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4 layers58 × 59.3 mmDcdc, the printed circuit board in 3D

2015年电赛a题

Size
58 × 59.3 mm
Copper layers
4
Thickness
1.6 mm
Parts
124
Nets
77
Pads
397
Tracks, vias
642, 236
Pours
10
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
7 Jun 2025
Updated
30 Aug 2025

Overview

Dcdc is an open-source printed circuit board by znxingbell, from the znxingbell/DC-DC-Power repository on GitHub, published under the MIT licence. It is a 4-layer board of 58 × 59.3 mm with 124 parts on 77 nets, routed with 642 tracks and 236 vias.

It is built around the LM5164DDA, INA240A1PW and UCC27201AD, with the LP5907MFX-3.3, BAV99 and IPD025N06N among its other parts. Its parts include 48 capacitors, 36 resistors, 17 diodes, 7 ICs and 4 switches. It belongs with the power boards and the STM32 boards of this library.

Main components

11

README

README.md

DC-DC-Power

2015年电赛a题

Parts

124
QtyValueFootprintReferences
25100nCapacitor_SMD:C_0603_1608MetricC1, C2, C3, C14, C22, C23, C24, C25, C26, C28, C32, C34, C35, C36, C37, C38 +9
1310kResistor_SMD:R_0603_1608MetricR3, R4, R9, R10, R18, R19, R20, R23, R28, R33, R34, R35, R36
1010uCapacitor_SMD:C_1206_3216MetricC4, C5, C7, C8, C9, C11, C31, C33, C47, C48
6LEDLED_SMD:LED_0603_1608MetricD2, D3, D14, D15, D16, D17
533Resistor_SMD:R_0603_1608MetricR15, R16, R21, R22, R24
41kResistor_SMD:R_0603_1608MetricR29, R30, R31, R32
42.2nCapacitor_SMD:C_0603_1608MetricC13, C15, C18, C19
4220uCapacitor_SMD:CP_Elec_10x10C10, C12, C27, C29
4MountingHole_PadMountingHole:MountingHole_3.2mm_M3_Pad_ViaH1, H2, H3, H4
4SW_Omron_B3FSButton_Switch_SMD:SW_SPST_CK_RS282G05A3SW1, SW2, SW3, SW4
3BAV99Package_TO_SOT_SMD:SOT-23-3D8, D9, D13
2120kResistor_SMD:R_0603_1608MetricR17, R27
23.3Resistor_SMD:R_0603_1608MetricR25, R26
230kResistor_SMD:R_0603_1608MetricR5, R6
233uCapacitor_Tantalum_SMD:CP_EIA-3528-15_AVX-HC20, C21
2360kResistor_SMD:R_0603_1608MetricR8, R11
247pCapacitor_SMD:C_0603_1608MetricC16, C17
247uInductor_SMD:L_APV_APH0630L1, L2
2Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_HorizontalJ1, J2
2IPD025N06NPackage_TO_SOT_SMD:TO-252-2Q1, Q2
2LM5164DDAPackage_SO:HSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.1mm_ThermalViasU2, U3
2SMF10ADiode_SMD:D_SMFD4, D5
2SS36Diode_SMD:D_SMAD10, D11
1100kResistor_SMD:R_0603_1608MetricR1
11uCapacitor_SMD:C_0603_1608MetricC30
120kResistor_SMD:R_0603_1608MetricR7
120mResistor_SMD:R_2512_6332MetricR14
1270kResistor_SMD:R_0603_1608MetricR12
143kResistor_SMD:R_0603_1608MetricR2
168uInductor_SMD:L_APV_APH1265L3
175kResistor_SMD:R_0603_1608MetricR13
1CSTCE12MCrystal:Resonator_SMD_Murata_CSTxExxV-3Pin_3.0x1.1mmY1
1INA240A1PWPackage_SO:TSSOP-8_4.4x3mm_P0.65mmU4
1LP5907MFX-3.3Package_TO_SOT_SMD:SOT-23-5U1
1OPA2333xxDPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU6
1SMBJ24ADiode_SMD:D_SMBD12
1SMBJ40ADiode_SMD:D_SMBD1
1SMF12ADiode_SMD:D_SMFD7
1SMF5V0ADiode_SMD:D_SMFD6
1STM32F334C8TxPackage_QFP:LQFP-48_7x7mm_P0.5mmU7
1UCC27201APackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU5

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Questions

How big is the Dcdc PCB?

It measures 58 × 59.3 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Dcdc use?

124 parts, built around the LM5164DDA, INA240A1PW, UCC27201AD and LP5907MFX-3.3. 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 Dcdc KiCad files?

From the znxingbell/DC-DC-Power repository on GitHub, at the commit this page was made from: the board is dcdc.kicad_pcb and its schematic dcdc.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Dcdc 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).