4 layers100 × 100 mm
4 layers65 × 85 mm
Main SMD Controller
EosinY/ElectronicLoad-AnalogController- Size
- 65 × 85 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 67
- Nets
- 43
- Pads
- 199
- Tracks, vias
- 279, 162
- Pours
- 51
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 12 Mar 2025
- Updated
- 9 Aug 2026
Overview
Main SMD Controller is an open-source printed circuit board by EosinY, from the EosinY/ElectronicLoad-AnalogController repository on GitHub. It is a 4-layer board of 65 × 85 mm with 67 parts on 43 nets, routed with 279 tracks and 162 vias.
It is built around the AD8226ARZ, LM358N and NJM7805SDL1-TE1, with the TC74HC4066APF, 2N7002K and 943-1C-12DS among its other parts. Its parts include 18 resistors, 16 connectors, 13 capacitors, 6 ICs and 2 diodes.
Main components
7
AD8226ARZ
SOIC-8-18V~-1.35V、1.35V~18V -40℃~+125℃ 0.015% 0.4V/us 1 1.5MHz 100dB 100uV 13mA 1V/V~1000V/V 1nA 2.2V~36V 20nA 22nV/√Hz@1kHz 25us 350uA 500nV/℃ 5pA/℃ 86dB External resistor gain、ESD protection、Overvoltage protection、EMI filtering/RF suppression Rail-to-rail output SOIC-8 Instrumentation Amplifiers ROHSAnalog DevicesInstrumentation Amplifiers
LM358N
DIP-8-18V~18V 0℃~+70℃ 1.2MHz 10nA 2 30mA 3V~36V 50nA 7mV 800uA 80dB Built-in compensation DIP-8 Operational Amplifier ROHSHGSEMIOperational Amplifier
NJM7805SDL1-TE1
TO-252-40℃~+125℃ 1 1.5A 2.2V@(1.5A) 35V 4.2mA 45uVrms 5V 78dB@(120Hz) Fixed Over Current Protection、Over Temperature Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSNisshinbo Micro Devices Inc.Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
TC74HC4066APF
DIP-14-40℃~+85℃ 2V~12V 4 55Ω DIP-14 Analog Switches, Multiplexers ROHSToshibaAnalog Switches, Multiplexers
2N7002K
SOT-23-55℃~+150℃ 1 N-channel 1.2Ω@10V、1.4Ω@5V 1.6V 2.9pF 300pC@4.5V 30pF 380mA 4.2pF 540mW 60V SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs
943-1C-12DS
插件,18.9x15.3mm-35℃~+85℃ 100mΩ 10ms 12V 15.3mm 15A 18.9mm 30V@DC、250V@AC 360mW 400Ω 5ms 6A@250VAC、6A@30VDC、7A@250VAC、7A@30VDC、12A@125VAC One set changeover: 1C (SPDT - changeover) Silver Alloy 插件,18.9x15.3mm Power Relays ROHSHSINDAPower Relays
GS1010FL
SOD-123FLSOD-123FL Diodes - General Purpose ROHSFUXINSEMIDiodes - General Purpose
Parts
67| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 10k | Resistor_SMD:R_0603_1608Metric | R2, R3, R4, R5, R6, R7, R13, R14, R15, R16, R17, R18 |
| 6 | 0.1u | Capacitor_SMD:C_0603_1608Metric | C4, C7, C8, C9, C10, C11 |
| 4 | 1u | Capacitor_SMD:C_0603_1608Metric | C1, C3, C6, C13 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 2 | 20m | Resistor_SMD:R_2512_6332Metric | R11, R12 |
| 2 | S-89713B-K8T2U | Package_SO:MSOP-8_3x3mm_P0.65mm | U5, U6 |
| 1 | +12V | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J5 |
| 1 | +5V | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3 |
| 1 | 0.01u | Capacitor_SMD:C_0402_1005Metric | C12 |
| 1 | 0.47u | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 10k | AM_Potentiometer:TSR065103R | RV1 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | 150k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10 |
| 1 | 1k | Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical | RV3 |
| 1 | 2.1-5.5 +12VDC | AM_Conn_BarrelJack:MJ-179P(H) | J1 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 2N7002K | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 47u | Capacitor_SMD:CP_Elec_8x6.2 | C5 |
| 1 | 500 | Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical | RV2 |
| 1 | 943-1C-12DS | AM_Relay:HSINDA-943_12A-1C_5p | RLY1 |
| 1 | AD8226ARZ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | AnalogIO | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J4 |
| 1 | CLK_disable | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | CLK_in | TestPoint:TestPoint_Pad_2.0x2.0mm | TP1 |
| 1 | Conn_01x02 | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J11 |
| 1 | D_Schottky | Diode_SMD:D_SOD-323 | D2 |
| 1 | Drain | AM_Conn_ScrewTerminal:ScrewTerminal_01x01_PCB-20 | J7 |
| 1 | Eoshi-chan_Silk | Eoshi-chan:Eoshi-chan_logo_15x15 | P1 |
| 1 | Eoshi-chan_Silk | Eoshi-chan_v2:Eoshi-chan-v2_10x10 | P2 |
| 1 | GS1010FL | Diode_SMD:D_SOD-123 | D1 |
| 1 | Gate | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J8 |
| 1 | NJM7805SDL1 | Package_TO_SOT_SMD:TO-252-2 | U2 |
| 1 | NJW4191M | Package_DMP:DMP-8_5x5_P1.27mm | U1 |
| 1 | Serial_QR | JLCPCB_Serial:Serial_QR_5x5 | P3 |
| 1 | Source | AM_Conn_ScrewTerminal:ScrewTerminal_01x01_PCB-20 | J9 |
| 1 | Switch_Control | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J2 |
| 1 | TC74HC4066AP | Package_DIP:DIP-14_W7.62mm_Socket | U3 |
| 1 | Thermistor | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | TH1 |
| 1 | Vin+ | AM_Conn_ScrewTerminal:ScrewTerminal_01x01_PCB-20 | J13 |
| 1 | Vin_- | AM_Conn_ScrewTerminal:ScrewTerminal_01x01_PCB-20 | J10 |
| 1 | Vsens | AM_Conn_ScrewTerminal:ScrewTerminal_01x01_PCB-20 | J12 |
| 1 | VsensJMP | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
Questions
How big is the Main SMD Controller PCB?
It measures 65 × 85 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Main SMD Controller use?
67 parts, built around the AD8226ARZ, LM358N, NJM7805SDL1-TE1 and TC74HC4066APF. 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 Main SMD Controller KiCad files?
From the EosinY/ElectronicLoad-AnalogController repository on GitHub, at the commit this page was made from: the board is Main_SMD_Controller.kicad_pcb and its schematic Main_SMD_Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Main SMD Controller design in my own project?
Its repository states no licence, so its author keeps all rights: ask EosinY before reusing the design.
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