2 layers42.5 × 17 mm
Head hub
TheColonelYoung/3D_PREBO
3D printer expansion board. Add more fan controllers, TMC2130 wiring support, induction probe voltage convertor, LED lighting (supports WS1812).
11 partsCC-BY-SA-4.0
2 layers102 × 84 mm
3D PrEBo
TheColonelYoung/3D_PREBO3D printer expansion board. Add more fan controllers, TMC2130 wiring support, induction probe voltage convertor, LED lighting (supports WS1812).
- Size
- 102 × 84 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 79
- Nets
- 58
- Pads
- 243
- Tracks, vias
- 683, 13
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 4 Feb 2019
- Updated
- 11 Feb 2019
Overview
3D PrEBo is an open-source printed circuit board by TheColonelYoung, from the TheColonelYoung/3D_PREBO repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 102 × 84 mm with 79 parts on 58 nets, routed with 683 tracks and 13 vias.
It is built around the L5973D, IRLML2502 and PMEG3030EP, with the 1SMB5925BT3G, AOD4189 and RJ45 among its other parts. Its parts include 15 resistors, 15 connectors, 14 capacitors, 10 transistors and 5 diodes. It belongs with the sensors and measurement and robots and motor control boards of this library.
Main components
6
L5973D
SOIC-8-EP-40℃~+150℃@(TJ) 1 1.235V~35V 2.5A 250kHz 4V~36V Adjustable Buck Buck Built-in No SOIC-8-EP DC-DC Converters ROHSSTMicroelectronicsAC-DC Controllers & Regulators
IRLML2502
SOT-23-40℃~+150℃ 1 N-channel 1.25W 20V 4.2A 50mΩ@2.5V 600mV 66pF 740pF 8nC@10V SOT-23 MOSFETs ROHSGuangdong HottechMOSFETs
PMEG3030EP
SOD-1281 Independent 30V 360mV@3A 3A 50A 5mA@30V SOD-128 Schottky Diodes ROHSNexperiaSchottky Diodes
1SMB5925BT3G
SMBSMB Zener Diodes ROHSZhengxinZener Diodes
AOD4189
TO-252(DPAK)-55℃~+175℃ 1 P-Channel 1.7V 1.87nF 155pF 22mΩ 40A 40V 41nC@10V 62.5W TO-252(DPAK) MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
RJ45
TH-12PTH-12P SMT ROHSJLCPCB AssemblyUncategorised
README
README.md3D_PrEBo
This project is 3D printer expansion board. Add more fan controllers, TMC2130 wiring support, induction probe voltage convertor, LED lighting (supports WS1812).
This board was designed for best compatibility with MKS GEN L, but is compatible for example with BIGTREETECH SKR 1.1.
Board features
-
Stepdown regulator - from up to 35V to 12V
- can by bypassed by jumper, if you have 12V power supply by solder jumper
- minimal volatage for regulator is 15V
- based on L5973D (up to 2A)
-
Advanced fan controll
- you can controll up to 8 fans
- 1 fan is 4 pin, others are 3 pin with additional transistor
- speed input for fan is from motherboard (EXP_X connectors)
- one of fans can be used as regulated fan for hotend cooling (temperature dependent cooling)
- Fan voltage can be selected from , Vin, 12V, 5V via solder bridges
- Expected fan distibution: 1x Motherboard fan, 2x part cooling fans, 1x hotend cooling fan, 4 fans for other usage (maybe motors)
- input signal for fans can be chain, one signal can drive more fans
-
Probe connector
- serve as input from inductive probe
- Voltage divider, designed as 24V -> 5V
-
TMC2130 wiring
- helps to keep wiring simple and clean
- holes in board for simple wiring and better airflow around cables
- 4 pin connectors
- if motherboard didn't have enough pins, in Marlin 2.0, can be TMC2130 enabled via SPI, so EN pin for driver can be used as Chip select fro SPI
-
LED light
- means as print part lighting
- selectable voltage (5V or 12 V) by solder jumper
-
5 in one connector
- Onboard RJ-45 connectors and UTP cable (8-wires)
- As HUB is used second board mounted on printer head
- Fans, Led outputs and both outputs (6in1 and separe)
- Pins:
- 1x GND, 1x 12V,
- 3x FAN
- 1x X Endstop (or 5V Z probe if on hat isn't X endstop)
- 2x LED lights
Parts
79| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100k | Resistor_SMD:R_0603_1608Metric | R2, R3, R6, R7, R8, R9, R10, R11, R12, R13, R14 |
| 9 | IRLML2502 | Package_TO_SOT_SMD:TSOT-23 | Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10 |
| 8 | 100n | Capacitor_SMD:C_0603_1608Metric | C7, C8, C9, C10, C11, C12, C13, C14 |
| 7 | Fan_3pin | Connector_JST:JST_XH_S03B-XH-A_1x03_P2.50mm_Horizontal | M1, M2, M3, M4, M5, M6, M7 |
| 3 | PMEG3030EP | Diode_SMD:D_SMB | D1, D2, D4 |
| 2 | 4.7uF (X7R) | Capacitor_SMD:C_0805_2012Metric | C5, C6 |
| 1 | 10k | Potentiometer_SMD:Potentiometer_Bourns_3214J_Horizontal | RV1 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 10uF 35V | Capacitor_SMD:C_2816_7142Metric_Pad3.20x4.45mm_HandSolder | C2 |
| 1 | 12V | TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP3 |
| 1 | 15uH | Inductor_SMD:L_Neosid_Ms85 | L1 |
| 1 | 1SMB5925BT3G | Diode_SMD:D_SMB | D3 |
| 1 | 220nF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 22nF | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 24V | TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP1 |
| 1 | 27k | Resistor_SMD:R_0603_1608Metric | R15 |
| 1 | 300uF 16V | Capacitor_SMD:CP_Elec_8x10.5 | C4 |
| 1 | 4.7k | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 5V | TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP4 |
| 1 | 82k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | AOD4189 | Package_TO_SOT_SMD:TO-252-2 | Q1 |
| 1 | D_TVS_ALT | Diode_SMD:D_SMA | D5 |
| 1 | E0 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J7 |
| 1 | E1 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J8 |
| 1 | FAN&LED_INPUT | Connector_IDC:IDC-Header_2x05_P2.54mm_Horizontal | J9 |
| 1 | Fan_4pin | Connector_JST:JST_XH_S04B-XH-A_1x04_P2.50mm_Horizontal | M8 |
| 1 | Fan_interconnection_header | Connector_PinHeader_2.54mm:PinHeader_1x14_P2.54mm_Vertical | J13 |
| 1 | L5973D | Package_SO:HTSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.4x3.2mm | U1 |
| 1 | LED | Connector_JST:JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J1 |
| 1 | LED_VCC_select | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | LOGO | TCY_logo:#QR_3D_PREBO | G*** |
| 1 | LOGO | TCY_logo:TCY_LOGO_13x6mm | G*** |
| 1 | NCP1117-5.0_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | Power_out | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-6_1x06_P5.00mm_Horizontal | J11 |
| 1 | RJ45 | Connector_RJ:RJ45_Amphenol_54602-x08_Horizontal | J3 |
| 1 | TMC_INPUT | Connector_IDC:IDC-Header_2x05_P2.54mm_Horizontal | J10 |
| 1 | VIN_select | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | V_IN | TestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mm | TP2 |
| 1 | V_IN | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J2 |
| 1 | X | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J4 |
| 1 | X_MIN | Connector_JST:JST_XH_S03B-XH-A-1_1x03_P2.50mm_Horizontal | J14 |
| 1 | Y | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J5 |
| 1 | Z | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J6 |
| 1 | Z_MAX | Connector_JST:JST_XH_S03B-XH-A-1_1x03_P2.50mm_Horizontal | J15 |
| 1 | Z_Probe | Connector_JST:JST_XH_B04B-XH-A_1x04_P2.50mm_Vertical | J12 |
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Questions
How big is the 3D PrEBo PCB?
It measures 102 × 84 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 3D PrEBo use?
79 parts, built around the L5973D, IRLML2502, PMEG3030EP and 1SMB5925BT3G. 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 3D PrEBo KiCad files?
From the TheColonelYoung/3D_PREBO repository on GitHub, at the commit this page was made from: the board is Expansion_board/3D_PrEBo.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the 3D PrEBo design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).