VCU Comparison: Difference between revisions

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A VCU can mean many things, but for the purposes of this page, a VCU means any programmable 12V controller that is designed or found to be useful in an EV conversion.
While "Primary use case" tells you what these controllers are intended for, the other fields tell you what they're capable of when configured or re-programmed for your use case.
In the spirit of open source, controllers with open source features are added leftmost on the table.
==== To-do ====
* Add other VCUs that have been used by people on the openinverter forums
** https://openinverter.org/forum/viewtopic.php?t=1148&hilit=arduino+due&start=125
*** https://github.com/arber333/Arduino-DUE-VCU
*** https://github.com/arber333/ESP32-VCU
** https://github.com/jamiejones85/ESP32CanGauge
** https://github.com/marlinarnz/eVCU
** https://github.com/MagnusThome/RejsaCAN-ESP32
** https://github.com/noisymime/speeduino
** https://github.com/chrskly/electric-mustang-wiring
** https://github.com/jamiejones85/ESP32-Chademo
** https://github.com/mumme74/CarTransporter/blob/aeda138992301123158cd2d2c1d10c55ae537238/libraries/system_things/PID.h#L263
* Fill in missing info
* Add links
Add open source VCUs:
* johu's stm32-car (https://github.com/jsphuebner/stm32-car)
Add closed source VCUs:
* AEM VCU200 (https://www.aemev.com/products/ev-vehicle-control-units/vcu200) and VCU300 (https://www.aemev.com/products/ev-vehicle-control-units/vcu300)
* Engovis EVS-VCU (https://citini.com/product/evs-vehicle-control-unit/)
* Thunderstruck VCU - for the Nissan Leaf, UQM, and Coda motors (https://www.thunderstruck-ev.com/dilithium-vcu.html)
* Resolve-EV Resolve Controller (https://www.resolve-ev.com/shop/p/resolve-controller)
==== The comparison table ====
{| class="wikitable"
{| class="wikitable"
|+ Caption text
|+ VCU Comparison
|-
|-
! Comparison !! ZombieVerter !! GEVCU7 !! Mini-E-VCU !! iPDM56v1.1
! Comparison !! ZombieVerter !! GEVCU7 !! Mini-E-VCU !! iPDM56v1.1
|-
|-
| Open source software || Yes || Yes || Yes || Yes
| Open source software (link) || [https://github.com/damienmaguire/Stm32-vcu Yes] || [https://github.com/collin80/GEVCU7 Yes] || [https://github.com/aot93/Mini-E-VCU Yes] || [https://github.com/celeron55/ipdm56 Yes]
|-
|-
| Open source hardware || Yes || No || Yes || No
| Open source hardware (link) || [https://github.com/damienmaguire/Stm32-vcu Yes] || No || [https://easyeda.com/aot93/mini-e-t4-vcu_copy Yes] || No
|-
|-
| Schematics and board layouts available || Yes || No || Yes || Yes
| Schematics and board layouts (link) || [https://github.com/damienmaguire/Stm32-vcu/tree/master/Hardware/Zombie Yes] || No || [https://easyeda.com/aot93/mini-e-t4-vcu_copy Yes] || [https://github.com/celeron55/ipdm56/tree/master/ipdmhw1.1 Yes]
|-
|-
| Price (roughly inc. VAT + shipping + enclosure) || 350€ || 1500€ || || 135€
| In stock (link) || [https://www.evbmw.com/index.php/evbmw-webshop/vcu-boards/zombie-vcu Yes] || [https://store.evtv.me/products/generalized-electric-vehicle-control-unit-gevcu-version-7?_pos=1&_sid=597515b42&_ss=r Yes] || No || 2023-02
|-
|-
| In Stock || Yes || Yes || || 2023-02
| Price inc. VAT + shipping + enclosure || 350€ || 1500€ || ~80€ || 140€
|-
|-
| External connector pins || 56 || ? || ? || 56
| External connector pins || 56 || || 48 || 56
|-
|-
| External connector pin size (A) || 5A? || ? || ? || 5A?
| External connector pin size (A) || 5A? || ? || 6A/12A || 5A?
|-
|-
| Primary use case || Inverter control including Toyota || CAN inverter control, logging || Outlander inverter || Power distribution, I/O extension
| Primary use case || Inverter control including Toyota || CAN inverter control, logging || Outlander inverter || Power distribution, I/O extension
Line 22: Line 54:
| Software platform || libopeninv || Arduino || Arduino || Arduino
| Software platform || libopeninv || Arduino || Arduino || Arduino
|-
|-
| External configuration interface || Wifi || Bluetooth, Wifi, USB serial || Example || USB serial, TTL serial
| External configuration interface || Wifi || Bluetooth, Wifi, USB serial || ? || USB serial, TTL serial
|-
|-
| Configuration format || Parameter list || ? || Arduino sketch || Arduino sketch
| Configuration format || Parameter list || ? || Arduino sketch, ready-made || Arduino sketch, template
|-
|-
| Out-of-the box supported inverter brands || OpenInverter, Nissan, Toyota, Lexus, Outlander? || DMOC, CODA, Brusa, PM100, C300 || Outlander || None
| Out-of-the box supported inverter brands || OpenInverter, Nissan, Toyota, Lexus, Outlander? || DMOC, CODA, Brusa, PM100, C300 || Outlander || None
|-
|-
| MCU family || STM32F1 || iMXRT1062 || ? || AVR
| Official companion modules || No || No || aot93's BMS and dash || No
|-
|-
| Flash || ? || 16MB || ? || 32kB
| MCU family || STM32F107 || iMXRT1062 || iMXRT1062(Teensy) || AVR
|-
|-
| RAM || ? || 1024kB || ? || 2kB
|CPU
|72 MHz
|600 MHz
|600 MHz
|
|-
| Flash ||256 kB || 16MB || 16MB || 32kB
|-
| RAM ||64 kB || 1024kB || 1024kB || 2kB
|-
| Supply voltage range ||  ||  ||  || 8...16V
|-
| Standby mode description ||  ||  ||  || 6mA running Arduino sketch at slow clock speed
|-
| Buses || 3x CAN, 1x Toyota, 1x LIN, 1x RS232? || 3x CAN || ? || 2x CAN
|-
| Number of inputs || 10? || 12 || ? || 14
|-
| Analog inputs (including throttle and external NTC channels) || 6? || 8 || ? || 5
|-
| PWM inputs ||  ||  ||  || 2
|-
| Additional special inputs || ? || ? || ? || 12V battery voltage monitoring
|-
| Signal PWM outputs || 1? ||  ||  || 0
|-
| Power PWM outputs (low / high side, A) || 3x L ?A ||  ||  || 4x L 3A
|-
| Low-side power outputs, total A || 5A? (limited by ground pin) || 16A || ? || 20A
|-
| Low-side power outputs, count || 9? || 8 || ? || 10
|-
| High-side power outputs, total A || ? || ? || ? || 15A
|-
| High-side power outputs, count || ? || ? || ? || 10
|-
| Analog outputs || 2x AC coupled, 2x digital resistors || ? || ? || 2x 0-500mA low side slow
|-
| Sensor power outputs || 5V || 5V 700mA, 3.3V 400mA || ? || 5V 500mA
|-
| Outputs readable as inputs ||  ||  ||  || 8
|-
| Customizable jumpers/resistors || 0? || ? || ? || 32
|-
| Used in projects (links) || [https://www.youtube.com/c/Evbmw/videos Pretty much everything Damien does] ||  ||  || [https://openinverter.org/forum/viewtopic.php?p=51531#p51531 celeron55's Omega]
|}
|}


