4 layers35 × 20 mm
Blixten
Alli-Ekundayo/scpt-rl
SCPT-RL trains a cross-attention transformer policy to place PCB components sequentially on a discrete grid. Training has two phases:
60 partsMIT
4 layers58 × 18 mm
USB Power monitor
- Size
- 58 × 18 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 72
- Nets
- 86
- Pads
- 309
- Tracks, vias
- 815, 161
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 4 Sep 2018
- Updated
- 15 Jan 2019
Overview
Upm is an open-source printed circuit board by jonasblixt, from the jonasblixt/upm repository on GitHub. It is a 4-layer board of 58 × 18 mm with 72 parts on 86 nets, routed with 815 tracks and 161 vias.
It is built around the ATSAMD21E15B-AU, MIC23150-SYMT-TR and USBLC6-4, with the PAC1934-I/JQ, USB2512B/M2 and PUMH13 among its other parts. Its parts include 31 capacitors, 23 resistors, 8 ICs, 4 connectors and 2 transistors. It belongs with the SAM D and SAM boards of this library.
Main components
11
ATSAMD21E15B-AU
TQFP-32(7x7)-40℃~+85℃ 1.62V~3.6V 10bit 12bit 26 32 Bit 32KB 48MHz 4KB ARM Cortex-M0+ Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MIC23150-SYMT-TR
TDFN-8(2x2)-40℃~+125℃@(TJ) 1 2.7V~5.5V 2A 3.3V 4MHz Buck Buck Built-in Fixed Yes TDFN-8(2x2) DC-DC Converters ROHSMicrochip TechnologyDC-DC ConvertersUSBLC6-4
UncategorisedSTMicroelectronics
PAC1934-I/JQ
UQFN-16(4x4)UQFN-16(4x4) Supervisor and Reset ICs ROHSMicrochip TechnologyUncategorised
USB2512B/M2
UQFN-36-EP(6x6)0℃~+85℃ 2 3.3V Hub I2C、SMBus USB 2.0 UQFN-36-EP(6x6) USB HUB Controllers ROHSMicrochip TechnologyUSB HUB Controllers
PUMH13
SOT-363-6-65℃~+150℃ 1.3V 100 100mA 100mV 100nA 12 2 NPN (Pre-Biased) 230MHz 300mW 4.7kΩ 500mV 50V 5V NPN SOT-363 Digital Transistors ROHSNexperiaDigital TransistorsDX4R005JJ2R1800
插件-30℃~+80℃ 1 30V 500mA、1.8A 5P Black Female Micro-B USB 2.0 插件 USB Connectors ROHSJAE ElectronicsUSB Connectors
FTSH-105-01-F-DV-K
SMD,P=1.27mm-55℃~+125℃ 1.27mm 10P 2 2x5P 3.05mm 3.4A Black Gold Phosphor bronze Pin Header Surface Mount,Vertical SMD,P=1.27mm Pin Headers ROHSSamtecPin Headers
NX2520SA-16.000000MHZ
SMD2520-4P-10℃~+60℃ 10pF 16MHz 80Ω ±10ppm ±10ppm SMD2520-4P Crystals ROHSNDKCrystalsNX2520SA-24.000000MHZ
SMD2520-4P-10℃~+70℃ 10pF 24MHz 60Ω ±10ppm ±10ppm SMD2520-4P Crystals ROHSNDKCrystalsTFM-105-02-S-D-WT
SMD-10SMD-10 Connector Accessories ROHSSamtecConnector Accessories
README
README.mdUPM - USB Power Monitor
This device monitors current and voltage for USB powered devices.
Hardware
Assembled PCB
The PCB is a four layer board, manufactured by OSH Park. The boards can be ordered here
Schematics, layout and BOM can be found here
System description
The device has a built in, two port, USB hub. One of the down stream ports connects to the USB A connector and the other down stream port is connected to the microcontroller.
An integrade analog frontend that contains a 16 bit ADC and differential amplifier measures the voltage and current of the down stream VBUS supply. Three auxillary diff inputs are available on a pin header.
