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Usbc power

SoukeyCircuits·ArduinoNMR·Arduino_NMR_09_23_26/Power-USBC/KiCad_Files/usbc-power.kicad_pcb

Top view of the Usbc power PCB
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Usbc power is an open source PCB design by SoukeyCircuits: a 2-layer, 30 × 79 mm board with 41 components (31 distinct parts). It is built around the BD80GC0MEFJ-ME2, HUSB238A-BB001-QN16R, TL431A. Filed under science & space.

Arduino based NMR spectrometer for use in low field applications.

USB-C PD power board for the Arduino NMR. It negotiates a fixed 9 V from any USB-C PD supply (HUSB238A-BB001), makes the +8 V (LNA) and +3.3 V rails on board, and feeds them to the main board over J2 (1×12) and J4 (2×5 right-angle).

- Over-voltage interlock: a TL431A cuts the input if the supply ever delivers more than ~10 V. - Indicators: LED1–LED3 show +9VSYS, +8V and +3V3. - 2 layers, 1.6 mm.**

Built around

BD80GC0MEFJ-ME2HUSB238A-BB001-QN16RTL431A

Parts list

41 components, 31 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BD80GC0MEFJ-ME2
BD80GC0VEFJ-ME2
IC7
1
BD80GC0MEFJ-ME2
BD33GA5WEFJ-E2
IC25
1
HUSB238A-BB001-QN16R
U20
1
TL431A
U21
1
DMP3013SFV-7
Q20
1
BSS84
Q22
1
CONN_01X12
Conn_01x12
J2
1
CONN_02X05_ODD_EVEN
Conn_02x05_Odd_Even
J4
1
USB4105-GF-A-120
J10
3
RED
LED1, LED2, LED3
1
SMAJ24A
D20
1
SMAJ11A
D21
1
BZX84C10
D22
4
10 nF
C12, C25, C26, C28
2
1UF/50V
1uF/50V
C20, C21
2
22UF/25V
22uF/25V
C22, C23
1
100NF/50V
100nF/50V
C24
1
4.7NF
4.7nF
C27
1
10NF/50V
10nF/50V
C30
1
10R
R20
Show 11 more
QtyPartRefs
1
5.1K
5.1k
R21
1
100K
100k
R22
1
3.00k 1%
R23
1
2.26k 1%
R24
3
1M
R25, R26, R27
2
2.2K
2.2k
R29, R36
1
30.1k 1%
R30
1
10.0k 1%
R31
1
6.8K
6.8k
R34
1
1k
R35
1
390
R37

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