4 layers101.6 × 76.2 mm
Pco2-sensor board
NOAA-PMEL/ASVCO2
Open Source Repository for the Autonomous Surface Vehicle CO2 (ASVCO2) gen2 system
154 parts
4 layers76.2 × 44.5 mm
Flow controller
NOAA-PMEL/ASVCO2Open Source Repository for the Autonomous Surface Vehicle CO2 (ASVCO2) gen2 system
- Size
- 76.2 × 44.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 59
- Nets
- 144
- Pads
- 337
- Tracks, vias
- 496, 186
- Pours
- 354
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 27 Jul 2023
- Updated
- 18 Sep 2025
Overview
Flow controller is an open-source printed circuit board by NOAA-PMEL, from the NOAA-PMEL/ASVCO2 repository on GitHub. It is a 4-layer board of 76.2 × 44.5 mm with 59 parts on 144 nets, routed with 496 tracks and 186 vias.
It is built around the MSP430FR5994IPNR, MAX3224EETP+ and DRV8823QDCARQ1, with the AQY282S, LTST-C195KGJRKT and MEM2012F10R0 among its other parts. Its parts include 27 capacitors, 12 resistors, 9 ICs, 9 connectors and 1 diode. It belongs with the MSP430 boards of this library.
Main components
12
MSP430FR5994IPNR
LQFP-80(12x12)-40℃~+85℃ 1.8V~3.6V 12bit 16 Bit 16MHz 256KB 68 8KB Built-in+External FRAM MSP430 CPUXV2 LQFP-80(12x12) Microcontrollers (MCU/MPU/SOC) ROHSTexas InstrumentsMicrocontrollers (MCU/MPU/SOC)
MAX3224EETP+
TQFN-20-EP(5x5)-40℃~+85℃ 2 2 250Kbps 3V~5.5V Low-power mode、Wake-up function Transceiver TQFN-20-EP(5x5) RS232 ICs ROHSMaxim Integrated (Analog Devices)RS232 ICs
DRV8823QDCARQ1
HTSSOP-48-EP-6.1mm-40℃~+125℃ 1.5A 4 500mΩ 8V~32V Bipolar Driver Yes HTSSOP-48-EP-6.1mm Stepper Motor Driver ROHSTexas InstrumentsBrushed DC Motor Drivers
AQY282S
SOP-4-2.54mm-40℃~+85℃ 1.25V 1.5kV 1000MΩ 2.5Ω 350mW 500mA 500us 50mA 60V 900us AC,DC One normally open: 2A (SPST-NO) SOP-4-2.54mm Solid State Relays (MOS Output) ROHSPanasonicSolid State Relays (MOS Output)
LTST-C195KGJRKT
SMD-4P,1.6x1.5mm-55℃~+85℃ 130° 20mA 2V、2V 35mcd、45mcd 571nm、631nm 574nm、639nm 75mW Discrete Diode Red, Yellow Green Water Clear SMD-4P,1.6x1.5mm LED Indication - Discrete ROHSLite-OnLED Indication - Discrete
MEM2012F10R0
SMD-3P,1.2x2mm-40℃~+85℃ 1 10MHz 12V 20dB@200MHz~2GHz 3 No SMD-3P,1.2x2mm EMI/RFI Filters (LC, RC Networks) ROHSTDKEMI/RFI Filters (LC, RC Networks)
C0603X104K5RAC7867
0603100nF 50V X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSKEMETMultilayer Ceramic Capacitors MLCC - SMD/SMT
RL0603FR-070R5L
0603100mW 500mΩ Thick Film Resistor ±1% ±800ppm/℃ 0603 Chip Resistor - Surface Mount ROHSYAGEOCurrent Sense Resistors / Shunt ResistorsURZ1H331MHD1TO
插件,D12.5xL14mm-55℃~+105℃ 1000hrs@105℃ 12.5mm 14mm 330uF 370mA@120Hz 50V 5mm ±20% 插件,D12.5xL14mm Aluminum Electrolytic Capacitors - Leaded ROHSNichiconAluminum Electrolytic Capacitors - LeadedCGA3E3X7R1H474K080AE
0603470nF 50V X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSTDKMultilayer Ceramic Capacitors MLCC - SMD/SMTESR03EZPJ121
0603-55℃~+155℃ 120Ω 150V 250mW Thick Film Resistor ±200ppm/℃ ±5% 0603 Chip Resistor - Surface Mount ROHSROHM SemiconductorChip Resistor - Surface MountCGA3E3X7R1H224K080AB
0603220nF 50V X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSTDKMultilayer Ceramic Capacitors MLCC - SMD/SMT
README
FlowController/Electrical/README.mdEDD-flow-controller-kicad
KiCad port of ASVCO2 Flow Control board
Parts
59| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C5, C14, C15, C19, C20, C22, C23, C24, C25, C26 |
| 6 | 0.5 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4, R5, R6, R8, R9 |
| 4 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C8, C9, C10 |
| 2 | 0.01uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C13, C18 |
| 2 | 0.33mF | Capacitor_THT:CP_Radial_D12.5mm_P5.00mm | C16, C21 |
| 2 | 0.47uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C12, C17 |
| 2 | 120 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7, R10 |
| 2 | DRV8823QDCARQ1 | asvco2-board:HTSSOP48 | U5, U6 |
| 1 | 0.22uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C27 |
| 1 | 10uF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C6 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11 |
| 1 | 226k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 3220-10-0100-00 | asvco2-board:3220-10-0100-00 | J7 |
| 1 | 430450402 | asvco2-board:430450402 | J9 |
| 1 | 470R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 1 | 47k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 47uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11 |
| 1 | 47uF | Capacitor_SMD:C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C7 |
| 1 | AQY282S | asvco2-board:AQY282S | U9 |
| 1 | LT3970EMS-3.3-PBF | asvco2-board:LT3970EMS-3.3-PBF | U2 |
| 1 | LTST-C195KGJRKT | asvco2-board:LTST-C195KGJRKT | U7 |
| 1 | MAX3224EETP+ | asvco2-board:MAX3224EETP+ | U8 |
| 1 | MEM2012F10R0 | asvco2-board:MEM2012F10R0 | U3 |
| 1 | MSP430FR5994IPNR | asvco2-board:MSP430FR5994IPNR | U1 |
| 1 | PUMP | asvco2-board:430450202 | J8 |
| 1 | S1B-F-2 | Diode_SMD:D_SMA_Handsoldering | D1 |
| 1 | SG-210STF 7.3728ML | asvco2-board:SG-210STF 7.3728ML | U4 |
| 1 | VALVE 1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | VALVE 2 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | VALVE 3 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | VALVE 4 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | VALVE 5 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | VALVE 6 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | VLCF4028T-220MR72-2 | asvco2-board:VLCF4028T-220MR72-2 | L1 |
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Questions
How big is the Flow controller PCB?
It measures 76.2 × 44.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Flow controller use?
59 parts, built around the MSP430FR5994IPNR, MAX3224EETP+, DRV8823QDCARQ1 and AQY282S. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Flow controller KiCad files?
From the NOAA-PMEL/ASVCO2 repository on GitHub, at the commit this page was made from: the board is FlowController/Electrical/flow-controller.kicad_pcb and its schematic FlowController/Electrical/DRV8823-A.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Flow controller design in my own project?
Its repository states no licence, so its author keeps all rights: ask NOAA-PMEL before reusing the design.