Part Number: TIDA-01238 Hello,
I am implementing a circuit based on this. For most of our products we have to survive short to 16V and short to GND.
https://www.ti.com/lit/ug/tiducf3/tiducf3.pdf?ts=1623177006152&ref_url=https%253A%252F%252Fwww.google.com…
Part Number: TIDA-01238 Hi!
I'd like to make TIDA-01238 . I downloaded gerber and other files but I couldn't find the NC drill file which is needed to make PCB.
Can you give it to me please?
Thanks, George
Hi Kazuya-san,
The below reference design goes over two methods of using selectable termination in CAN designs. The concept and execution will be identical in an RS-485 implementation. Let me know if this is what is needed for the current design consideration…
Part Number: THVD1449V Other Parts Discussed in Thread: THVD1454 , THVD1424 , TVS1401 Hi
We've got an upcoming RS485 Design. Our requirements for this interface are:
500Kbps RS485
Half Duplex
IEC61000-4-5 Level 2 (8/20us test: 1KV / 42 ohms)
Selectable…
Hi Stanley, Using three 120-ohm resistors in parallel may not be problematic in some cases, but the CAN devices may have trouble driving a dominant signal since the resistors will be sinking greater amounts of current. If three resistors must be used,…
Other Parts Discussed in Thread: TIDA-01238 Hello, everybody, i want to make the termination resistor selectable for a can transceiver. I have seen the referencedesing for an isolated input. There, a photo transistor from Toshiba is used to select the terminating…
Other Parts Discussed in Thread: TIDA-01238 , TRS3223E , MAX3221E Hi
I would like to have RS232 and RS485 can be choice by GPIO circuit.
I find this in TI http://www.ti.com/lit/ug/tidua80/tidua80.pdf .
If I let B short to Z, A short to Y, one 120ohm between…
Part Number: SN65HVD72 Other Parts Discussed in Thread: TIDA-01238 We wish to implement software selectable termination using the circuit below.
The problem is, when voltage transients appear on the CAN bus, this could change the voltage level on the…
Hi Ben,
You can find a detailed description of the operation of this circuit here:
www.ti.com/.../TIDA-01238
Basically, a dual FET (CSD87502Q2) is used to enable the 120-Ohm termination when the FETs are on and disable it when the FETs are off. (Two…
Hi Michael,
The following reference design shows a couple of different approaches for implementing software-controlled termination:
www.ti.com/.../TIDA-01238
It uses CAN as an example, but the same approaches could work for RS-485 or RS-422 as well…