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TS5A23159: What is the maximum continuous on state current that TS5A23159 can carry?

khodidas ghinaiya
Intellectual 660 points
Part Number: TS5A23159

Hello,

In the data-sheet of TS5A23159, there are three terms for current.


(1) On state switch current = +/- 200mA

(2) On state peak switch current = +/-400mA

(3) Continuous current through VCC (ICC) = 100mA

My understanding is that , when switch is turned ON, it can carry maximum of 200mA in either direction, continuous.

It can also handle peak of 400mA for 1 mili second pulse with < 10% duty cycle.

I am bit confusion with terms ICC which is 100mA. I assume that it has nothing to do with ON state current carrying capacity.

If source and load at both end of switch are able to send and receive 200mA current, continuous, this switch will work for my application.

Correct me if my understanding is wrong.

Regards,

khodidas

  • 0
    TI__Mastermind 45340 points

    Khodidas,

    My understanding is that , when switch is turned ON, it can carry maximum of 200mA in either direction, continuous.

    Correct.

    It can also handle peak of 400mA for 1 mili second pulse with < 10% duty cycle.

    Correct

    I am bit confusion with terms ICC which is 100mA. I assume that it has nothing to do with ON state current carrying capacity

    This spec is referencing current that could flow through the ESD protection diodes that would get forward biased if the voltage on the I/O pins is > 0.5 + Vcc.

    You may send 200mA of DC continuous current through Vcc.

     

    Thank you,

    Adam

  • 0 in reply to Adam Torma
    Intellectual 660 points

    Hello Adam,

    Thanks for your inputs.

    One last question.

    Just want to make sure that 200mA continuous capacity, for ON state current is per switch. i.e. if I have kept both switch ON (COM1-NO1, COM2-NO2), each of them can carry 200mA at same time. 

    Regards,

    khodidas

  • 0 in reply to khodidas ghinaiya
    TI__Mastermind 45340 points

    Khodidas,

    You are correct, the 200mA current rating is per switch.  You may pass 200mA through both COM1-NO1 and COM2-NO2 at the same time.

    Thank you,

    Adam