

Shield
- Size
- 75.2 × 83.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 48
- Pads
- 127
- Tracks, vias
- 170, 19
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 22 Jul 2025
- Updated
- 19 Apr 2026
Overview
Shield is an open-source printed circuit board by BlackJackMC, from the BlackJackMC/LineTracing repository on GitHub. It is a 2-layer board of 75.2 × 83.6 mm with 25 parts on 48 nets, routed with 170 tracks and 19 vias.
It is built around the MP1584EN, BZT52C5V1 and IRLML6402TRPBF, with the SMAJ5.0A, SMBJ12CA and SS34 among its other parts. Its parts include 11 capacitors, 4 diodes, 4 connectors, 3 ICs and 1 resistor. It belongs with the ESP32 boards of this library.
Main components
6MP1584EN
SOIC-8-EP-20℃~+85℃ 1 100kHz~1.5MHz 4.5V~28V Adjustable Buck Buck Built-in SOIC-8-EP DC-DC Converters ROHSMonolithic Power SystemsDC-DC ConvertersBZT52C5V1
SOD-1231 Independent 130Ω 2uA 4.85V~5.36V 5.1V 500mW SOD-123 Zener Diodes ROHSMDDZener DiodesIRLML6402TRPBF
SOT-23-55℃~+150℃ 1 P-Channel 1.7W 190pF 1V 20V 290pF 4.1A 7.8nC@4.5V 740pF 75mΩ@2.5V SOT-23 MOSFETs ROHSTECH PUBLICMOSFETsSMAJ5.0A
DO-214AC(SMA)-65℃~+150℃ 400W@10/1000us 43.5A 5V 7V 800uA 9.2V TVS Unidirectional DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHSMDDESD And Surge Protection (TVS/ESD)SMBJ12CA
SMB-65℃~+150℃ 12V 14.7V 19.9V 1uA 30.2A@10/1000us 390pF 600W@10/1000us TVS SMB ESD and Surge Protection (TVS/ESD) ROHS晶导微电子ESD And Surge Protection (TVS/ESD)SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4, C5, C6, C7, C8, C9, C10, C11 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 10uF | Capacitor_SMD:CP_Elec_4x5.4 | C3 |
| 1 | 2200uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C1 |
| 1 | BZT52C5V1 | Diode_SMD:D_SOD-123 | D1 |
| 1 | Battery | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J4 |
| 1 | IRLML6402TRPBF | Package_TO_SOT_SMD:SOT-23-3 | Q1 |
| 1 | MP1584EN | MP1584EN:MP1584EN | U4 |
| 1 | Motor | Connector_JST:JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J13 |
| 1 | QTR-8A | Connector_JST:JST_XH_B11B-XH-A_1x11_P2.50mm_Vertical | J1 |
| 1 | SMAJ5.0A | Diode_SMD:D_SMB_Handsoldering | D3 |
| 1 | SMBJ12CA | Diode_SMD:D_SMB_Handsoldering | D4 |
| 1 | SS34 | Diode_SMD:D_SMA | D2 |
| 1 | SW_SPST | RF1-1A-DC-2-R-1:SW_RF1-1A-DC-2-R-1 | SW1 |
| 1 | Servo | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J3 |
| 1 | TB6612FNG | TB6612FNG:MODULE_ROB-14450 | U3 |
| 1 | WeAct-ESP32-S3-A | WeAct-ESP32-S3-A:WeAct-ESP32-S3-A | U1 |
Questions
How big is the Shield PCB?
It measures 75.2 × 83.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Shield use?
25 parts, built around the MP1584EN, BZT52C5V1, IRLML6402TRPBF and SMAJ5.0A. 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 Shield KiCad files?
From the BlackJackMC/LineTracing repository on GitHub, at the commit this page was made from: the board is PCB/shield/shield.kicad_pcb and its schematic PCB/shield/shield.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Shield design in my own project?
Its repository states no licence, so its author keeps all rights: ask BlackJackMC before reusing the design.
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