Fsae pihat
About the Fsae pihat PCB
Fsae pihat is an open source Raspberry Pi PCB design by picafe, published on GitHub. It is a 4-layer board measuring 85 × 56 mm, with 65 components from 42 distinct parts.
Its main chip is the RASPBERRY_PI_4, from the Raspberry Pi family. Other key parts include the TPS5430DDAR, TPS1H200AQDGNRQ1, PCF8563T, SN65HVD230DR-JSM and MCP2515-XST. By type, the board carries 21 resistors, 12 diodes, 12 capacitors, 5 ICs, 3 connectors and 2 crystals.
It belongs with the dev boards & breakouts, power & battery and rf & radio designs in this gallery.
From the project
A Raspberry Pi 4B hat to help power analytics in a FSAE car ⚡
This project is a revision 2.5 of the Raspberry Pi DAQ (data acquisition) HAT for Western Formula Racing FSAE. It consolidates the features still needed from the failed rev 2 boards into a single HAT: a 24 V → 5 V buck converter to power the Pi, input protection on the car rail, CAN transceiver + controller, static PoE injection control, and RTC with coin cell for the Pi 4B.
Main components on the Fsae pihat
Fsae pihat bill of materials (BOM)
65 components, 42 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPS5430DDAR Texas Instruments | ESOP-8_L4.9-W3.9-P1.27-LS6.0-TL-EP | U1 |
| 1 | TPS1H200AQDGNRQ1 TI(德州仪器) | EMSOP-8_L3.0-W3.0-P0.65-LS4.9-BL-EP-A | U2 |
| 1 | PCF8563T NXP Semicon | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | SN65HVD230DR-JSM JSMSEMI(杰盛微) | SOP-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | MCP2515-XST MCP2515-xST | TSSOP-20_4.4x6.5mm_P0.65mm | U5 |
| 1 | Q13FC1350000400 Seiko Epson | FC-135R_L3.2-W1.5 | X1 |
| 1 | X322512MSB4SI Yangxing Tech | CRYSTAL-SMD_4P-L3.2-W2.5-BL | X2 |
| 1 | RASPBERRY_PI_4 Raspberry_Pi_4 | PinSocket_2x20_P2.54mm_Vertical | J1 |
| 2 | 1-2834011-4 | CONN_1-2834011-4_TEC | J2, J3 |
| 1 | Battery_Cell | BAT-HLD-012-SMT-TR | BT1 |
| 2 | TMJUTHQ0021192425 Taoglas | TMJUTHQ0021192425 | ETH1, ETH2 |
| 1 | 1812L200/30GR LUTE(陆特) | F1812 | F1 |
| 2 | 3568 Keystone | FUSE-SMD_4P-L16.0-W6.7-P3.40 | FH1, FH2 |
| 2 | JUMPER_3_OPEN Jumper_3_Open | PinHeader_1x03_P2.54mm_Vertical | JP1, JP2 |
| 1 | C720477 Tactile Button, 160gf XUNPU | SW_SPST_TS-1088-xR020 | S1 |
| 4 | SS54 hongjiacheng | D_SMA | D1, D2, D4, D5 |
| 1 | SS54C R+O(宏嘉诚) | SMC_L6.9-W5.9-LS7.9-RD | D3 |
| 1 | SMAJ40CA | D_SMA | D6 |
| 2 | RB751V-40 hongjiacheng | D_SOD-323 | D7, D9 |
| 1 | TPSM24CANB-02HTG TECH PUBLIC(台舟) | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | D8 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C2297 Green Hubei KENTO Elec | D_0805 | D10 |
| 1 | C84256 Red Foshan NationStar Optoelectronics | D_0805 | D11 |
| 1 | C2296 Yellow Hubei KENTO Elec | D_0805 | D12 |
| 1 | SRR1260-150M BOURNS | IND-SMD_L12.5-W12.5_GSDRK127P | L1 |
| 3 | 4.7UF 4.7uF FH(Guangdong Fenghua Advanced Tech) | C_1206 | C1, C2, C3 |
| 1 | 10NF 10nF Samsung Electro-Mechanics | C_0805 | C4 |
| 1 | 22PF 22pF FH(Guangdong Fenghua Advanced Tech) | C_0402 | C5 |
| 1 | 6TPE330MAP PANASONIC(松下) | CAP-SMD_L7.3-W4.3-R-RD | C6 |
| 1 | 100NF 100nF Samsung Electro-Mechanics | C_0402 | C7 |
| 1 | 1UF 1uF Samsung Electro-Mechanics | C_0402 | C8 |
| 2 | 30PF 30pF FH(Guangdong Fenghua Advanced Tech) | C_0402 | C9, C10 |
| 2 | 100NF 100nF YAGEO | C_0603 | C11, C12 |
| 1 | 1kΩ UNI-ROYAL(Uniroyal Elec) | R_0603x4 | R1 |
| 6 | 470Ω UNI-ROYAL(Uniroyal Elec) | R_0402 | R2, R3, R7, R8, R16, R18 |
| 5 | 10kΩ UNI-ROYAL(Uniroyal Elec) | R_0402 | R4, R13, R14, R19, R21 |
| 1 | 3kΩ UNI-ROYAL(Uniroyal Elec) | R_0603 | R5 |
| 1 | 150Ω UNI-ROYAL(Uniroyal Elec) | R_0603 | R6 |
| 1 | 1kΩ UNI-ROYAL(Uniroyal Elec) | R_0402 | R9 |
| 3 | 4.7kΩ UNI-ROYAL(Uniroyal Elec) | R_0402 | R10, R11, R12 |
| 1 | 680Ω UNI-ROYAL(Uniroyal Elec) | R_0402 | R15 |
| 1 | 120Ω UNI-ROYAL(Uniroyal Elec) | R_0603 | R17 |
| 1 | 1kΩ UNI-ROYAL(Uniroyal Elec) | R_0603 | R20 |
Fsae pihat design files
The KiCad project lives in the picafe/fsae-daq-hat repository on GitHub; these links point at the commit this page was built from.
Fsae pihat: common questions
What microcontroller does the Fsae pihat use?
The Fsae pihat is built around the RASPBERRY_PI_4, from the Raspberry Pi family.
How big is the Fsae pihat PCB?
The Fsae pihat measures 85 × 56 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Fsae pihat?
65 components, from 42 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Fsae pihat design files?
From the picafe/fsae-daq-hat repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Fsae pihat design in my own project?
The repository has no license, so all rights stay with picafe. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Fsae pihat without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.
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