2 layers61.7 × 36.8 mm
Genesis 6button
rfmerrill/genesis_6button
Simple PCB + ATTiny404 code for a 6-button mega drive controller.
27 parts5MIT
2 layers90 × 40 mm
PSUPack
cnf/PSUPackPSU BackPack / breakout
- Size
- 90 × 40 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 23
- Pads
- 136
- Tracks, vias
- 123, 18
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 6 Sep 2025
- Updated
- 12 Sep 2025
Overview
PSUPack is an open-source printed circuit board by cnf, from the cnf/PSUPack repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 90 × 40 mm with 25 parts on 23 nets, routed with 123 tracks and 18 vias.
It is built around the ATTINY404-SSN, LP2985-33DBV and 10046971-001LF. Its parts include 10 connectors, 5 resistors, 2 capacitors, 2 ICs and 2 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATTINY404-SSN
SOIC-14-40℃~+105℃ 1.8V~5.5V 10bit 12 128Byte 20MHz 256Byte 4KB 8 Bit AVR Built-in FLASH SOIC-14 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
LP2985-33DBV
SOT-23-5-40℃~+125℃@(Tj) 1 150mA 16V 3.3V 30uVrms 45dB@(1kHz) 575mV@(150mA) 850uA Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown、Enable control、Noise bypass terminal Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
10046971-001LF
插件,P=2.54mm-5℃~+105℃ 2.54mm 64P Copper alloy Gold Through Hole 插件,P=2.54mm Edgeboard Connectors ROHSAmphenolEdgeboard Connectors
README
PCB/README.mdPSUPack PCB
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | XT60 | Connector_AMASS:AMASS_XT60-F_1x02_P7.20mm_Vertical | P1, P2, P3, P4, P5, P6 |
| 5 | R_Small | PCM_Resistor_SMD_AKL:R_0805_2012Metric_Pad1.15x1.40mm | R1, R2, R3, R4, R5 |
| 1 | 10046971-001LF | Connectors:CONN_10046971-001LF_AMP | J2 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 10nF | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | ATtiny404-SS | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | Debug | Connector_PinSocket_1.27mm:PinSocket_1x08_P1.27mm_Vertical | J1 |
| 1 | Feed Through Holes | Connector_AMASS:AMASS_XT60-F_1x02_P7.20mm_Vertical | P7 |
| 1 | Green LED | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | Grove I^{2}C | Connector:NS-Tech_Grove_1x04_P2mm_Vertical | J3 |
| 1 | LP2985-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | Power Switch | Button_Switch_THT:SW_Slide_SPDT_Straight_CK_OS102011MS2Q | SW1 |
| 1 | Red LED | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | ssd1306 OLED 128x32 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | DS1 |
The 23 most common of 25 parts.
Questions
How big is the PSUPack PCB?
It measures 90 × 40 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PSUPack use?
25 parts, built around the ATTINY404-SSN, LP2985-33DBV and 10046971-001LF. 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 PSUPack KiCad files?
From the cnf/PSUPack repository on GitHub, at the commit this page was made from: the board is PCB/PSUPack.kicad_pcb and its schematic PCB/PSUPack.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PSUPack design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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