Skip to Content

Changes for page Power controller

Last modified by Mathias Larsen on 2026/09/24 21:21
From version 12.1
edited by Mathias Larsen
on 2026/05/25 16:46
Change comment: There is no comment for this version
To version 5.2
edited by Mathias Larsen
on 2026/05/24 18:03
Change comment: There is no comment for this version

Summary

Details

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