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DAC ADC PWM IO BACK UP

DanielMartensson·STM32-PLC·PCB/DAC ADC PWM IO_BACK_UP.kicad_pcb

DAC ADC PWM IO BACK UP PCB layout, top view — open source STM32 board by DanielMartensson
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About the DAC ADC PWM IO BACK UP PCB

DAC ADC PWM IO BACK UP is an open source STM32 PCB design by DanielMartensson, published on GitHub under the MIT license. It is a 4-layer board measuring 100 × 100 mm, with 266 components from 41 distinct parts.

Its main chip is the STM32F373VBTx, from the STM32 family. Other key parts include the AP7343-33W5-7, LM2902, LM2904 and TCAN332. By type, the board carries 124 resistors, 44 diodes, 36 capacitors, 30 fuses, 11 transistors and 8 connectors.

From the project

STM32 microcontroller with lots of periferials such as ADC, differential ADC, Input Capture, PWM, USB, Encoder, DAC, Digital Input, RTC, CAN-bus + Alarm etc.

This project is a PCB bord that has the following measurement and control input/output:

12 x ADC at 16-bit resolution for 0-20mA input with programmable gain 5 x Differential ADC at 16-bit for 0-20mA input with programmable gain 3 x DAC at 12-bit with 0-20mA output 8 x PWM for 0-2.2A with N-channel MOSFET 10 x Digital Input 1 x CAN-bus channel 4 x Input Capture for 0 kHz to 10kHz 3 x Encoder for -32768 to 32767 pulses 1 x USB port for connecting with OpenSourceLogger and GoobySoft 1 x SPI with 3 chip select for ILI9341 LCD with touch 1 x ST-Link V2 connection 1 x RTC clock with two alarms…

DAC ADC PWM IO BACK UP, from the project README
From the project README

Main components on the DAC ADC PWM IO BACK UP

AP7343-33W5-7LM2902STM32F373VBTxLM2904TCAN332

DAC ADC PWM IO BACK UP bill of materials (BOM)

266 components, 41 distinct parts.

QtyPartRefs
1
AP7343-33W5-7
U2
1
LM2902
U3
1
STM32F373VBTx
U4
1
LM2904
U5
1
TCAN332
U6
3
BC847C-QR
Q1, Q2, Q3
8
BUK9M15-60EX
Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11
1
HSE
Y1
1
LSE
Y2
2
Screw_Terminal_01x9
J1, J16
1
Screw_Terminal_01x02
J2
1
Conn_01x08
J3
1
Screw_Terminal_01x12
J8
1
USB_B
J9
1
Screw_Terminal_01x15
J14
1
Screw_Terminal_01x10
J15
1
Battery_Cell
BT1
22
Max 30mA
F1, F2, F3, F4, F5, F6, F7, F8 +14
8
Max 2.5A
F13, F14, F15, F16, F17, F18, F19, F20
1
ST-Link V2 connetor
STLINK2
Show 21 more
QtyPartRefs
1
SW_Push
SW1
42
BZX84C3V6LT1G
D1, D2, D3, D4, D5, D6, D7, D8 +34
1
PESD5V0L2BT,215
D28
1
SK56A-LTP
D44
1
LED_USB_RX_TX
L0
1
LED_CAN_RX_TX
L1
1
LED_ERROR
L2
10
100nF
C1, C6, C7, C11, C13, C21, C22, C24 +2
2
10pF
C2, C3
7
1uF
C4, C5, C9, C14, C18, C19, C27
3
4.7uF
C8, C15, C30
11
10nF
C10, C12, C16, C17, C25, C28, C33, C34 +3
2
4.7pF
C20, C23
1
10uF
C31
1
2k
R1
82
10k
R2, R7, R8, R9, R10, R11, R12, R13 +74
33
160
R3, R4, R5, R6, R14, R15, R16, R17 +25
1
1.5k
R44
2
60
R53, R83
3
220
R54, R78, R79
2
0
R55, R56

DAC ADC PWM IO BACK UP design files

The KiCad project lives in the DanielMartensson/STM32-PLC repository on GitHub; these links point at the commit this page was built from.

DAC ADC PWM IO BACK UP: common questions

What microcontroller does the DAC ADC PWM IO BACK UP use?

The DAC ADC PWM IO BACK UP is built around the STM32F373VBTx, from the STM32 family.

How big is the DAC ADC PWM IO BACK UP PCB?

The DAC ADC PWM IO BACK UP measures 100 × 100 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the DAC ADC PWM IO BACK UP?

266 components, from 41 distinct parts. The full bill of materials is listed on this page.

Where can I download the DAC ADC PWM IO BACK UP design files?

From the DanielMartensson/STM32-PLC repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the DAC ADC PWM IO BACK UP design in my own project?

Yes, under the terms of its MIT license, which DanielMartensson chose for the repository.

Can I test firmware for the DAC ADC PWM IO BACK UP without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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