{"product_id":"li-ion-li-po-18650-battery-to-5v-boost-converter","title":"Li-Ion\/Li-Po 18650 Battery to 5V Boost Converter","description":"\u003cp\u003eThe project presented here is capable of supplying\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e400mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof current from a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.7V Li-Ion\/Li-Po Battery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einput with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoutput. The converter has an internal soft start and internal frequency compensation features. The project is built using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLTC3426\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSOT23-6 chip. The LTC3426 chip is in a low profile (1mm) SOT-23 package and has a very low shutdown current of about\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5µA\u003c\/strong\u003e. A switching frequency of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.2MHz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows a tiny solution. The tiny PCB can be mounted on the backside of the a 18650 battery holder. Jumper J1 is the shut-down jumper. Internal soft-start eases inrush current issues.\u003c\/p\u003e\n\u003cp\u003eThe\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eLTC3426\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estep-up switching regulator generates an output voltage of up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.5V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom an input voltage as low as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.6V.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdeal for applications where space is limited, it switches at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.2MHz,\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallowing the use of tiny, low cost and low-profile external components. Its internal\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2A\u003c\/strong\u003e, 100mΩ NMOS switch provides high efficiency even at heavy load, while the constant frequency, current-mode architecture results in low, predictable output noise that is easy to filter. Anti-ringing circuitry reduces EMI concerns by damping the inductor while in discontinuous mode, and internal soft-start eases inrush current worries. Internal frequency compensation is designed to accommodate ceramic output capacitors, further reducing noise. The device features a very low shutdown current of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5µA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Supply 3.7V Li-Ion or Li-Po Battery\u003c\/li\u003e\n\u003cli\u003eOutput 5V DC\u003c\/li\u003e\n\u003cli\u003eLoad 400mA Maximum\u003c\/li\u003e\n\u003cli\u003eSwitching Frequency 1.2Mhz\u003c\/li\u003e\n\u003cli\u003eJumper J1 – Shutdown\u003c\/li\u003e\n\u003cli\u003eIntegrated Soft-Start\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 69.85 x 19.05 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":46962377326764,"sku":"G134","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/G134A.jpg?v=1787127381","url":"https:\/\/dotfry.com\/products\/li-ion-li-po-18650-battery-to-5v-boost-converter","provider":"dotfry","version":"1.0","type":"link"}