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Changes for page Power controller

Last modified by Mathias Larsen on 2026/09/24 21:21
From version 4.1
edited by Mathias Larsen
on 2026/05/24 17:46
Change comment: There is no comment for this version
To version 14.1
edited by Mathias Larsen
on 2026/07/05 13:43
Change comment: There is no comment for this version

Summary

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... ... @@ -1,46 +1,57 @@
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 +
1 1  |=Physical pin|=Electrical pin|=(((
2 2  Description
3 3  )))
4 -|1|VBAT|
5 -|5|OSC_IN|
6 -|7|NRST|
7 -|8|PA0|
8 -|9|PA1|
9 -|10|PA2|
10 -|11|PA3|
11 -|12|PA4|
12 -|13|PA5|
13 -|14|PA6|
14 -|15|PA7|
15 -|16|PB0|
16 -|17|PB1|
17 -|18|PB2|
18 -|19|VSSA|
19 -|20|VREF|
20 -|21|VDDA|
21 -|22|PB10|
22 -|23|VSS|
23 -|24|VDD|
24 -|25|PB11|
25 -|26|PB12|
26 -|29|PB15|
27 -|30|PA8|
28 -|31|PA9|
29 -|32|PA10|
30 -|33|PA11|
31 -|34|PA12|
32 -|35|VSS|
33 -|36|VDD|
34 -|37|PA13|
35 -|38|PA14|
36 -|40|PB3|
37 -|41|PB4|
38 -|42|PB5|
39 -|43|PB6|
40 -|44|PB7|
41 -|45|PB8|
42 -|46|PB9|
43 -|47|VSS|
44 -|48|VDD|
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|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
25 +|19|VSSA|Voltage source: Ground
26 +|20|VREF|Voltage reference (Internal voltage refferance)
27 +|21|VDDA|Voltage source: Power (+3V3)
28 +|22|PB10|Digital output: 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: enable fan 2
34 +|30|PA8|Digital output Enable buzzeer(On the car it is Brake light)
35 +|31|PA9|(((
36 +Digital output Enable brake light(On the car it is the buzzer)
37 +)))
38 +|32|PA10|Input ASMS signal
39 +|33|PA11|CAN-BUS RXD
40 +|34|PA12|CAN-BUS TXD
41 +|35|VSS|Voltage source: Ground
42 +|36|VDD|Voltage source: Power (+3V3)
43 +|37|PA13|SWDIO
44 +|38|PA14|SWCLK
45 +|40|PB3|Digital output: LED 3
46 +|41|PB4|Digital output: LED 4
47 +|42|PB5|Digital output: LED 5
48 +|43|PB6|Digital output: Enable Pump 1
49 +|44|PB7|Digital output: Enable Pump 2
50 +|45|PB8|Digital output: LED 6
51 +|46|PB9|LED 7
52 +|47|VSS|Voltage source: Ground
53 +|48|VDD|Voltage source: Power (+3V3)
45 45  
46 -
55 +== Features to add ==
56 +
57 +Add mosfets to cut power if the Lv battery is to low to save power