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TorxHAT

RobotStudyCompanion·torxHAT

TorxHAT PCB layout, top view — open source board by RobotStudyCompanion
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About the TorxHAT PCB

TorxHAT is an open source PCB design by RobotStudyCompanion, published on GitHub under the Custom license license. It is a 2-layer board measuring 65 × 56.6 mm, with 78 components from 34 distinct parts.

Other key parts include the LMR604403SRAKR and CYPD3177-24LQ. By type, the board carries 28 capacitors, 20 resistors, 4 transistors, 4 connectors, 3 ICs and 2 LEDs.

It belongs with the audio, dev boards & breakouts and robotics & motion designs in this gallery.

From the project

torxHAT: a compact 2-layer Raspberry Pi HAT for the RSC with pass-through GPIO and support for many audio HATs

This repository contains the PCB design files for torxHat developed for the Robotic Study Companion (RSC) platform.

This board was designed to reduce dependency on specific audio HATs, while supporting multiple audio HAT options it also offers USB power delivery and peripheral connectivity.

The board is powered from a single USB-C PD input configured for 20 V 2.5 A.

TorxHAT, from the project README
From the project README

Main components on the TorxHAT

LMR604403SRAKRCYPD3177-24LQ

TorxHAT bill of materials (BOM)

78 components, 34 distinct parts.

QtyPartRefs
2
LMR604403SRAKR
U3, U4
1
CYPD3177-24LQ
U5
1
2N7002-7-F
Q1
1
BSS138
Q2
2
DMP3013SFV
Q3, Q4
1
NPTC202KFMS-RC
J1
1
TSM-120-02-F-DH
J4
1
PRT-14417
J9
1
USB_C_Receptacle_PowerOnly_6P
J16
4
SHUNT
FPWM1, FPWM2, RENT1, RENT2
4
DNP
PFM1, PFM2, RENB1, RENB2
2
20k
RFBB1, RFBB2
2
82k
RFBT1, RFBT2
2
16k5
RT1, RT2
1
KW EELP41.RU-S1U1-3K6L-3X4X-5-R18
KW_EELP41.RU-S1U1-3K6L-3X4X-5-R18
LED1
1
KR EELP41.22-Q1S1-36-A8J8-020-R18
KR_EELP41.22-Q1S1-36-A8J8-020-R18
LED2
1
BAT54WS-7-F
D1
2
74438356015HT
L1, L2
15
100nF
C1, C2, C3, C4, C5, C6, C7, C8 +7
4
4.7uF
C37, C38, C39, C40
Show 14 more
QtyPartRefs
2
22uF
C45, C46
2
390pF
C47, C49
1
3.3uF
C48
4
1uF
C50, C51, C52, C55
3
1k
R1, R11, R17
1
150
R2
3
10k
R3, R4, R8
3
100k
R5, R6, R7
2
0
R9, R12
2
DNP
R10, R13
1
49k9
R14
2
5k1
R15, R18
2
2k4
R16, R19
1
50k
R20

TorxHAT design files

The KiCad project lives in the RobotStudyCompanion/torxHAT repository on GitHub; these links point at the commit this page was built from.

TorxHAT: common questions

How big is the TorxHAT PCB?

The TorxHAT measures 65 × 56.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TorxHAT?

78 components, from 34 distinct parts. The full bill of materials is listed on this page.

Where can I download the TorxHAT design files?

From the RobotStudyCompanion/torxHAT repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the TorxHAT design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

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