{"product_id":"blue-beetle-buck-boost","title":"Blue Beetle (buck-boost)","description":"\u003cp\u003eA tiny, powerful open source buck-boost converter board based on \u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps631000.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eTPS631000DRLR\u003c\/a\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"#blue beetle from Sapphire1X7\" class=\"J9AiF\" height=\"171\" src=\"https:\/\/64.media.tumblr.com\/847ddf1753e265017839e9294eb01c67\/tumblr_phci4sTLTc1uzh9e3o3_540.gifv\" width=\"305\"\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\u003e1.7V to 5.5V input (suitable for 1S Li-ion or 5V USB-C)\u003c\/li\u003e\n\u003cli\u003e1.2V to 5.3V output\n\u003cul\u003e\n\u003cli\u003eVout can be less than, greater than, or equal to Vin\u003c\/li\u003e\n\u003cli\u003eset Vout with 1206 size resistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e~1.5A max output current\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eMax output current varies based on Vin and Vout. \u003cbr\u003eSee Section 8.2.3 in the datasheet for details.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAuto-PFM mode for good efficiency at low loads\u003c\/li\u003e\n\u003cli\u003e80 - 95% 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.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2.5V - 24.3kΩ\u003cbr\u003e2.8V - 21kΩ\u003cbr\u003e3.0V - 6.19kΩ\u003cbr\u003e4.0V - 5.23kΩ\u003cbr\u003e5.0V - 4.02kΩ\u003cbr\u003e5.5V - 3.65kΩ\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-bb.jpg?v=1774052898\" 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\u003eBlue Beetle does not need external capacitors. However, some applications may benefit from external electrolytic caps.\u003c\/li\u003e\n\u003cli\u003eBlue Beetle can become thermally limited at high output voltages. Try to keep losses below 500mW 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 href=\"https:\/\/github.com\/mackieks\/blue_beetle\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehttps:\/\/github.com\/mackieks\/blue_beetle\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\n\u003cdiv style=\"all: initial;\" class=\"notranslate\"\u003e\u003c\/div\u003e","brand":"Flashfi.re","offers":[{"title":"Default Title","offer_id":52461644874037,"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_224428.jpg?v=1774055700","url":"https:\/\/flashfi.re\/products\/blue-beetle-buck-boost","provider":"Flashfi.re","version":"1.0","type":"link"}