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Valve controller

AllenNeuralDynamics·harp.device.valve-controller·hardware/board/harp.device.valve-controller/valve-controller.kicad_pcb

Valve controller PCB layout, top view — open source RP2040/RP2350 board by AllenNeuralDynamics

About the Valve controller PCB

Valve controller is an open source RP2040/RP2350 PCB design by AllenNeuralDynamics, published on GitHub. It is a 4-layer board measuring 70 × 168 mm, with 212 components from 43 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the MIC4127, TPD2EUSB30, ADUM4160, W25Q16JVUXIQ and rt6150b-33gqw. By type, the board carries 69 resistors, 45 capacitors, 37 diodes, 22 connectors, 19 transistors and 15 ICs.

From the project

0368: a 16-channel valve controller

These schematic and layout designs have been vetted on prior devices.

High Level Specs: USBC connector (ESD protected with TVS diode). Audio jack connector for Harp synchronization signal (ESD protected with TVS diode).

Component Specs: aqueous washable commonly available components (no end-of-life or last-time-buy)

Layout Specs: 4-layer PCB signal (top), ground, power, signal (bottom) 6-mil traces, 6-mil spacing (0.1524mm) no microvias smallest resistor/capacitor sizes are 0402. Footprints default to "non-hand-soldering"-style.

Main components on the Valve controller

MIC4127TPD2EUSB30ADUM4160RP2040W25Q16JVUXIQrt6150b-33gqwLMR51430

Valve controller bill of materials (BOM)

212 components, 43 distinct parts.

QtyPartRefs
8
MIC4127
Microchip Technology
U1, U6, U8, U10, U11, U12, U13, U14
1
TPD2EUSB30
Texas Instruments
U2
1
ADUM4160
Analog Devices Inc.
U3
1
RP2040
Raspberry Pi
U4
1
W25Q16JVUXIQ
Winbond Electronics
U5
1
rt6150b-33gqw
Richtek USA Inc.
U7
1
~
Analog Devices Inc./Maxim Integrated
U9
1
LMR51430
Texas Instruments
U15
16
CSD17570Q5B
Texas Instruments
Q1, Q3, Q4, Q5, Q6, Q7, Q8, Q9 +8
1
GSFD4005
Good-Ark Semiconductor
Q2
1
SUD19P06-60L-E3
Vishay Siliconix
Q18
1
2N7002
onsemi
Q20
1
ECS-TXO-2016
ECS Inc.
X1
16
Screw_Terminal_01x02
Phoenix Contact
J1, J3, J6, J7, J9, J10, J11, J12 +8
2
Conn_01x03_Male
n/a
J2, J21
1
AudioJack3
CUI Devices
J4
1
USB_C_Receptacle_USB2.0
JAE Electronics
J5
1
Screw_Terminal_01x02
Phoenix Contact
J8
1
Conn_02x10_Odd_Even
Molex
J26
1
Polyfuse
Littelfuse Inc.
F1
Show 23 more
QtyPartRefs
1
~
Würth Elektronik
SW1
18
LED
Kingbright
D1, D2, D22, D23, D24, D25, D26, D27 +10
2
D_TVS
Nexperia USA Inc.
D3, D4
16
1N4007FL
SMC Diode Solutions
D5, D6, D7, D8, D10, D11, D12, D13 +8
1
BZV55B15
Nexperia USA Inc.
D9
1
6.8uH
Bourns Inc.
L1
1
2.2uH
Abracon LLC
L3
25
100nF
Murata Electronics
C1, C2, C3, C5, C6, C7, C12, C13 +17
1
10nF
Yageo
C4
12
1uF
Murata Electronics
C8, C9, C10, C24, C26, C38, C39, C40 +4
3
10uF
Cal-Chip Electronics, Inc.
C11, C27, C50
4
22uF
Samsung Electro-Mechanics
C28, C46, C47, C48
1
1K
Yageo
R1
2
5K1
Yageo
R2, R3
4
24
Yageo
R4, R5, R6, R7
16
10
Vishay Dale
R8, R14, R17, R18, R21, R22, R24, R25 +8
18
10K
Stackpole Electronics Inc
R9, R34, R35, R36, R37, R38, R39, R40 +10
2
27
Yageo
R10, R11
2
680
Yageo
R12, R13
6
100K
Yageo
R15, R16, R19, R23, R50, R52
1
39K2
Stackpole Electronics Inc
R20
1
13K7
Yageo
R51
16
1K6
Yageo
R53, R54, R55, R56, R57, R58, R59, R60 +8

Valve controller design files

The KiCad project lives in the AllenNeuralDynamics/harp.device.valve-controller repository on GitHub; these links point at the commit this page was built from.

Valve controller: common questions

What microcontroller does the Valve controller use?

The Valve controller is built around the RP2040, from the RP2040/RP2350 family.

How big is the Valve controller PCB?

The Valve controller measures 70 × 168 mm, has 4 copper layers and is 1.567 mm thick.

How many components are on the Valve controller?

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

Where can I download the Valve controller design files?

From the AllenNeuralDynamics/harp.device.valve-controller repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Valve controller design in my own project?

The repository has no license, so all rights stay with AllenNeuralDynamics. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Valve controller 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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