{"id":17876295,"url":"https://github.com/tehmaze/powerbrrr","last_synced_at":"2026-01-11T05:48:16.891Z","repository":{"id":41816941,"uuid":"409355855","full_name":"tehmaze/PowerBRRR","owner":"tehmaze","description":"48V injection daughter board for Step Stick 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PowerBRRR [![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/O4O87Q19F)\n\n[![Join me on Discord](https://discord.com/api/guilds/859029902648672256/widget.png?style=banner2)](https://discord.gg/J5ZarAe6) \n\n48V injection daughter board for Step Stick drivers.\n\n## 48V capable hardware\n\n### Mainboards\n\n| Manufacturer | HV ports | Capacitor rating | Max motor amperage (recommended) |\n|-|-|-|-|\n| [Annex Engineering SuperNova](https://store.annex.engineering/products/constellation-supernova-beta-0-1) | 4 | 330µF 63V | 3A per motor, 10A max total |\n| [BigTreeTech Octopus Pro](https://s.click.aliexpress.com/e/_A7pmpM) | 8 | 110µF 63V | 1.1A |\n| [Fysetc Spider 2](https://s.click.aliexpress.com/e/_Ao7vds) | 2 | 110µF 63V | 1.1A |\n| [Mellow FLY Gemini](https://s.click.aliexpress.com/e/_AWuUII) | 4 | 110µF 50V | 1.1A |\n| [Mellow FLY Super 8 HV](https://s.click.aliexpress.com/e/_ApXre6) | 3 | 110µF 50V | 1.1A |\n\n### Stepper drivers\n\nThere are multiple HV-options (beyond 24V), pay close attention to the maximum safe voltage (based on the components on the boards)!\n\n| Manufacturer | Driver chip | Rated voltage | Max safe voltage | Max current |\n|-|-|-|-|-|\n| [BigTreeTech TMC2130](https://s.click.aliexpress.com/e/_AdHelD) | TMC2130 | 45V | 42V | 2.5A |\n| [BigTreeTech TMC5160](https://s.click.aliexpress.com/e/_AKRDf1) | TMC5160 | 35V | 32V | 3A |\n| BigTreeTech TMC5160 Pro | TMC5160 | 60V | **48V** | 3A |\n| [Fysetc TMC2130](https://s.click.aliexpress.com/e/_ATkJz9) | TMC2130 | 45V | 42V | 2.5A |\n| [Fysetc TMC5160](https://s.click.aliexpress.com/e/_ATkJz9) | TMC5160 | 35V | 32V | 3A |\n| Fysetc TMC5160 HV | TMC5160 | 60V | **48V** | 3A |\n| [IdeaFormer TMC2130 V1.2](https://s.click.aliexpress.com/e/_AdHelD) | TMC2130 | 45V | 42V | 2.5A |\n| [Mellow TMC5160 HV](https://s.click.aliexpress.com/e/_A8PwqQ) | TMC5160 | 60V | 42V | 3A |\n| [Watterott TMC2130](https://shop.watterott.com/SilentStepStick-TMC2130-Stepper-Motor-Driver) | TMC2130 | 45V | 42V | 2.5A |\n| [Watterott TMC5160 HV](https://shop.watterott.com/SilentStepStick-TMC5160-Stepper-motor-driver-HV-V15) | TMC5160 | 60V | **48V** | 3A |\n\n\n\u003cspan style=\"font-size:50%\"\u003eThe links provided are affiliate links, they cost you nothing extra but provide me with a small kick back to buy stuff for R\u0026D\u003c/span\u003e\n\n![Final assembly](./images/09F4CF90-5943-41B8-BEAC-B70100F668FB_1_105_c.jpeg)\n\n## Warning\nUsing 48V electronics can cause serious harm on injury, only attempt to install this on your printer if you know what you are doing.\n\nUnder no circumstances I can be held responsible for harm or injury to any person or piece of equipment and you waiver all rights to hold me responsible for anything that happens as a result of using my design, or even thinking about my design.\n\n## Boards\n\n* **PowerBRRR for BigTreeTech SKR 1.x/2.x**:\n  * [Gerber_PowerBRRR SKR](./Gerber_PowerBRRR%20SKR_2021-09-22.zip)\n* **PowerBRRR for BigTreeTech SKR Pro/Octopus, Fysetc Spider, FLY F407, etc.**: \n  * [Gerber_PowerBRRR Octopus_Spider](./Gerber_PowerBRRR%20Octopus_Spider_2021-09-22.zip)\n\nSuggested manufacturing is using 2oz copper or gold traces.\n\n## Bill of materials\n\n* 1x 220µF (2A) / 330µF (3A) / 470µF (4A) 63V 13x25 capacitor\n* 1x WJ127-5.0-2P screw terminal\n* 2x 8P 2.54mm pitch stacking headers\n* 1x 2P 2.54mm pitch stacking headers\n* 1x SOD123FL\n\n## Assembly\n\nMake sure the VM pin is cut short; you can leave GND:\n\n![Remove VM](./images/C28A7719-5B15-4E75-AFF1-D4E878BD47A6_1_105_c.jpeg)\n\nSuggested stepstick and motor power connector placement:\n\n![StepStick placement](./images/BDAB8EB0-31D3-4D04-B1EB-267B53DB9AE4_1_105_c.jpeg)\n\nCover the back with kapton tape, nobody likes to get zapped accidentally ([unless it generates views you can monetize](https://www.youtube.com/channel/UCJ0-OtVpF0wOKEqT2Z1HEtA)).\n\n![Kapton tape](./images/D83F7161-6625-4BD3-8D6B-E5B84A2D34B2_1_105_c.jpeg)\n\n# Builds\n\n## Fysetc Spider 1.x by [netweaver](https://github.com/netweaver1970)\n\nThis is on the [Fysetc Spider 1.x](https://s.click.aliexpress.com/e/_AX27Ty) mainboard (8 driver slots).\n\n![Fysetc Spider by netweaver](./images/fysetc-spider-netweaver.jpg)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftehmaze%2Fpowerbrrr","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftehmaze%2Fpowerbrrr","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftehmaze%2Fpowerbrrr/lists"}