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Balthazar-PSU-IO-v.2

balthazar-space·Balthazar-PSU-IO-v.2·kicad/BalthazarPSU2.kicad_pcb

Balthazar-PSU-IO-v.2 PCB layout, top view — open source board by balthazar-space

About the Balthazar-PSU-IO-v.2 PCB

Balthazar-PSU-IO-v.2 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 126.8 × 25.3 mm, with 139 components from 53 distinct parts.

Other key parts include the BQ24193, PAM8403-SOP16, TPS63020, AMS1117-3.3 and USB2514B_Bi. By type, the board carries 48 resistors, 34 capacitors, 15 connectors, 6 ICs, 4 diodes and 4 inductors.

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

From the project

Balthazar open-hardware laptop - version 2 of keyboard and touchpad module controller

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 BalthazarPSU2 is a combined battery charger, buck-boost coverter, stereo power amplifier and usb 2.0 hub. A somehow revised version of BalthazarPSU module, this one has an added usb 2.0 hub based on Microchip USB2514B which was much more readily available in Europe than GL3520 chip. We also work on USB 3.0 - due to the chip shortage/availability - we…

Balthazar-PSU-IO-v.2, from the project README
From the project README

Main components on the Balthazar-PSU-IO-v.2

BQ24193PAM8403-SOP16TPS63020AMS1117-3.3USB2514B_Bi

Balthazar-PSU-IO-v.2 bill of materials (BOM)

139 components, 53 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BQ24193
IC1
1
PAM8403-SOP16
U1
2
TPS63020
U2, U3
1
AMS1117-3.3
U4
1
USB2514B_Bi
U5
1
CSD25310Q2
Q1
2
BSS138
Q2, Q3
1
Crystal_GND24
Y1
1
AudioIN
J1
1
USB_C_Receptacle_USB2.0
J2
1
5-15V / 3-5A
J3
1
AudioOUT
J4
1
uC host / Atmel
J5
1
Conn_01x03_Male
J6
1
uC host / Atmel
J7
1
5V 3A
J8
1
3.3V 4A
J9
5
Conn_01x04_USB
J12, J14, J15, J16, J17
1
USB_B_Micro
J13
1
1s LiPo
BATT1
Show 33 more
QtyPartRefs
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
1
R
RBTST1
1
10K
THERMISTOR(103-AT)1
4
Led
D1, D2, D4, D5
1
2.2uH 4A
L1
2
1.5uH 4A
L2, L3
1
L_Core_Ferrite_Small
L4
14
0.1uF
C1, C2, C11, C13, C17, C18, C19, C20 +6
8
22uF
C3, C4, C5, C6, C7, C8, C9, C10
7
10uF
C12, C22, C26, C27, C29, C31, C34
2
20pF
C14, C15
2
1uF
C16, C21
1
1nF
C25
7
10K
R1, R2, R3, R6, R16, R17, R42
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
7
10K
R18, R43, R44, R45, R46, R47, R48
2
5K1
R19, R27
2
56K
R20, R28
2
270K
R25, R26
7
100K
R29, R30, R31, R32, R34, R36, R37
1
1M
R33
1
12K
R35
1
120K
R38
1
49K9
R39
1
262K
R40
1
100K
R41

Balthazar-PSU-IO-v.2 design files

The KiCad project lives in the balthazar-space/Balthazar-PSU-IO-v.2 repository on GitHub; these links point at the commit this page was built from.

Balthazar-PSU-IO-v.2: common questions

How big is the Balthazar-PSU-IO-v.2 PCB?

The Balthazar-PSU-IO-v.2 measures 126.8 × 25.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Balthazar-PSU-IO-v.2?

139 components, from 53 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 Balthazar-PSU-IO-v.2 design files?

From the balthazar-space/Balthazar-PSU-IO-v.2 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Balthazar-PSU-IO-v.2 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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