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AWRL6432: Any risk to use TPS62902-Q1 to company with AWRL6432?

James Austrial
Expert 4070 points
Part Number: AWRL6432
Other Parts Discussed in Thread: TPS62902-Q1, , TPS628502-Q1

Tool/software:

Hi,

May I have your feedbacks regarding to use TPS62902-Q1 to company with AWRL6432?
https://www.ti.com/lit/ds/symlink/tps62902-q1.pdf

Customer want to use TPS62902-Q1 to replace TPS628502-Q1.

Did you see any risk?

  • 0
    TI__Expert 4190 points

    Hi James,

    The maximum supported switching frequency of the TPS62902-Q1 device is 2.5MHz only and it does not support spread spectrum clocking. The switching frequency can get detected as ghost object. So,we recommend the higher switching frequency such as 3.5MHz to 4MHz. In order to minimize switching frequency and its harmonics falling into radar baseband, spread spectrum clocking (SSC) on DC DC Regulator could be enabled. For more details on how to select DC DC component selection, please refer the below image or the AWRL6432 hardware design checklist (Component selection tab): https://www.ti.com/lit/zip/spradl1

    Thanks.