{"product_id":"sg3525-lm358-pwm-inverter-driver-board-12v-24v-adjustable","title":"SG3525 + LM358 PWM Inverter Driver Board — 12V–24V, Adjustable Frequency \u0026 Duty Cycle","description":"\u003ch2\u003eSG3525 + LM358 PWM Inverter Driver Board — 12V–24V\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eSG3525 + LM358 PWM driver board\u003c\/strong\u003e provides a complete \u003cstrong\u003epush-pull PWM drive stage\u003c\/strong\u003e for building DC-AC inverters and switched-mode power supplies. The \u003cstrong\u003eSG3525 PWM controller IC\u003c\/strong\u003e generates complementary push-pull gate drive signals with adjustable frequency and dead-time, while the \u003cstrong\u003eLM358 op-amp\u003c\/strong\u003e provides feedback and protection functions. Operates from \u003cstrong\u003e12V to 24V DC\u003c\/strong\u003e input.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Controller IC\u003c\/td\u003e\n\u003ctd\u003eSG3525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOp-Amp IC\u003c\/td\u003e\n\u003ctd\u003eLM358\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e12V – 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eComplementary push-pull PWM (for MOSFET\/IGBT gate drive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003eAdjustable (via onboard trimmer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty Cycle\u003c\/td\u003e\n\u003ctd\u003eAdjustable (via onboard trimmer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead-Time Control\u003c\/td\u003e\n\u003ctd\u003eYes (SG3525 built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose This Driver Board?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSG3525 push-pull output\u003c\/strong\u003e — complementary gate signals for full-bridge and push-pull topologies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable frequency\u003c\/strong\u003e — tune switching frequency for your transformer and MOSFET\/IGBT selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in dead-time\u003c\/strong\u003e — prevents shoot-through in bridge topologies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM358 feedback\u003c\/strong\u003e — output voltage regulation and protection functions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-24V input\u003c\/strong\u003e — compatible with 12V car battery, 24V battery bank, and solar systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY DC-AC inverter\u003c\/strong\u003e — drive push-pull or full-bridge MOSFET\/IGBT stage for 12V\/24V to AC conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitched-mode power supply\u003c\/strong\u003e — push-pull converter control stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-frequency transformer driver\u003c\/strong\u003e — drive ferrite core transformer for voltage step-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower electronics education\u003c\/strong\u003e — learn SG3525 PWM control and push-pull topology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-powered inverter\u003c\/strong\u003e — 12V car battery to 220V AC for portable power\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Does this board include the power MOSFETs or IGBTs?\u003c\/strong\u003e\u003cbr\u003eA: No. This is the PWM driver\/control board only. You need to add external MOSFETs (e.g., IRF3205) or IGBTs and a high-frequency transformer for a complete inverter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What frequency range does SG3525 support?\u003c\/strong\u003e\u003cbr\u003eA: The SG3525 oscillator frequency is set by external R and C components. Typical range is 100Hz to 500kHz. The onboard trimmer adjusts within the designed range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can this board drive IGBTs directly?\u003c\/strong\u003e\u003cbr\u003eA: The SG3525 output current is limited (~100mA peak). For IGBTs with large gate charge, add a gate driver buffer (e.g., TC4420, UCC27321) between the SG3525 output and IGBT gate.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1x SG3525 + LM358 PWM Inverter Driver Board\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"1","offer_id":46991477309675,"sku":"14:350852#1","price":7.12,"currency_code":"USD","in_stock":true},{"title":"2","offer_id":46991477342443,"sku":"14:10#2","price":5.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/sg3525-lm358-inverter-driver-mixer-preamp-12v-24v.webp?v=1761629738","url":"https:\/\/keszoox.com\/products\/sg3525-lm358-pwm-inverter-driver-board-12v-24v-adjustable","provider":"Keszoox","version":"1.0","type":"link"}