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Power Supply Brain

cdagher·BenderPower·hardware/2023-24/Power_Supply_Brain/Power_Supply_Brain.kicad_pcb

Power Supply Brain PCB layout, top view — open source RP2040/RP2350 board by cdagher

About the Power Supply Brain PCB

Power Supply Brain is an open source RP2040/RP2350 PCB design by cdagher, published on GitHub under the MIT license. It is a 4-layer board measuring 59 × 84 mm, with 101 components from 52 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the MAX17502G, TPSM861252RDXR, W25Q128JVS, NCP1117-5.0_SOT223 and LED1642GWQTR. By type, the board carries 33 resistors, 32 capacitors, 20 diodes, 7 ICs, 6 connectors and 1 crystal.

It belongs with the robotics & motion and power & battery designs in this gallery.

From the project

Power Supply Hardware and Firmware for the Bender Autonomous Robotics Project

This repo serves as the home for power supply designs for the Bender Autonomous Robotic Systems (ARS) project at Boise State University. It contains hardware source files including schematics and PCB layout, as well as all firmware source files.

This source is provided as is, with no warranty whatsoever. Feel free to use it in your own projects, so long as you follow the licensing terms.

Power Supply Brain, from the project README
From the project README

Main components on the Power Supply Brain

MAX17502GRP2040TPSM861252RDXRW25Q128JVSNCP1117-5.0_SOT223LED1642GWQTRLMC555xM

Power Supply Brain bill of materials (BOM)

101 components, 52 distinct parts.

QtyPartRefs
1
MAX17502G
U1
1
RP2040
U2
1
TPSM861252RDXR
U3
1
W25Q128JVS
U4
1
NCP1117-5.0_SOT223
U5
1
LED1642GWQTR
U6
1
LMC555xM
U7
1
ABM8-272-T3
ABLS-12.000MHZ-B4-T
Abracon
Y1
1
Conn_02x03_Odd_Even
J1
1
Conn_02x02_Counter_Clockwise
J2
1
USB_B_Micro
J3
1
Conn_01x02
J4
1
1770995
Screw_Terminal_01x06
Pheonix Contact
J5
1
Conn_02x11_Counter_Clockwise
J6
1
SW_MEC_5G
SW1
4
PMEG10030ELPX
D1, D2, D3, D4
16
LED
D5, D6, D7, D8, D9, D10, D11, D12 +8
1
MSS1260-473ML
47u
L1
10
100n
Kemet
C1, C2, C3, C4, C5, C6, C7, C10 +2
4
1u
C8, C9, C14, C25
Show 32 more
QtyPartRefs
1
10u
C12
1
2.2u
C13
1
10u
C15
1
6800p
Kemet
C16
3
C0805C106K3PAC7210
10u
Kemet
C17, C22, C23
1
100n
C19
2
15p
C20, C21
1
47u
C26
1
600p
C27
1
DNP
C28
1
1u
C29
1
12p
C30
1
2200p
C31
1
22p
Kemet
C32
1
22u
Kemet
C33
10
10k
R1, R2, R3, R6, R8, R9, R10, R11 +2
2
27.4
Vishay
R4, R5
6
100k
R7, R17, R22, R23, R26, R28
1
174k
R13
1
3.3M
Vishay
R14
1
453k
Vishay
R15
1
14k
Vishay
R16
1
220
R19
1
1.1k
R20
1
20k
Vishay
R21
1
DNP
R24
1
1k
R25
1
1k
R27
1
11k
R31
1
62k
R32
2
30k
R33, R35
1
135k
R34

Power Supply Brain design files

The KiCad project lives in the cdagher/BenderPower repository on GitHub; these links point at the commit this page was built from.

Power Supply Brain: common questions

What microcontroller does the Power Supply Brain use?

The Power Supply Brain is built around the RP2040, from the RP2040/RP2350 family.

How big is the Power Supply Brain PCB?

The Power Supply Brain measures 59 × 84 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Power Supply Brain?

101 components, from 52 distinct parts. The full bill of materials is listed on this page.

Where can I download the Power Supply Brain design files?

From the cdagher/BenderPower repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Power Supply Brain design in my own project?

Yes, under the terms of its MIT license, which cdagher chose for the repository.

Can I test firmware for the Power Supply Brain without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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