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TPS3899-Q1: TPS3899DL31DSERQ1

Part Number: TPS3899-Q1

Hi Team,


In our circuit design featuring the Voltage Supervisor (TPS3899DL31DSERQ1), we've set the undervoltage threshold to 3.1V. However, during RF data transmission, the voltage drops below this threshold, triggering the interrupt connected to the MCU. This interruption causes the transmission to abort. RF transmissions can last up to 10ms. We're exploring two potential solutions: increasing capacitance at the CTS pin to delay the reset interrupt by at least 10ms, or masking the interrupt during RF transmission.

Could you please specify the exact value of the capacitor that can be used to give a higher delay time for reset?

Could you please suggest if there are any other better options so that the interrupt is not triggered during the joining processes that involves transmission and reception.