VCU Comparison draft by celeron55 (move this stuff to the table):
- RAM:
    - ipdm: 2kB
    - gevcu7: 1024kB
- Supply voltage range:
    - ipdm: 8...16V
- Standby mode description:
    - ipdm: 6mA running Arduino sketch at slow clock speed
- Buses:
    - ipdm: 2x CAN
    - zombie: 3x CAN, 1x Toyota, 1x LIN, 1x RS232?
    - gevcu7: 3x CAN
- Number of inputs:
    - ipdm: 14
    - zombie: 10?
    - gecvu7: 12
- Analog inputs (including throttle and external NTC channels):
    - ipdm: 5
    - zombie: 6?
    - gevcu7: 8
- PWM inputs:
    - ipdm: 2
- Additional special inputs:
    - ipdm: 12V battery voltage monitoring
- Signal PWM outputs:
    - ipdm: 0
    - zombie: 1?
- Power PWM outputs (low / high side, A):
    - ipdm: 4x L 3A
    - zombie: 3x L ?A
- Low-side power outputs, total A / count:
    - ipdm: 20A / 10x
    - zombie: 5A (limited by ground pin) / 9x?
    - gevcu7: 16A / 8x
- High-side power outputs, total A / count
    - ipdm: 15A / 10x
- Analog outputs:
    - ipdm: 2x 0-500mA low side slow
    - zombie: 2x AC coupled, 2x digital resistors
- Power outputs readable as inputs:
    - ipdm: 8
- Simultaneous customizable jumpers/resistors:
    - ipdm: 32
    - zombie: 0?
TODO:


