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LMP8646: ST alternative

Lillian Liu(SH)
Expert 4620 points

Part Number: LMP8646
Other Parts Discussed in Thread: TIOL112, TIOL221,

Tool/software:

Hi team，

We have request for Analog Digital Terminati for this project. Do you have similar part to recommend? Current my customer use ST : PCLT2A74.

Thanks

Lillian 

  • 0
    Guru 325330 points

    You probably want an IO-Link transceiver like the TIOL112 or TIOL221: ti.com/interface/io-link-digital-ios/products.html

  • 0
    TI__Mastermind 25765 points

    Lillian, 

    Thanks for using E2E!

    I had a look and I cannot find a part with this part number. I did find the PCLT-2AT4, which is a digital terminator as you call out above. I agree with Clemens that the IO-Link Transceiver products will probably be a better fit here. The LMP8646 has current limiting features, but this is only a small sub-block in this mixed technology device. I am going to transfer this thread to the appropriate team to get their thoughts on a potential part here. 

  • 0 in reply to Carolus Andrews
    TI__Mastermind 37271 points

    Hi Lillian,

    The TIOL IO-Link transceivers are not equivalent to the PCLT devices and there are many differences.  One of these differences is with the current limit range.  I see the PCLT datasheet range of approximately 3 to 7.5mA.  The TIOL devices have current limit range that is typically between 50 to 300mA.

    Please review the TIOL112 or TIOL221 datasheets to see if the features are even remotely close to the needs of the customer.

    Regards,

    Jonathan