6 layers200 × 75 mm
2 layers85 × 20 mm
Resetboard
Nitrokey/nextbox-board1- Size
- 85 × 20 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 57
- Pads
- 168
- Tracks, vias
- 351, 27
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 17 Dec 2020
- Updated
- 22 Feb 2021
Overview
Resetboard is an open-source printed circuit board by Nitrokey, from the Nitrokey/nextbox-board repository on GitHub. It is a 2-layer board of 85 × 20 mm with 30 parts on 57 nets, routed with 351 tracks and 27 vias.
It is built around the PCF8523TK/1 and EASV3015RGBA0. Its parts include 10 resistors, 8 capacitors, 4 connectors, 2 ICs and 2 diodes.
Main components
2Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 1k | Resistor_SMD:R_0603_1608Metric | R4, R5, R6, R7, R8 |
| 4 | 100n | Capacitor_SMD:C_0603_1608Metric | C2, C6, C7, C8 |
| 3 | 5.1k | Resistor_SMD:R_0603_1608Metric | R1, R2, R9 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | 33R | Resistor_SMD:R_0603_1608Metric | R3, R10 |
| 2 | C | Capacitor_SMD:C_0402_1005Metric | C4, C5 |
| 1 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Battery_Cell | Battery:BatteryHolder_Keystone_3000_1x12mm | BT1 |
| 1 | Conn_01x02 | Connector_JST:JST_GH_SM02B-GHS-TB_1x02-1MP_P1.25mm_Horizontal | J3 |
| 1 | Conn_01x06 | Connector_JST:JST_GH_BM06B-GHS-TBT_1x06-1MP_P1.25mm_Vertical | J4 |
| 1 | Conn_02x20_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical | J2 |
| 1 | Crystal_Small | Crystal:Crystal_SMD_2012-2Pin_2.0x1.2mm | Y1 |
| 1 | D_Zener_ALT | Diode_SMD:D_SOD-123 | D1 |
| 1 | EASV3015RGBA0 | catwsparts:HQ12-2353RBGC | D3 |
| 1 | PCF8523TK | Package_SON:HVSON-8-1EP_4x4mm_P0.8mm_EP2.2x3.1mm | U1 |
| 1 | SE050 | Package_DFN_QFN:UQFN-20-1EP_3x3mm_P0.4mm_EP1.85x1.85mm | U2 |
| 1 | SW_SPST | Button_Switch_SMD:SW_SPST_EVQP7C | SW1 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11 | J1 |
Questions
How big is the Resetboard PCB?
It measures 85 × 20 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Resetboard use?
30 parts, built around the PCF8523TK/1 and EASV3015RGBA0. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Resetboard KiCad files?
From the Nitrokey/nextbox-board repository on GitHub, at the commit this page was made from: the board is resetboard/resetboard.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Resetboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask Nitrokey before reusing the design.
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