2 layers83.9 × 61.3 mm
Phase B PCB Prototype
zbayler/ENCE_3221_Class2023
Embedded Systems kitchen timer class project. From designing an Arduino shield to a standalone PCB and all the code required.
53 parts
2 layers90 × 62.1 mm
PhaseBsheild
ebur644/PhaseBEmbeddedfinal- Size
- 90 × 62.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 53
- Nets
- 70
- Pads
- 203
- Tracks, vias
- 519, 102
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 1 May 2023
- Updated
- 5 May 2023
Overview
PhaseBsheild is an open-source printed circuit board by ebur644, from the ebur644/PhaseBEmbeddedfinal repository on GitHub. It is a 2-layer board of 90 × 62.1 mm with 53 parts on 70 nets, routed with 519 tracks and 102 vias.
It is built around the ATMEGA32U4-AU, 74HC595 and LP2985-33DBV, with the USBLC6-2SC6, PTS125SM43SMTR21M LFS and PTS526 SM08 SMTR2 LFS among its other parts. Its parts include 19 resistors, 14 capacitors, 5 ICs, 3 diodes and 3 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
6
ATMEGA32U4-AU
QFP-44(10x10)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH QFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
74HC595
SOP-16-40℃~+85℃ 1 100ns@5V,50pF 10MHz 2V~6V 74HC 8 Serial-to-Serial or Parallel Tri-State SOP-16 Shift Registers ROHSGRShift Registers
LP2985-33DBV
SOT-23-5-40℃~+125℃@(Tj) 1 150mA 16V 3.3V 30uVrms 45dB@(1kHz) 575mV@(150mA) 850uA Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown、Enable control、Noise bypass terminal Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)PTS125SM43SMTR21M LFS
SMD,12x12mm-40℃~+85℃ 1.8N 12V 12mm 12mm 4.3mm 50mA Gull Wing Round Button SPST-NO Surface Mount,Vertical Without Bracket SMD,12x12mm Tactile Switches ROHSC&KTactile SwitchesPTS526 SM08 SMTR2 LFS
SMD-20℃~+70℃ 1.6N 12V 50mA Gull Wing IP40 SPST-NO Surface Mount,Vertical SMD Tactile Switches ROHSC&KTactile Switches
Parts
53| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100 | Resistor_SMD:R_0805_2012Metric | R3, R4, R5, R6, R7, R8, R9, R10 |
| 7 | .1uF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C7, C8, C9, C11 |
| 6 | 10k | Resistor_SMD:R_0603_1608Metric | R11, R12, R12, R13, R17, R21 |
| 3 | LED | LED_SMD:LED_0805_2012Metric | D1, D2, D3 |
| 3 | MountingHole | MountingHole:MountingHole_3mm | H1, H2, H3 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric | R15, R16 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric | C10, C13 |
| 2 | 22pF | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | 330 | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | PTS125SM43SMTR21M_LFS | PTS125_SMD_Button:PTS125_SMD_Button | S1, S2 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric | C12 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric | C6 |
| 1 | 16kHz | Crystal:Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y1 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R14 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C14 |
| 1 | 74HC595 | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U1 |
| 1 | ATmega32U4-A | Package_QFP:TQFP-44_10x10mm_P0.8mm | U3 |
| 1 | AVR-ISP-6 | Connector_PinSocket_2.54mm:PinSocket_2x03_P2.54mm_Vertical | J3 |
| 1 | CA56-12EWA | Display_7Segment:CA56-12EWA | U2 |
| 1 | ESP_CONN | Connector_PinSocket_2.54mm:PinSocket_2x04_P2.54mm_Vertical | J2 |
| 1 | LP2985-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U5 |
| 1 | PTCSMP | Fuse:Fuse_1812_4532Metric | F1 |
| 1 | PTS526_SM08_SMTR2_LFS | PTS526_SMD_Button:PTS526_SMD_Button | S3 |
| 1 | Speaker | Buzzer_Beeper:Buzzer_12x9.5RM7.6 | LS1 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U4 |
| 1 | USB_B_Mini | Connector_USB:USB_Mini-B_Lumberg_2486_01_Horizontal | J1 |
Questions
How big is the PhaseBsheild PCB?
It measures 90 × 62.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PhaseBsheild use?
53 parts, built around the ATMEGA32U4-AU, 74HC595, LP2985-33DBV and USBLC6-2SC6. 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 PhaseBsheild KiCad files?
From the ebur644/PhaseBEmbeddedfinal repository on GitHub, at the commit this page was made from: the board is PhaseBsheild.kicad_pcb and its schematic PhaseBsheild.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PhaseBsheild design in my own project?
Its repository states no licence, so its author keeps all rights: ask ebur644 before reusing the design.
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