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PGA460-Q1: IO PIN transient suppression

Xiao Zhu2
Expert 3215 points
Part Number: PGA460-Q1

Hello Team

There are many resistor and capacitor at the IO pin and the value is so big.  The large value will affect the  signal edge. So the question is whether the circuit has been verified. If degress the value, will the transient test will  be failed?

  • 0
    TI__Mastermind 27950 points
    Hello Xiao,

    The IO pi-filter values have been validated with the Time Command Interface (TCI) mode of communication on the IO pin. This pi-filter is recommended primarily for automotive system level testing of the ultrasonic module to pass Bulk Current Injection (BCI), Electromagnetic Compatibility (EMC), and Electrostatic Discharge (ESD) testing. The values may need to be modified when using One-Wire UART beyond 19.2kBaud.