Auto power down /Auto power down plus

The difference is in the timing before deactivation.

Auto Powerdown just waits for the receiver pins to be inactive for 30us.

Auto Powerdown plus waits for 30s.

Shu-Ceng,

Here is a little more detail.

The difference is in the timing before deactivation.

Auto Powerdown just waits for the receiver pins to be inactive (unpowered or unplugged) for 30us.

Auto Powerdown plus waits for 30s; but will also shutdown when there are no changes on any DIN or RIN (for 30 seconds).

Hi Andrew, Ron

Thanks for your kindly reply.

I've another question at TRS3243E.

For now we have use competitor Intersil ISL4241EIR (QFN32),

Without changing the premise of layout, We would like use TRS3243EIRHBR

We have check the pin out betwen Intersil/ TI, they are different at PIN 20/21/22

ISL4241 pin 20/21/22 are R1outB/ SHDN/ EN, TRS3243E are INVALID/ FORCE OFF/ FORCE ON.

At used ISL4241 design, Pin20 floating, Pin21 tied to 5V, Pin 22 tied to GND.

We think we could use the same setting at TRS3243E but we wrong, it's no working.

We not sure what's missing? could you help provide experience for us? Thanks!