2 layers59.9 × 57 mm
PCB PFC
lpires211002/CHIDORI_Proyecto_final_de_carrera
Repositorio de Chidori, medidor de bioimpedancia como PFC.
48 parts
4 layers104.5 × 67 mm
kicad starter projects thing
- Size
- 104.5 × 67 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 86
- Pads
- 196
- Tracks, vias
- 312, 21
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 14 Jun 2026
- Updated
- 29 Aug 2026
Overview
Mcu is an open-source printed circuit board by underthenightsky, from the underthenightsky/KiCad-Projects repository on GitHub. It is a 4-layer board of 104.5 × 67 mm with 38 parts on 86 nets, routed with 312 tracks and 21 vias.
It is built around the ADS8688IDB, INA128U and BAT54S. Its parts include 16 capacitors, 11 resistors, 6 diodes and 4 ICs. It belongs with the STM32 boards of this library.
Main components
3
ADS8688IDB
TSSOP-38-40℃~+125℃ 0.75LSB 10.24V 12mA 16 17MHz 4.75V~5.25V 500kHz 6ppm/℃ 8 92dB Built-in No SAR SPI Support TSSOP-38 Analog to Digital Converters (ADC) ROHSTexas InstrumentsAnalog To Digital Converters (ADCs)
INA128U
SOIC-8-18V~-2.25V、2.25V~18V -40℃~+85℃ 1 10uV 130dB 200nV/℃ 2nA 30pA/℃ 4.5V~36V 4V/us 5nA 6mA 700uA 7us 8nV/√Hz@1kHz External resistor gain、Overvoltage protection Single-Ended SOIC-8 Instrumentation Amplifiers ROHSTexas InstrumentsInstrumentation Amplifiers
BAT54S
SOT-231 Pair Series Connection 1V@100mA 200mA 2uA@25V 30V 600mA SOT-23 Schottky Diodes ROHSMDDSchottky Diodes
README
README.mdKiCad-Projects
kicad starter projects thing butterworth filter ltspice simulation link : MCU/mcu/spice/DesignFiles/ButterworthFilter.asc
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_SMD:R_0805_2012Metric | R2, R3, R9, R13 |
| 4 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D3, D4, D5, D6 |
| 3 | 100n | Capacitor_SMD:C_01005_0402Metric | C7, C9, C11 |
| 2 | 100p | Capacitor_SMD:C_0805_2012Metric | C5, C8 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C2, C13 |
| 2 | 20k | Resistor_SMD:R_0805_2012Metric | R5, R6 |
| 2 | 2k | Resistor_SMD:R_0805_2012Metric | R7, R10 |
| 1 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C16 |
| 1 | 0.27n | Capacitor_SMD:C_0805_2012Metric | C4 |
| 1 | 100 | Resistor_SMD:R_0805_2012Metric | R4 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | 100n | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 10u | Capacitor_SMD:CP_Elec_6.3x5.4 | C3 |
| 1 | 130p | Capacitor_SMD:C_0805_2012Metric | C15 |
| 1 | 1n | Capacitor_SMD:C_0805_2012Metric | C10 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric | C12 |
| 1 | 33 | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 4.7u | Capacitor_SMD:C_0805_2012Metric | C14 |
| 1 | 510p | Capacitor_SMD:C_0805_2012Metric | C6 |
| 1 | ADS8688 | Package_SO:TSSOP-38_4.4x9.7mm_P0.5mm | U3 |
| 1 | BAT54S | Package_TO_SOT_SMD:SOT-23 | D1 |
| 1 | ESD5Z3.3TiG | Diode_SMD:D_SOD-523 | D8 |
| 1 | INA128 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | MCP6002-xMS | Package_SO:MSOP-8_3x3mm_P0.65mm | U2 |
| 1 | SCT-013-000 | TerminalBlock:TerminalBlock_MaiXu_MX126-5.0-04P_1x04_P5.00mm | T1 |
| 1 | STM32F401CCUx | Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm | U4 |
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Questions
How big is the Mcu PCB?
It measures 104.5 × 67 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Mcu use?
38 parts, built around the ADS8688IDB, INA128U and BAT54S. 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 Mcu KiCad files?
From the underthenightsky/KiCad-Projects repository on GitHub, at the commit this page was made from: the board is MCU/mcu/mcu.kicad_pcb and its schematic MCU/mcu/DC_Bias.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mcu design in my own project?
Its repository states no licence, so its author keeps all rights: ask underthenightsky before reusing the design.