2 layers
2 layers100 × 100 mm
Pcb a thon
daniel-3663/pcb-a-thon- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 40
- Nets
- 58
- Pads
- 215
- Tracks, vias
- 521, 69
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 15 Feb 2025
- Updated
- 15 Feb 2025
Overview
Pcb a thon is an open-source printed circuit board by daniel-3663, from the daniel-3663/pcb-a-thon repository on GitHub. It is a 2-layer board of 100 × 100 mm with 40 parts on 58 nets, routed with 521 tracks and 69 vias.
It is built around the CH340C, ESP32-WROOM-32 and LM2576S-3.3, with the LM2576S-5.0, TJA1051TK/3/1 and BSS138 among its other parts. Its parts include 13 connectors, 11 capacitors, 5 ICs, 3 resistors and 2 diodes. It belongs with the ESP32 boards of this library.
Main components
6
CH340C
SOP-16-20℃~+70℃ 2Mbps 3.3V、5V 50uA 7mA Transceiver USB 2.0 SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
LM2576S-3.3
TO-263-5LTO-263-5L DC-DC Converters ROHSTDSEMICDC-DC ConvertersLM2576S-5.0
TO-263-5-40℃~+125℃@(TJ) 1 3A 4V~40V 52kHz 5V 5mA Buck Built-in Fixed No Step-down type TO-263-5 DC-DC Converters ROHSSlkorDC-DC Converters
TJA1051TK/3/1
-UncategorisedNXP Semiconductors
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
Parts
40| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | Conn_01x03_Pin | Connector_JST:JST_VH_B3P-VH-FB-B_1x03_P3.96mm_Vertical | J4, J5, J6, J7, J8, J9, J10, J11, J12 |
| 3 | 100nF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C9, C10, C11 |
| 2 | 100µF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C3, C5 |
| 2 | 1N5822 | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | D1, D2 |
| 2 | 1nF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C7, C8 |
| 2 | 330µF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C4, C6 |
| 2 | 330µH | Inductor_SMD:L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | L1, L2 |
| 2 | 470 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | Conn_01x02_Pin | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J1, J3 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_TL3342 | SW1, SW2 |
| 1 | 0.1uF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2 |
| 1 | 10uF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1 |
| 1 | 120 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | Conn_01x04_Pin | Connector_JST:JST_VH_B4P-VH-FB-B_1x04_P3.96mm_Vertical | J13 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32D | U1 |
| 1 | LM2576S-3.3 | Package_TO_SOT_SMD:TO-263-5_TabPin3 | U5 |
| 1 | LM2576S-5 | Package_TO_SOT_SMD:TO-263-5_TabPin3 | U4 |
| 1 | TJA1051TK-3 | Package_DFN_QFN:DFN-8-1EP_3x3mm_P0.65mm_EP1.55x2.4mm | U3 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Amphenol_10104110_Horizontal | J2 |
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Questions
How big is the Pcb a thon PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pcb a thon use?
40 parts, built around the CH340C, ESP32-WROOM-32, LM2576S-3.3 and LM2576S-5.0. 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 Pcb a thon KiCad files?
From the daniel-3663/pcb-a-thon repository on GitHub, at the commit this page was made from: the board is PCB-a-thon.kicad_pcb and its schematic PCB-a-thon.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pcb a thon design in my own project?
Its repository states no licence, so its author keeps all rights: ask daniel-3663 before reusing the design.