{"title":"Voltage Regulators","description":"","products":[{"product_id":"reggie","title":"Reggie (wide-input buck)","description":"\u003cp\u003eA tiny, powerful open source wide-input buck converter board based on \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps563203.pdf\" target=\"_blank\"\u003eTPS563203DRLR\u003c\/a\u003e. Reggie is perfect for replacing PTH08080s in designs both old and new!\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/P1c6E5o9.gif?v=1744434570\"\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\u003eWide 4.2V to 17V input (14V recommended maximum)\u003c\/li\u003e\n\u003cli\u003e0.6 to 7V 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\u003eReggie 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\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. With no resistor, Vout is 0.6V.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1V - 18kΩ\u003cbr\u003e1.15V - 13kΩ\u003cbr\u003e1.5V - 7.5kΩ\u003cbr\u003e1.8V - 5.9kΩ\u003cbr\u003e2.5V - 3.74kΩ\u003cbr\u003e3.3V - 2.61kΩ\u003cbr\u003e3.5V - 2.49kΩ\u003cbr\u003e5V - 1.58kΩ\u003cbr\u003e\u003cbr\u003eTo calculate the resistor value for other voltages, use the following formula:\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/formula.png?v=1744487564\"\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\u003eReggie does not need external capacitors. However, some applications may benefit from external electrolytic caps. \u003c\/li\u003e\n\u003cli\u003eReggie'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 href=\"https:\/\/github.com\/mackieks\/reggie\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ehttps:\/\/github.com\/mackieks\/reggie\u003c\/a\u003e\u003c\/p\u003e","brand":"Flashfi.re","offers":[{"title":"Default Title","offer_id":50822572933429,"sku":"","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/IMG_20250411_200047.jpg?v=1744436326"},{"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"},{"product_id":"booster-gold","title":"Booster Gold (boost)","description":"\u003cp\u003eA tiny, powerful open source boost converter board based on \u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps61022.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eTPS61022RWUR\u003c\/a\u003e. \u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"max-width: 833px;\" alt=\"a cartoon of a superhero with a cn logo on the bottom\" height=\"116\" width=\"206\" src=\"https:\/\/media1.tenor.com\/m\/Id1_WRcJZbcAAAAC\/booster-gold-smile.gif\"\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\u003e1.8V to 5.5V input (suitable for 1S Li-ion or 5V USB-C)\u003c\/li\u003e\n\u003cli\u003e2.2V to 5.5V output\n\u003cul\u003e\n\u003cli\u003eVout must be greater than 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\u003e3A max output current\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eBooster Gold is thermally limited. Try to keep losses \u003cbr\u003ebelow 750mW for best results at high output currents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAuto-PFM mode for decent efficiency at low loads\u003c\/li\u003e\n\u003cli\u003e90 - 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;\"\u003e3V - 7.50kΩ\u003cbr\u003e3.3V - 6.65kΩ\u003cbr\u003e3.5V - 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 alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/equation-boost.jpg?v=1774052025\"\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\u003eBooster Gold does not need external capacitors. However, some applications may benefit from external electrolytic caps.\u003c\/li\u003e\n\u003cli\u003eBooster Gold'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 href=\"https:\/\/github.com\/mackieks\/booster_gold\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ehttps:\/\/github.com\/mackieks\/booster_gold\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003c\/div\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":52461633274165,"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_224244.jpg?v=1774055942"},{"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 - 19.1kΩ\u003cbr\u003e3.3V - 17.4kΩ\u003cbr\u003e3.5V - 16.2kΩ\u003cbr\u003e4.0V - 13.7kΩ\u003cbr\u003e5.0V - 10.7k\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\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ehttps:\/\/github.com\/mackieks\/blue_beetle\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"all: initial;\" class=\"notranslate\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"all: initial;\" class=\"notranslate\"\u003e\u003cbr\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"},{"product_id":"cherry-bomb","title":"Cherry Bomb","description":"\u003cp\u003eA compact, simple, easy-to-use OSHW 1S li-ion battery charger and 5V boost converter, for Raspberry Pi projects and other portablizing applications, utilizing \u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/bq25616.pdf\" target=\"_blank\"\u003eBQ25616RTWR\u003c\/a\u003e and \u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps61022.pdf\" target=\"_blank\"\u003eTPS61022RWUR.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/cherry-bomb-powie.gif?v=1774058050\" alt=\"\" width=\"184\" height=\"138\"\u003e\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiny 19 x 11mm PCB\u003c\/li\u003e\n\u003cli\u003eBQ25616 4.2V, 2.5A 1S Li-ion charger (1S ONLY!)\u003c\/li\u003e\n\u003cli\u003e5V - 12V recommended VBUS voltage\u003c\/li\u003e\n\u003cli\u003ePG (power-good) and STAT (charge indicator) LEDs\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOnboard TPS61022 fixed 5V\/3A boost converter\u003c\/li\u003e\n\u003cli\u003e~3A max output current\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAuto-PFM mode for decent efficiency at low loads\u003c\/li\u003e\n\u003cli\u003e90 - 95% efficient\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsage:\u003c\/p\u003e\n\u003cp\u003ePlease see the charger IC datasheet (\u003ca href=\"https:\/\/www.ti.com\/lit\/ds\/symlink\/bq25616.pdf\" target=\"_blank\"\u003eBQ25616RTWR\u003c\/a\u003e) for specifics!\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\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\u003eConnect a single-cell (1SxP) Li-ion pack to VBAT and GND\u003c\/li\u003e\n\u003cli\u003eConnect a 5V - 12V 3A input source to the VBUS and GND pins to charge the pack at up to 2.5A. Charge cutoff is fixed at 4.2V.\u003c\/li\u003e\n\u003cli\u003eCherry Bomb does not handle cell protection! Use a PCM and\/or housekeeping microcontroller to avoid battery damage!\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe 5V boost converter is disabled by default. Connect the EN pin to 1.8V-5.5V to enable the regulator and output 5V at up to 3A.\u003c\/li\u003e\n\u003cli\u003eCherry Bomb does not need external capacitors. However, some applications may benefit from external electrolytic caps, especially if the 5V load is far away.\u003c\/li\u003e\n\u003cli\u003eCherry Bomb is thermally limited since it uses a basic 2-layer PCB. Expect it to reach relatively high temperatures while charging, and expect charging to slow down if the 5V regulator is in use during charging. You can mount Cherry Bomb to a larger board, or put a heatsink on the BQ, to improve its thermal performance.\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\/cherry_bomb\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/github.com\/mackieks\/cherry_bomb\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"all: initial;\" class=\"notranslate\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"notranslate\" style=\"all: initial;\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Flashfi.re","offers":[{"title":"Default Title","offer_id":52461705494837,"sku":null,"price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0908\/4541\/3685\/files\/IMG_20260127_224543.jpg?v=1774056355"}],"url":"https:\/\/flashfi.re\/collections\/power-management.oembed","provider":"Flashfi.re","version":"1.0","type":"link"}