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AWR2243BOOST: 2243 does not update temperature when running cascading at high duty cycle

Part Number: AWR2243BOOST

Hello,

I have noticed something really strange when trying to log the temperature of cascaded MMICs at high duty cycle (~90%). The chip is super hot, but the temperature measured by TPR12 remained the same as the initial temperature. I was using the API rlRfGetTemperatureReport() to achieve the temperatures. My best guess is that reading temperature is a low-priority task, which was preempted by the busy chirping task. Thus temperature was never updated in the memory location.

Plus, to further explain the high cycle, I understood that for a single MMIC the duty cycle should not exceed 50%, but for cascaded ones the overall summed duty cycle could reach around 90%. 

First thing first, please confirm my guess, or provide any reasonable explanations/fixes. Second, I would like to ask about potential compromises of high duty cycle.