter with CV, CC, and constant-power modes, color display, 10 memories, and TTL serial interface.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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