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Changes for page Power controller

Last modified by Mathias Larsen on 2026/09/24 21:21
From version 7.1
edited by Mathias Larsen
on 2026/05/25 11:55
Change comment: There is no comment for this version
To version 2.4
edited by Mathias Larsen
on 2026/05/24 15:18
Change comment: There is no comment for this version

Summary

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3 -== Microcontroller Pinout ==
4 -
5 -The power controller uses a microcontroller to control the pumps, fans, buzzer, and brake light. It also features current monitoring and LED indicators. The Microcontroller used in this system is STM32G431CBT6 D
6 -
7 -
8 8  |=Physical pin|=Electrical pin|=(((
9 9  Description
10 10  )))
11 -|1|VBAT|Power source from a backup battery if a RTC would be used (Connected to +3V3 in this case)
12 -|5|OSC_IN|Clock input (8MHz oscillator)
13 -|7|NRST|Negative reset which can be connected to a button (Connected to +3V3)
14 -|8|PA0|Current 6 Supply 24V resserve
15 -|9|PA1|Current 7 Supply 24V resserve
16 -|10|PA2|Current 5 Supply sensor card
17 -|11|PA3|Current 4 Supply front
18 -|12|PA4|Current 3 Supply accumulator
19 -|13|PA5|Current 2 Supply fans
20 -|14|PA6|LED 9
21 -|15|PA7|LED 2
22 -|16|PB0|Current 8 Supply buzzer, brake light
23 -|17|PB1|PWM enable Fan 1
24 -|18|PB2|V-sense
25 -|19|VSSA|Voltage source: Ground
26 -|20|VREF|Voltage reference (connected to +3V3)??
27 -|21|VDDA|Voltage source: Power (+3V3)
28 -|22|PB10|LED 8
29 -|23|VSS|Voltage source: Ground
30 -|24|VDD|Voltage source: Power (+3V3)
31 -|25|PB11|Current 1 Internal components
32 -|26|PB12|Current 9 Supply 12 V Pumps inverter and datalogger 
33 -|29|PB15|PWM fan
34 -|30|PA8|Enable buzzeer
35 -|31|PA9|Enable brake light
36 -|32|PA10|ASMS signal
37 -|33|PA11|CAN bus RXD
38 -|34|PA12|CAN bus TXD
39 -|35|VSS|Voltage source: Ground
40 -|36|VDD|Voltage source: Power (+3V3)
41 -|37|PA13|SWDIO
42 -|38|PA14|SWCLK
43 -|40|PB3|LED 3
44 -|41|PB4|LED 4
45 -|42|PB5|LED 5
46 -|43|PB6|Enable Pump 1
47 -|44|PB7|Enable Pump 2
48 -|45|PB8|LED 6
49 -|46|PB9|LED 7
50 -|47|VSS|Voltage source: Ground
51 -|48|VDD|Voltage source: Power (+3V3)
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