PCB Layout Optimization
U4
Manufacturer Part Number
THVD1450DR
VCC_5V
VCC_3V3
VBUS
VCC_3V3
VCC_5V
VCC_3V3
VCC_3V3
VCC_5V
VCC_3V3
VCC_12V
VCC_12V
VCC_3V3
F1
D1
D3
USB_D_P
USB_D_M
USB_D_P
USB_D-
USB_D+
USB_D_M
CHIP_PU
C6
Capacitance
22uF
R10
Resistance
10kΩ
R1
Resistance
5.1kΩ
C5
Capacitance
0.1uF
C11
Capacitance
0.1uF
R8
Resistance
75 Ω
C4
Capacitance
1uF
C3
Capacitance
22uF
R13
Resistance
75 Ω
R4
Resistance
10 Ω
R11
Resistance
10kΩ
R2
Resistance
5.1kΩ
R6
Resistance
10 Ω
R9
Resistance
7.87kΩ
R7
Resistance
10kΩ
R3
Resistance
10kΩ
IC2
Manufacturer Part Number
TPS62162DSGT
D7
Color
Green
D6
Color
Green
D2
Color
Red
J2
D5
C1
Capacitance
0.1uF
SW1
SW2
U2
IC3
Manufacturer Part Number
MT3608L
C9
Capacitance
22uF
U1
C2
Capacitance
10uF
L1
Inductance
10uH
U6
Manufacturer Part Number
KF128-2.54-4P
C10
Capacitance
22uF
R12
Resistance
150kΩ
U3
Manufacturer Part Number
USBLC6-2P6
J1
D4
L2
Inductance
2.2uH
IC1
Manufacturer Part Number
ESP32-S3-WROOM-1-N16R8
R5
Resistance
1KΩ
Reviews
Design Review Report: Files Tab Demo Project
ESP32-based controller for an external RS-485 ultrasonic water flow sensor, powered from USB-C with onboard 3.3 V logic supply and boosted 12 V sensor supply.
Properties
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $2.57–$4.14 |
Digi-Key | $6.61–$11.13 |
LCSC | $11.00–$12.09 |
Mouser | $15.54–$16.22 |
TME | $4.04–$4.37 |
Verical | $3.38–$7.12 |
Controls
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