It is possible to control the output VBUS with the on board power switch, which also has built in short circuit protection. Three auxillary, open collector, outputs are available on pin header.
Ncurses TUI
The ncurses based TUI, displaying voltage, current and energy usage. Outputs can be controled from the TUI:
- A/a VBUS on/off
- S/s out1 on/off
- D/d out2 on/off
- F/f out3 on/off
- r Reset energy counters
Intended usage
This project came from a need to remotley monitor and power cycle USB powered devices.
Future improvements
- Add domain/tcp socket listener for remote control
- Support for logging
Parts
72| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | C0402_1u_6.3Vdc_X7R | C0402 | C4, C5, C7, C8, C9, C10, C11, C12, C13, C14, C15, C17, C19, C20, C22, C27 |
| 11 | R0402_46k40 | R0402 | R2, R3, R4, R6, R7, R8, R11, R13, R14, R15, R23 |
| 4 | C0402_12p_25Vdc_C0G_2 | C0402 | C1, C2, C24, C25 |
| 4 | C0603_10u_10Vdc_X7R | C0603 | C16, C21, C23, C26 |
| 3 | C0402_100n_25Vdc_X7R | C0402 | C3, C6, C18 |
| 3 | C0603_22n_100Vdc_X7R | C0603 | C29, C30, C31 |
| 3 | R0603_51R | R0603 | R18, R19, R20 |
| 2 | PUMH13 | footprints:SOT-363_SC-70-6 | Q1, Q2 |
| 2 | R0402_100R | R0402 | R1, R12 |
| 2 | R0402_2k20 | R0402 | R9, R10 |
| 2 | USBLC6-4 | SOT-23-6 | U7, U8 |
| 1 | ATSAMD21E15B | footprints:QFN-32-1EP_5x5mm_Pitch0.5mm | U1 |
| 1 | BL0603_BLM18BB121SN1D | L0603 | FB1 |
| 1 | DX4R005JJ2R1800 | USB_Micro-B | J3 |
| 1 | FTSH-105-01-F-DV-K | footprints:FTSH-105-01-F-DV-K | J1 |
| 1 | IHLP1212_1u_1 | IHLP1212 | L1 |
| 1 | LP3470IM5X-3.08_NOPB | footprints:SOT-23-5 | U5 |
| 1 | MIC23150-SYMT | DFN-8_2x2mm_Pitch0.5mm | U2 |
| 1 | NCP380HSNAJAAT1G | footprints:TSOT-23-6 | U6 |
| 1 | NX2520SA-16.000000MHZ | NX2520SA | X2 |
| 1 | NX2520SA-24.000000MHZ | NX2520SA | X1 |
| 1 | PAC1934 | footprints:QFN-16-1EP_4x4mm_Pitch0.65mm | U4 |
| 1 | PCAP_120u_4 | footprints:CP_Elec_6.3x5.8 | C28 |
| 1 | R0402_12k10 | R0402 | R5 |
| 1 | R0402_1k | R0402 | R21 |
| 1 | R0402_21k | R0402 | R16 |
| 1 | R0603_200R | R0603 | R17 |
| 1 | R0805_0R1 | R0805 | R22 |
| 1 | TFM-105-02-S-D-WT | TFM-105-02-S-D-WT | J4 |
| 1 | USB2512B | footprints:QFN-36-1EP_6x6mm_Pitch0.5mm | U3 |
| 1 | USB_A_292303-1 | footprints:USB_A_TH | J2 |
Questions
How big is the Upm PCB?
It measures 58 × 18 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Upm use?
72 parts, built around the ATSAMD21E15B-AU, MIC23150-SYMT-TR, USBLC6-4 and PAC1934-I/JQ. 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 Upm KiCad files?
From the jonasblixt/upm repository on GitHub, at the commit this page was made from: the board is hw/upm.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Upm design in my own project?
Its repository states no licence, so its author keeps all rights: ask jonasblixt before reusing the design.
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