4 layers161 × 100 mm
2 layers65 × 45 mm
NMEA Multiplexer v2
maxnil/NMEA_Multiplexer_v2_PCBNMEA Multiplexer v2.0 PCB
- Size
- 65 × 45 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 116
- Pads
- 336
- Tracks, vias
- 765, 135
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 17 Apr 2017
- Updated
- 8 Aug 2021
Overview
NMEA Multiplexer v2 is an open-source printed circuit board by maxnil, from the maxnil/NMEA_Multiplexer_v2_PCB repository on GitHub. It is a 2-layer board of 65 × 45 mm with 94 parts on 116 nets, routed with 765 tracks and 135 vias.
It is built around the ATSAMG55J19A-AU and LF33ABDT-TR. Its parts include 29 capacitors, 29 resistors, 19 diodes, 9 connectors and 5 ICs. It belongs with the SAM D and SAM boards of this library.
Main components
2
ATSAMG55J19A-AU
LQFP-64(10x10)-40℃~+85℃ 1.62V~3.6V 120MHz 12bit 176KB 32 Bit 48 512KB ARM Cortex-M4 Built-in FLASH LQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
LF33ABDT-TR
TO-252-2(DPAK)-40℃~+125℃@(Tj) 1 16V 3.3V 350mV@(200mA) 500mA 500uA 50uVrms 80dB@(120Hz) Fixed Over Current Protection、Over Temperature Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdNMEA_Multiplexer_v2_PCB
NMEA Multiplexer v2 PCB
Updated version of the old 2010 NMEA Miltiplexer. This new improved version has support for 5 NMEA interfaces, USB as well as a BlueTooth module.
Firmware for this board is can be found in the https://github.com/maxnil/NMEA_Multiplexer_v2.0_FW repository.
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 23 | 100n | Capacitors_SMD:C_0603 | C1, C2, C10, C12, C13, C15, C16, C17, C18, C19, C20, C21, C22, C24, C26, C27 +7 |
| 19 | 220 | Resistors_SMD:R_0603 | R1, R2, R3, R4, R5, R6, R13, R18, R19, R20, R21, R22, R23, R27, R28, R29 +3 |
| 4 | 100k | Resistors_SMD:R_0603 | R11, R24, R25, R26 |
| 4 | 39 | Resistors_SMD:R_0603 | R10, R12, R16, R17 |
| 2 | 4.7u | Capacitors_SMD:C_0603 | C11, C23 |
| 2 | 5n | Capacitors_SMD:C_0603 | C7, C8 |
| 2 | XR32330 | MaxNil:QFN-24_4x4mm_Pitch0.5mm_NoMask | U2, U3 |
| 1 | 10u | Capacitors_SMD:CP_Elec_4x5.8 | C14 |
| 1 | 12V | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_2pol | J7 |
| 1 | 2.2u | Capacitors_SMD:C_0603 | C25 |
| 1 | 27k | Resistors_SMD:R_0603 | R14 |
| 1 | 32.768k | Crystals:Crystal_SMD_3215-2pin_3.2x1.5mm | Y1 |
| 1 | 47k | Resistors_SMD:R_0603 | R15 |
| 1 | ATSAMG55J19A-AU | Housings_QFP:LQFP-64_10x10mm_Pitch0.5mm | U1 |
| 1 | BT Con (blue) | LEDs:LED_0603 | D8 |
| 1 | DEBUG UART | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J8 |
| 1 | ERASE | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.00mm | JP1 |
| 1 | Err 0 (red) | LEDs:LED_0603 | D18 |
| 1 | Err 1 (red) | LEDs:LED_0603 | D15 |
| 1 | Err 2 (red) | LEDs:LED_0603 | D12 |
| 1 | Err 3 (red) | LEDs:LED_0603 | D2 |
| 1 | Err 4 (red) | LEDs:LED_0603 | D5 |
| 1 | HM-11 | MaxNil:HM-11 | U5 |
| 1 | JTAG | Pin_Headers:Pin_Header_Straight_2x05_Pitch1.27mm_SMD | J9 |
| 1 | LF33ABDT-TR | TO_SOT_Packages_SMD:TO-252-2_Rectifier | U4 |
| 1 | PWR (green) | LEDs:LED_0603 | D7 |
| 1 | Port 1 | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_3pol | J2 |
| 1 | Port 2 | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_3pol | J3 |
| 1 | Port 3 | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_3pol | J4 |
| 1 | Port 4 | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_3pol | J5 |
| 1 | Port 5 | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_PT-3.5mm_3pol | J6 |
| 1 | Reset | Buttons_Switches_SMD:SW_SPST_EVQP2 | SW1 |
| 1 | Rx 0 (green) | LEDs:LED_0603 | D19 |
| 1 | Rx 1 (green) | LEDs:LED_0603 | D16 |
| 1 | Rx 2 (green) | LEDs:LED_0603 | D13 |
| 1 | Rx 3 (green) | LEDs:LED_0603 | D3 |
| 1 | Rx 4 (green) | LEDs:LED_0603 | D6 |
| 1 | Rx BT (green) | LEDs:LED_0603 | D10 |
| 1 | Tx (green) | LEDs:LED_0603 | D11 |
| 1 | Tx 0 (green) | LEDs:LED_0603 | D17 |
| 1 | Tx 1 (green) | LEDs:LED_0603 | D14 |
| 1 | Tx 3 (green) | LEDs:LED_0603 | D1 |
| 1 | Tx 4 (green) | LEDs:LED_0603 | D4 |
| 1 | Tx BT (green) | LEDs:LED_0603 | D9 |
| 1 | USB | MaxNil:USB_Mini-B_UX60-MB-5ST | J1 |
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Questions
How big is the NMEA Multiplexer v2 PCB?
It measures 65 × 45 mm and has 2 copper layers, 1.6 mm thick.
What parts does the NMEA Multiplexer v2 use?
94 parts, built around the ATSAMG55J19A-AU and LF33ABDT-TR. 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 NMEA Multiplexer v2 KiCad files?
From the maxnil/NMEA_Multiplexer_v2_PCB repository on GitHub, at the commit this page was made from: the board is NMEA_Multiplexer_v2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the NMEA Multiplexer v2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask maxnil before reusing the design.