2 layers45 × 49.8 mm
CCCCPPPS MkI
BogdanTheGeek/CCCCPPPS
Cheap Crappy Constant Current Portable Programmable Power Supply
26 parts12MIT
2 layers58 × 20 mm
CCCCPPPS MkII
BogdanTheGeek/CCCCPPPS12Cheap Crappy Constant Current Portable Programmable Power Supply
- Size
- 58 × 20 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 26
- Pads
- 97
- Tracks, vias
- 108, 48
- Pours
- 13
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 29 Oct 2024
- Updated
- 11 Dec 2024
Overview
CCCCPPPS MkII is an open-source printed circuit board by BogdanTheGeek, from the BogdanTheGeek/CCCCPPPS repository on GitHub, published under the MIT licence. It is a 2-layer board of 58 × 20 mm with 30 parts on 26 nets, routed with 108 tracks and 48 vias.
It is built around the AP2112K-3.3, AO3400A and SRF1260-101M, with the SS34 among its other parts. Its parts include 9 resistors, 7 capacitors, 4 connectors, 2 ICs and 1 diode. It belongs with the power boards and the RISC-V boards of this library.
Main components
4
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
AO3400A
SOT-23-55℃~+150℃ 1 N-channel 1.45V 1.4W 30V 48mΩ@2.5V 5.7A 50pF 630pF 75pF 7nC@10V N-Channel SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
SRF1260-101M
SMD-4P,12.5x12.5mm1.78A 100uH 171mΩ 2.2A ±20% SMD-4P,12.5x12.5mm Power Inductors ROHSBournsPower Inductors
SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
README
README.mdCheap Crappy Constant Current Portable Programmable Power Supply
CCCCPPPS is a DIY Programmable Buck/Boost Power Supply, designed with the goal
of being cheap, crappy, but very useful!
Usage
Web UI
https://bogdanthegeek.github.io/CCCCPPPS/software/webui/index.html
Debug Interface:
This interface is enabled by default when building the firmware. Use minichlink
to issue commands listed below
Commands
[!NOTE] Need to improve the command list and handler
0to turn the supply off1-9to set the target Voltage/Current in multiples of 1000mV/100mActo switch to Constant Current Modevto switch to Constant Voltage Mode+to increase the target Voltage/Current depending on mode, in 50mV/25mA increments-to decrease the target Voltage/Current depending on mode, in 50mV/25mA incrementsKonami code makes the unit self distruct.Removed due to misuse.
Build
export CH32V003FUN="path/to/ch32v003fun"
make(c) 2024
Bogdan Ionescu
ADBeta
Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C4, C6 |
| 2 | 100uF | Capacitor_SMD:CP_Elec_6.3x5.2 | C7, C8 |
| 2 | 10K | Resistor_SMD:R_0805_2012Metric | R4, R6 |
| 2 | 5K1 | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 1K5 | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 220R | Resistor_SMD:R_0805_2012Metric | R8 |
| 1 | 2K | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 330mR | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R9 |
| 1 | 39K | Resistor_SMD:R_0805_2012Metric | R5 |
| 1 | 3V3 | TestPoint:TestPoint_Pad_D1.5mm | TP3 |
| 1 | AO3400A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U3 |
| 1 | CH32V003AxMx | Package_SO:SOP-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | CONN_IN | Custom_Footprints:PCB_Terminal_Block_2-P3.5 | J4 |
| 1 | CONN_OUT | Custom_Footprints:PCB_Terminal_Block_2-P3.5 | J3 |
| 1 | GND | TestPoint:TestPoint_Pad_D1.5mm | TP4 |
| 1 | JMP_USB_VIN | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | PROG_HEADER | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | SRF1260-101M | Inductor_SMD:L_Bourns_SRF1260 | L1 |
| 1 | SS34 | Diode_SMD:D_SMA | D1 |
| 1 | USB_C | Connector_USB:USB_C_Receptacle_G-Switch_GT-USB-7010ASV | J2 |
| 1 | VIN | TestPoint:TestPoint_Pad_D1.5mm | TP2 |
| 1 | VOUT | TestPoint:TestPoint_Pad_D1.5mm | TP1 |
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Questions
How big is the CCCCPPPS MkII PCB?
It measures 58 × 20 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CCCCPPPS MkII use?
30 parts, built around the AP2112K-3.3, AO3400A, SRF1260-101M and SS34. 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 CCCCPPPS MkII KiCad files?
From the BogdanTheGeek/CCCCPPPS repository on GitHub, at the commit this page was made from: the board is PCB/MkII/CCCCPPPS_MkII.kicad_pcb and its schematic PCB/MkI/CCCCPPPS_MkI.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the CCCCPPPS MkII design in my own project?
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).