ES5392.1 High Current Switch Board (6-CH) - User’s Guide
38
Signals
ETAS
The ECU can be connected at the connector X4 Power I/O at MRC_IN.
In LABCAR Operator, it is possible to define via RTIO which battery nodes depend
on the main relay and whether the MRC signal is high-active or low-active.
The current can be adjusted via the RTIO.
Fig. 3-7
Logic for MRC function
The pin assignment of X4 Power I/O is located in Tab. 4-4 on page 46.
Technical Data of MRC Input.
Tab. 3-2
Technical data of MRC input
Main relay input
Data
Input voltage
0 V to 60 V
Input current
0 mA -150 mA
Accuracy
3 mA
Galvanic isolation
yes
Overvoltage protection
up to +/- 60 V
ECU
ES5392
+VBAT
0-150mA
MRC_In
>6V?
FPGA
-VBAT
ES5392
-VBAT
>6V?
ECU
+VBAT
0-150mA
FPGA
MRC_In
Main Relais, Pull-Up Configuration
Main Relais, Pull-Down Configuration
ECU with
Open Collector
ECU with
Open Emitter