All Questions
10
questions
0
votes
1
answer
92
views
Do I need to connect a resistor at the output of an isolated DC-DC converter module?
I am using D050505S-1WR3 in my design for powering an isolated CAN transceiver. The can transceiver is the ISO1042BDWV from TI.
Below is the schematic of the power supply and CAN transceiver.
During ...
- 2,593
1
vote
1
answer
44
views
EMC and Control Area Networks [closed]
With radiated EMI tests, do we need to take into account the communication cabling and its influence on EMI?
I can't seem to find one standard that describes how CAN busses should be configured in EMI ...
- 187
0
votes
4
answers
86
views
Layout guidelines for TCAN1043DRQ1
I am using TCAN1043DRQ1 in my design.
May I know what are the layout guidelines I need to follow.
I checked the datasheet it. It does not say anything about layout guidelines. It tells more about ...
- 2,593
4
votes
0
answers
152
views
Is there an antenna problem with CAN Bus selectable split termination header pin?
I am trying to implement a jumper-selectable CAN Bus termination with a SPLIT configuration, as shown in this Analog Devices example:
https://www.analog.com/media/en/technical-documentation/user-...
- 355
5
votes
3
answers
405
views
VDD pin is opposite from GND pin. Which layout is more effective for decoupling and grounding?
I am aware of some basic goals of a decoupling and grounding layout: Reduce EMI by minimizing overall power-GND high-frequency current loop area, minimize ground inconsistency by reducing impedance to ...
- 355
-1
votes
1
answer
330
views
CANBUS troubleshooting
I'm currently having some trouble communicating my motors to a Speedgoat real-time target machine.
Setup:
My current setup includes the Speedgoat IO691 (CANBUS) module (https://www.speedgoat.com/...
- 1
0
votes
1
answer
84
views
How can a remote oximeter meet the standards of EMC?
An oximeter is a sensor commonly used in medical applications where one needs to retrieve the oxygen saturation of a patient. The reference MAX86141 from Maxim Integrated is one of them :
https://www....
- 659
0
votes
0
answers
124
views
How to "clean" a DC brushed motor : noise on CANbus even without moving!
We have very odd problem with a DC brushed geared motor that we are driving with a classical H-bridge chopper (20kHz PWM at the moment). The motor kinda looks like a Mabuchi from an R/C car but with ...
- 445
0
votes
1
answer
84
views
CAN - Tranceiver @ 5V VS Tranceiver @ 3V3 Immunity
I would like to change a 5V CAN transceiver on my board into a 3V3 CAN transceiver. Nevertheless as I am clearly not a specialist of the CAN protocol, I am afraid of doing a big mistake ! I think it ...
- 2,478
1
vote
1
answer
1k
views
Overloading of ESD protection diode on CAN lines through current during Bulk current injection - test
I have a design checklist question for a typical CAN circuit for an automotive application as below :
The question is related to the ESD suppressor : "Was a capacitor parallel to the diode considered, ...
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