Product · Revision 0.4

scVCU

General purpose prototyping vehicle control unit

A prototyping vehicle control unit with autocoding capability: 16 analogue inputs and 4 digital inputs, two full-bridge, four low-side and four high-side power outputs, six CAN FD channels, all on an 8–30 V supply.

16× analogue inputs2 / 4 / 4 power outputs6× CAN FD up to 5 Mbps8–30 V supply
scVCU vehicle control units on the workshop benchscVCU units on the bench
Specifications

I/O and electrical data

scVCU 2022 · Revision 0.4.

CPU

  • Cortex-M7 @ 550 MHz + Cortex-M4 @ 170 MHz

Inputs

  • 16× single-ended analogue, 0–5 V
  • Inputs 1 to 5: 2nd-order filter, cut-off @ −3 dB = 483 Hz
  • Inputs 5 to 8: 2nd-order filter, cut-off @ −3 dB = 15 kHz
  • Inputs 9 to 16: 1st-order filter, cut-off @ −3 dB = 543 Hz
  • 4× digital-in, clamped
  • Internal 3-axis accelerometer and 3-axis gyro

Outputs

  • 2× full-bridge: 2.8 A continuous (7.1 A peak), max 30 V, current feedback on each ground leg, HW overcurrent and over-temperature protection
  • 4× low-side: 5 A continuous (7 A peak), max 30 V, current feedback, SW overcurrent protection
  • 4× high-side: 5 A continuous (14 A peak), max 30 V, current feedback, HW open-load and short-circuit detection
  • 4× digital-out 0–5 V, max current 20 mA

Communication interfaces

  • 6× CAN FD up to 5 Mbps
  • Optional Ethernet module

Supply

  • Logic supply: 8–30 V
  • HSD/HB supply: 8–30 V

Sensor supply

  • 2× 5 V supply rails, max 150 mA each — short-circuit and temperature protected, voltage monitoring
  • 12 V supply rail, max 300 mA — short-circuit and temperature protected, voltage monitoring

Operating range

  • Temperature: −40 °C to +85 °C

Connectors

  • 2× TE AMP Superseal 34-pin — COD 1 and COD 2, pin-out below
Connector pin-out 2× TE AMP Superseal 34-pin — COD 2 and COD 1

COD 2 · TE 4-1437290-1

34POS, SUPERSEAL, REC HSG ASSY, SLD, COD 2

PinFunction
1VBATT
2ETH – WHT/GREEN
3ETH – GREEN
4CAN5L
5CAN4H
6CAN1H
7CAN2H
8CAN6H
9GND (Power)
10GND (Power)
11GND (Power)
12GND (Power)
13CAN5H
14CAN4L
15CAN1L
16CAN2L
17CAN6L
18ETH – WHT/ORNG
19ETH – ORNG
20DIGOUT4
21DIGOUT1
22DIGOUT2
23DIGOUT3
24CAN3H
25CAN3L
26HB2B
27HB2A
28HB1A
29HB1B
30LSD1
31LSD2
32VBATTHB
33VBATTHB
34VBATTHB

COD 1 · TE 4-1437290-0

34POS, SUPERSEAL, REC HSG ASSY, SLD, COD 1

PinFunction
1DIGIN1
2ANA1
3ANA2
4ANA3
5ANA4
6ANA5
7ANA6
8ANA8
9ANA7
10LSD3
11ANA10
12GND (Sensor)
13GND (Sensor)
14GND (Sensor)
15SENSOR5V1
16SENSOR5V2
17ANA11
18LSD4
19ANA9
20DIGOUT2
21ANA12
22ANA14
23GND (Sensor)
24ANA13
25SENSOR12V
26HSD1
27LIN
28HSD2
29DIGIN3
30HSD3
31DIGIN4
32HSD4
33ANA16
34ANA15