This repository contains the complete KiCad project for a multi-board linear programmable bench power supply. The design is organized into separate PCBs, including the Power Board, Control Board, Front Panel, Output Socket Board, and USB Charging Panel.
PSU is an open-source printed circuit board by Sakib-Ansari, from the Sakib-Ansari/Linear_Programmable_Power_Supply repository on GitHub, published under the MIT licence. It is a 2-layer board of 162.8 × 99.9 mm with 133 parts on 115 nets, routed with 733 tracks and 368 vias.
It is built around the CH340C, ESP32-WROOM-32 and TL082, with the MCP3202-CI/P, MCP4922-E/P and AMS1117-3.3 among its other parts. Its parts include 41 capacitors, 38 resistors, 17 ICs, 17 connectors and 7 diodes. It belongs with the power boards and the ESP32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 100nf | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C22, C23, C24, C25, C26, C29, C30, C31, C32, C33, C34, C35, C38, C39, C40, C41 |
| 14 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R5, R7, R9, R11, R12, R14, R15, R18, R20, R22, R24, R33, R34 |
| 8 | C | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C3, C4, C5, C6, C9, C10, C11, C12 |
| 7 | R | Resistor_SMD:R_0805_2012Metric | R26, R27, R28, R29, R30, R31, R32 |
| 6 | C | Capacitor_SMD:C_0805_2012Metric | C15, C16, C19, C20, C36, C37 |
| 5 | C | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C13, C14, C17, C18, C27 |
| 4 | 100nf | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C2, C7, C8 |
| 4 | Conn_01x02_Pin | Connector_JST:JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical | J7, J8, J9, J17 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | TO-220 | My_Heatsink:TO-220 | HS1, HS2, HS3, HS4 |
| 3 | 100k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16, R17, R25 |
| 3 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R21, R23, R38 |
| 3 | TL082 | Package_DIP:CERDIP-8_W7.62mm_SideBrazed_LongPads_Socket | U2, U5, U7 |
| 2 | 14k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R35, R37 |
| 2 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D3 |
| 2 | 1k5 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R8 |
| 2 | 220R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R6 |
| 2 | 4k7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R10 |
| 2 | BZV55B3V3 | Diode_THT:D_DO-35_SOD27_P10.16mm_Horizontal | D2, D4 |
| 2 | C_Polarized | Capacitor_THT:CP_Radial_D18.0mm_P7.50mm | C21, C28 |
| 2 | Conn_01x02_Pin | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J6, J14 |
| 2 | Conn_01x03_Pin | Connector_PinHeader_1.00mm:PinHeader_1x03_P1.00mm_Vertical | J1, J2 |
| 2 | Conn_01x03_Pin | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J3, J13 |
| 2 | Conn_01x04_Pin | Connector_JST:JST_EH_B4B-EH-A_1x04_P2.50mm_Vertical | J10, J11 |
| 2 | S8050 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3 |
| 2 | Screw_Terminal_01x03 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J5, J15 |
| 2 | TL431LP | Package_TO_SOT_THT:TO-92_Inline | U1, U4 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R36 |
| 1 | 820k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U16 |
| 1 | B80C5000-3x00A | Diode_THT:Diode_Bridge_32.0x5.6x17.0mm_P10.0mm_P7.5mm | D7 |
| 1 | BC548 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | BD139 | Package_TO_SOT_THT:TO-126-3_Vertical | Q4 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U8 |
| 1 | Conn_01x03_Pin | Connector_JST:JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical | J4 |
| 1 | Conn_FAN | Connector_JST:JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical | J16 |
| 1 | Conn_LED | Connector_JST:JST_EH_B7B-EH-A_1x07_P2.50mm_Vertical | J12 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U10 |
| 1 | IR26-21C_L110_TR8 | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Vertical | U13 |
| 1 | L7812 | Package_TO_SOT_THT:TO-220-3_Vertical | U12 |
| 1 | L7912 | Package_TO_SOT_THT:TO-220-3_Vertical | U15 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D6 |
| 1 | LM317_TO-220 | Package_TO_SOT_THT:TO-220-3_Vertical | U11 |
| 1 | LP2950-3.3_TO92 | Package_TO_SOT_THT:TO-92_Inline | U14 |
| 1 | MCP3202 | Package_DIP:CERDIP-8_W7.62mm_SideBrazed_LongPads_Socket | U9 |
| 1 | MCP4922 | Package_DIP:CERDIP-16_W7.62mm_SideBrazed_Socket | U3 |
| 1 | OPA197xD | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U6 |
| 1 | R | Inductor_THT:L_Axial_L5.0mm_D3.6mm_P10.00mm_Horizontal_Murata_BL01RN1A2A2 | R19 |
| 1 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP1 |
| 1 | TL071 | Package_DIP:CERDIP-8_W7.62mm_SideBrazed_LongPads_Socket | U17 |
Sakib-Ansari/Linear_Programmable_Power_Supply
This repository contains the complete KiCad project for a multi-board linear programmable bench power supply. The design is organized into separate PCBs, including the Power Board, Control Board, Front Panel, Output…
Sakib-Ansari/Linear_Programmable_Power_Supply
This repository contains the complete KiCad project for a multi-board linear programmable bench power supply. The design is organized into separate PCBs, including the Power Board, Control Board, Front Panel, Output…
Sakib-Ansari/Linear_Programmable_Power_Supply
This repository contains the complete KiCad project for a multi-board linear programmable bench power supply. The design is organized into separate PCBs, including the Power Board, Control Board, Front Panel, Output…
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It measures 162.8 × 99.9 mm and has 2 copper layers, 1.6 mm thick.
133 parts, built around the CH340C, ESP32-WROOM-32, TL082 and MCP3202-CI/P. 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.
From the Sakib-Ansari/Linear_Programmable_Power_Supply repository on GitHub, at the commit this page was made from: the board is KiCad Files/Control Board/PSU.kicad_pcb and its schematic KiCad Files/Control Board/Control_board_2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
