{"product_id":"bucky","title":"Bucky (buck)","description":"\u003cp\u003eA tiny, powerful open source buck converter board based on \u003ca href=\"www.ti.com\/lit\/ds\/symlink\/tps62a03.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eTPS62A03ADRLR\u003c\/a\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/tumblr_8824d965acfb5dc34a5a929ec0bbc2ca_5d4999cc_540.gif?v=1774054804\" alt=\"\" width=\"230\" height=\"153\"\u003e\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiny 8.5 x 10.8mm PCB\u003c\/li\u003e\n\u003cli\u003e2.5V to 5.5V input (suitable for 1S Li-ion or 5V USB-C)\u003c\/li\u003e\n\u003cli\u003e0.6 to Vin output\n\u003cul\u003e\n\u003cli\u003eset Vout with 1206 size resistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e3A max output current\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eFor Vout ≥3.3V, output current is lower.\u003cbr\u003eBucky is thermally limited. Try to keep \u003cbr\u003elosses below 750mW for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e90 - 98% efficient\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsage:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThese regulator boards are cheap, simple modules for quick and dirty builds. Don't expect perfection! \u003c\/li\u003e\n\u003cli\u003eSolder a 1206 size resistor to the footprint on the bottom of the PCB to set Vout. With no resistor, Vout is 0.6V.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1V - 133kΩ\u003cbr\u003e1.15V - 97.6kΩ\u003cbr\u003e1.25V - 82.5kΩ\u003cbr\u003e1.5V - 59kΩ\u003cbr\u003e1.8V - 44.2kΩ\u003cbr\u003e2.5V - 28kΩ\u003cbr\u003e3.3V - 19.6kΩ\u003cbr\u003e3.5V - 18.2kΩ\u003cbr\u003e\u003cbr\u003eTo calculate the resistor value for other voltages, use the following formula:\u003cbr\u003e\u003cimg\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/equation.jpg?v=1774049837\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe regulator is enabled by default. Connect the EN pin to GND to disable the regulator. \u003c\/li\u003e\n\u003cli\u003eBucky does not need external capacitors. However, some applications may benefit from external electrolytic caps.\u003c\/li\u003e\n\u003cli\u003eBucky's output current capability is thermally limited. Try to keep losses below 750mW for best results and lowest temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePCB designed in KiCAD. Manufactured and assembled by JLCPCB. Tested in New Mexico.\u003c\/p\u003e\n\u003cp\u003eSource: \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/github.com\/mackieks\/bucky\" target=\"_blank\"\u003ehttps:\/\/github.com\/mackieks\/bucky\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"all: initial;\" class=\"notranslate\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003c\/div\u003e","brand":"Flashfi.re","offers":[{"title":"Default Title","offer_id":52461587988789,"sku":null,"price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/IMG_20260127_224156.jpg?v=1774055439","url":"https:\/\/flashfi.re\/products\/bucky","provider":"Flashfi.re","version":"1.0","type":"link"}