- Add johu's vcu
[[Category:VCU]]
- Add other VCUs that have been used by people on the openinverter forums
- Fill in missing info
- Add links

Latest revision as of 11:29, 12 June 2024

A VCU can mean many things, but for the purposes of this page, a VCU means any programmable 12V controller that is designed or found to be useful in an EV conversion.

While "Primary use case" tells you what these controllers are intended for, the other fields tell you what they're capable of when configured or re-programmed for your use case.

In the spirit of open source, controllers with open source features are added leftmost on the table.

To-do

Add open source VCUs:

Add closed source VCUs:

The comparison table

VCU Comparison
Comparison ZombieVerter GEVCU7 Mini-E-VCU iPDM56v1.1
Open source software (link) Yes Yes Yes Yes
Open source hardware (link) Yes No Yes No
Schematics and board layouts (link) Yes No Yes Yes
In stock (link) Yes Yes No 2023-02
Price inc. VAT + shipping + enclosure 350€ 1500€ ~80€ 140€
External connector pins 56 48 56
External connector pin size (A) 5A? ? 6A/12A 5A?
Primary use case Inverter control including Toyota CAN inverter control, logging Outlander inverter Power distribution, I/O extension
Software platform libopeninv Arduino Arduino Arduino
External configuration interface Wifi Bluetooth, Wifi, USB serial ? USB serial, TTL serial
Configuration format Parameter list ? Arduino sketch, ready-made Arduino sketch, template
Out-of-the box supported inverter brands OpenInverter, Nissan, Toyota, Lexus, Outlander? DMOC, CODA, Brusa, PM100, C300 Outlander None
Official companion modules No No aot93's BMS and dash No
MCU family STM32F107 iMXRT1062 iMXRT1062(Teensy) AVR
CPU 72 MHz 600 MHz 600 MHz
Flash 256 kB 16MB 16MB 32kB
RAM 64 kB 1024kB 1024kB 2kB
Supply voltage range 8...16V
Standby mode description 6mA running Arduino sketch at slow clock speed
Buses 3x CAN, 1x Toyota, 1x LIN, 1x RS232? 3x CAN ? 2x CAN
Number of inputs 10? 12 ? 14
Analog inputs (including throttle and external NTC channels) 6? 8 ? 5
PWM inputs 2
Additional special inputs ? ? ? 12V battery voltage monitoring
Signal PWM outputs 1? 0
Power PWM outputs (low / high side, A) 3x L ?A 4x L 3A
Low-side power outputs, total A 5A? (limited by ground pin) 16A ? 20A
Low-side power outputs, count 9? 8 ? 10
High-side power outputs, total A ? ? ? 15A
High-side power outputs, count ? ? ? 10
Analog outputs 2x AC coupled, 2x digital resistors ? ? 2x 0-500mA low side slow
Sensor power outputs 5V 5V 700mA, 3.3V 400mA ? 5V 500mA
Outputs readable as inputs 8
Customizable jumpers/resistors 0? ? ? 32
Used in projects (links) Pretty much everything Damien does celeron55's Omega
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