RaspberryPi UPS HAT
About the RaspberryPi UPS HAT
RaspberryPi UPS HAT is an open source AVR/Arduino PCB design by gvoigtlaender, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 65 × 56 mm, with 52 components from 31 distinct parts.
Its main chip is the ATtiny841-SSU, from the AVR/Arduino family. Other key parts include the AMS1117-3.3, DS18B20, MT3608 and TP4054. By type, the board carries 15 resistors, 12 capacitors, 6 connectors, 5 ICs, 5 transistors and 5 diodes.
It belongs with the power & battery and dev boards & breakouts designs in this gallery.
From the project
RaspberryPi UPS HAT
Main components on the RaspberryPi UPS HAT
RaspberryPi UPS HAT bill of materials (BOM)
52 components, 31 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U1 |
| 1 | ATtiny841-SSU | SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 1 | DS18B20 | TO-92_Inline | U3 |
| 1 | MT3608 | SOT-23-6_Handsoldering | U4 |
| 1 | TP4054 | SOT-23-5 | U5 |
| 2 | BC846 | SOT-23 | Q1, Q2 |
| 3 | AO3401A | SOT-23 | Q3, Q4, Q5 |
| 1 | ISP | PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | Raspberry_Pi_2_3 | PinSocket_2x20_P2.54mm_Vertical_RPI | J2 |
| 1 | BAT | JST-PH-2-SMT-RA | J3 |
| 1 | COM | PinHeader_1x04_P2.54mm_Horizontal | J4 |
| 1 | FAN | PinHeader_1x02_P2.54mm_Horizontal | J5 |
| 1 | USB4125-GF-A_REVA | GCT_USB4125-GF-A_REVA | J6 |
| 1 | Fuse | Fuse_1812_4532Metric | F1 |
| 1 | BTN | SW_SPST_SKQG_WithoutStem | SW1 |
| 1 | RST | SW_SPST_SKQG_WithoutStem | SW2 |
| 4 | 1N5819 | D_SMA | D1, D2, D3, D5 |
| 1 | LED | D_0805_2012Metric | D4 |
| 1 | 6.8uH | L_6.3x6.3_H3 | L1 |
| 1 | 470pF | C_0805_2012Metric | C1 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 1uF | C_0805_2012Metric | C2, C8, C9 |
| 4 | 22uF | C_0805_2012Metric | C3, C4, C5, C6 |
| 3 | 100nF | C_0805_2012Metric | C7, C10, C11 |
| 1 | 100uF | CP_Elec_6.3x5.9 | C12 |
| 1 | 22k | R_0805_2012Metric | R1 |
| 1 | 33k | R_0805_2012Metric | R2 |
| 2 | 5.1k | R_0805_2012Metric | R3, R8 |
| 5 | 10k | R_0805_2012Metric | R4, R5, R12, R13, R14 |
| 4 | 100k | R_0805_2012Metric | R6, R7, R9, R10 |
| 1 | 14k | R_0805_2012Metric | R11 |
| 1 | 4k7 | R_0805_2012Metric | R15 |
RaspberryPi UPS HAT design files
The KiCad project lives in the gvoigtlaender/RaspberryPi_UPS_HAT repository on GitHub; these links point at the commit this page was built from.
RaspberryPi UPS HAT: common questions
What microcontroller does the RaspberryPi UPS HAT use?
The RaspberryPi UPS HAT is built around the ATtiny841-SSU, from the AVR/Arduino family.
How big is the RaspberryPi UPS HAT?
The RaspberryPi UPS HAT measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RaspberryPi UPS HAT?
52 components, from 31 distinct parts. The full bill of materials is listed on this page.
Where can I download the RaspberryPi UPS HAT design files?
From the gvoigtlaender/RaspberryPi_UPS_HAT repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the RaspberryPi UPS HAT design in my own project?
Yes, under the terms of its GPL-3.0 license, which gvoigtlaender chose for the repository.
Can I test firmware for the RaspberryPi UPS HAT without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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