RTB D16

git4dcc·RTB_D16

RTB D16 PCB layout, top view — open source board by git4dcc

About the RTB D16 PCB

RTB D16 is an open source PCB design by git4dcc, published on GitHub under the Apache-2.0 license. It is a 6-layer board measuring 17 × 10.9 mm, with 43 components from 25 distinct parts.

Other key parts include the DRV8231ADSGR, NCP730BMT330TBG and AVR-64DA32. By type, the board carries 26 resistors, 7 capacitors, 3 ICs, 3 transistors, 2 connectors and 2 diodes.

From the project

DCC / Railcom decoder (NEM651, single sided)

My Homebrew D16 decoder is a single sided mobile decoder with NEM-651 connector. The decoder is designed to integrate into the RTB digital control infrastructure.

- RTBD12 - custom (Fleischmann V100) - RTBD13 - custom (Minitrix coach) - RTBD15 - custom (Minitrix V160) - RTBD20 - NEM651 - RTBD21 - Next18 - RTBD22 - Plux16 - RTB_D23 - NEM652

The decoder has the following features, - NEM-651 connector - DCC - DCC-A automatic logon - DCC-R protocol extension - Service Mode Programming - Railcom - Channel 1/2 - POM, xPOM - DYN: Speed, QoS, Track-voltage, Motor-current, AUX-current, Temp…

RTB D16, from the project README
From the project README

Main components on the RTB D16

RTB D16 bill of materials (BOM)

43 components, 25 distinct parts.

QtyPartRefs
1
DRV8231ADSGR
IC1
1
NCP730BMT330TBG
IC2
1
AVR-64DA32
U1
1
BC857BDW1
Q1
1
BC847BDW1
Q2
1
SSM6N55NU
Q3
1
Service IF
J1
1
NEM651
J2
1
LED
D1
1
BAS3007ARPPE6327HTSA1
D3
3
22u/4V
C1, C3, C13
1
100u/4V
C2
1
1u/35V
C4
1
1u
C6
1
22u/25V
C7
2
3.3k
R1, R2
1
22
R3
3
2.2k
R4, R5, R6
4
33k
R7, R8, R10, R12
2
2.2
R9, R22
Show 5 more
QtyPartRefs
6
10k
R11, R13, R15, R18, R19, R20
2
dummy
R14, R16
3
220k
R17, R34, R35
1
1k
R21
2
9.1k
R36, R37

RTB D16 design files

The KiCad project lives in the git4dcc/RTB_D16 repository on GitHub; these links point at the commit this page was built from.

RTB D16: common questions

How big is the RTB D16 PCB?

The RTB D16 measures 17 × 10.9 mm, has 6 copper layers and is 0.8 mm thick.

How many components are on the RTB D16?

43 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the RTB D16 design files?

From the git4dcc/RTB_D16 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the RTB D16 design in my own project?

Yes, under the terms of its Apache-2.0 license, which git4dcc chose for the repository.