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DC-DC-only

Chrismettal·ESP-Hiro·PCB/OtherDesigns-DebugPrototypes/DC-DC-only/DC-DC-only.kicad_pcb

DC-DC-only PCB layout, top view — open source board by Chrismettal
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About the DC-DC-only PCB

DC-DC-only is an open source PCB design by Chrismettal, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 44.6 × 21.8 mm, with 22 components from 16 distinct parts.

Other key parts include the TPS54331D. By type, the board carries 9 capacitors, 4 connectors, 4 resistors, 2 diodes, 1 IC and 1 inductor.

It belongs with the iot & wireless, sensors and power & battery designs in this gallery.

From the project

ESP-8266 Smart home dev board / general purpose IO for your home!

You can find the mostly assembled kit as well as 3D printed parts over at my tindie store!

If you like my work please consider supporting my caffeine addiction!

- Contents - What is this? - Pin tables - Devices - Defined I/O - MOSFETs - IR - Relays - I²C - PCF8574 - Temperature Sensors - 433MHz - ADC - Other - Software - Tasmota - Other - Build / aquire / use - Buying - Building my own - 3D printing - Mechanical - Power supply - Jumpers - V-USB -\> +5V - PCF8574 - IR resistor - Deep sleep - Uploading the Firmware - Templates - Tools used - Other boards - CP2102 USB - serial converter - 24 -…

DC-DC-only, from the project README
From the project README

Main components on the DC-DC-only

TPS54331D

DC-DC-only bill of materials (BOM)

22 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TPS54331D
U1
1
V_In
J1
2
GND
J2, J4
1
V_Out
J3
1
Logo
LO1
2
SS14
D1, D2
1
6.8UH
6.8uH
L1
2
4.7UF
4.7uF
C1, C2
3
10NF
10nF
C3, C4, C5
1
4.7NF
4.7nF
C6
1
33PF
33pF
C7
2
47UF
47uF
C8, C9
1
47K
R3
1
10K
10k
R5
1
1.5K
1.5k
R6
1
180R
R7

DC-DC-only design files

The KiCad project lives in the Chrismettal/ESP-Hiro repository on GitHub; these links point at the commit this page was built from.

DC-DC-only: common questions

How big is the DC-DC-only PCB?

The DC-DC-only measures 44.6 × 21.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DC-DC-only?

22 components, from 16 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the DC-DC-only design files?

From the Chrismettal/ESP-Hiro repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the DC-DC-only design in my own project?

Yes, under the terms of its GPL-3.0 license, which Chrismettal chose for the repository.

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