HardLabs

Balthazar-PSU-R-D

balthazar-space·Balthazar-PSU-R-D·kicad/BalthazarPSU.kicad_pcb

Balthazar-PSU-R-D PCB layout, top view — open source board by balthazar-space

About the Balthazar-PSU-R-D PCB

Balthazar-PSU-R-D is an open source PCB design by balthazar-space, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 83.8 × 31.8 mm, with 85 components from 33 distinct parts.

Other key parts include the BQ24193, PAM8403-SOP16 and TPS63020. By type, the board carries 26 resistors, 10 capacitors, 7 connectors, 6 diodes, 4 ICs and 3 inductors.

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

From the project

Balthazar open-hardware laptop - PSU charger + audio amplifier module

Open-hardware laptop computer modules description and concept.

These are electronic schematic modules as presented at https://balthazar.space/wiki/Balthazar with the main aim for team access. See the main repository for other designs.

Module BalthazarPSU is a combined battery charger, buck-boost coverter and stereo power amplifier. KiCad 5.1.5 files can be found here.

Balthazar-PSU-R-D, from the project README
From the project README

Main components on the Balthazar-PSU-R-D

BQ24193PAM8403-SOP16TPS63020

Balthazar-PSU-R-D bill of materials (BOM)

85 components, 33 distinct parts.

QtyPartRefs
1
BQ24193
IC1
1
PAM8403-SOP16
U1
2
TPS63020
U2, U3
1
AudioIN
J1
1
AudioOUT
J4
1
USB_A_female
J5
1
USB_OTG_female
J6
1
host (promicro)
J7
2
3.3V 4A
J8, J9
1
1s LiPo
BATT1
6
10uF
CBAT1, CPMID1, CSYS1, CSYS2, CSYS3, CSYS4
10
1uF
CBTST1, CBUS1, CBUS2, CBUS3, CBUS4, CBUS5, CBUS8, CPSU1 +2
4
0.1uF
CBUS3a1, CBUS3a2, CBUS3a3, CPMID1a1
1
0.1uF
CBUS7
2
10E
FBEAD2, FBEAD3
1
3.9 - 17V adapter 3-5A
PSU1
1
R
RBTST1
2
SW_SPST
SW2, SW3
1
10K
THERMISTOR(103-AT)1
4
Led
D1, D2, D4, D5
Show 13 more
QtyPartRefs
2
RBR5LAM40A
D3, D6
1
2.2uH 4A
L1
2
1.5uH 4A
L2, L3
2
0.1uF
C1, C2
8
22uF
C3, C4, C5, C6, C7, C8, C9, C10
7
10K
R1, R2, R3, R6, R16, R17, R18
7
2K2
R4, R5, R8, R9, R11, R21, R22
1
265
R7
1
6K8
R10
4
1M
R12, R14, R23, R24
2
180K
R13, R15
2
0
R19, R20
2
270K
R25, R26

Balthazar-PSU-R-D design files

The KiCad project lives in the balthazar-space/Balthazar-PSU-R-D repository on GitHub; these links point at the commit this page was built from.

Balthazar-PSU-R-D: common questions

How big is the Balthazar-PSU-R-D PCB?

The Balthazar-PSU-R-D measures 83.8 × 31.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Balthazar-PSU-R-D?

85 components, from 33 distinct parts. The full bill of materials is listed on this page.

Where can I download the Balthazar-PSU-R-D design files?

From the balthazar-space/Balthazar-PSU-R-D repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Balthazar-PSU-R-D design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which balthazar-space chose for the repository.

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