HardLabs

Tp1

tillitis·tp1·hw/tp1.kicad_pcb

Tp1 PCB layout, top view — open source RP2040/RP2350 board by tillitis

About the Tp1 PCB

Tp1 is an open source RP2040/RP2350 PCB design by tillitis, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 45 × 87 mm, with 16 components from 9 distinct parts.

Its main chip is the SC0915, from the RP2040/RP2350 family. By type, the board carries 9 resistors, 2 transistors, 2 connectors, 1 IC and 1 fuse.

It belongs with the usb & debug tools designs in this gallery.

From the project

TP1 is the programmer for the open source security key - TKey

The TKey Programmer 1 (TP1) board is a tool used to program the FPGA on a TKey. It consists of a RPI Pico and a jig where the TKey can be placed.

The board is interfaced using USB, and it will display itself as ID 1209:8886 Generic TP-1. The TKey is supposed to be placed in the jig and one closes the lid carefully by pressing in the middle of the jig (by the hole). To open the lid of the jig, it is easiest to simply lift up on the lever.

Main components on the Tp1

SC0915

Tp1 bill of materials (BOM)

16 components, 9 distinct parts.

QtyPartRefs
1
SC0915
Pico
Raspberry Pi
U2
1
AO3400A
Alpha & Omega
Q1
1
AO3401A
Alpha & Omega
Q2
1
BC-1-208
Disong
J3
1
BC-1-701
Disong
J4
1
0ZCJ0005FF2E
50mA
Bel Fuse
F1
1
mta1_usb_ch552_flat
JIG1
2
10K
Any/not critical
R7, R8
7
100R
Any/not critical
R11, R12, R13, R14, R15, R16, R17

Tp1 design files

The KiCad project lives in the tillitis/tp1 repository on GitHub; these links point at the commit this page was built from.

Tp1: common questions

What microcontroller does the Tp1 use?

The Tp1 is built around the SC0915, from the RP2040/RP2350 family.

How big is the Tp1 PCB?

The Tp1 measures 45 × 87 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Tp1?

16 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Tp1 design files?

From the tillitis/tp1 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Tp1 design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which tillitis chose for the repository.

Can I test firmware for the Tp1 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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