Maximum ratings are the extreme limits to which the chip can be exposed for a limited amount of time without permanently damaging it. Exposure to absolute maximum ratings for prolonged periods of time may affect the reliability of the device.

Table 1. Absolute maximum ratings
Min. Max. Unit
Supply voltages
VBAT -0.3 4.5 V
IOVDD -0.3 3.6 V
I/O pin voltage
VI/O, IOVDD ≤3.3 V -0.3 IOVDD + 0.3 V
VI/O, IOVDD >3.3 V -0.3 3.6 V
BUCKEN -0.3 VBAT + 0.3 V
Radio
RF input level -10 dBm
Environmental QFN package
Storage temperature -40 125 °C
Moisture Sensitivity Level (MSL) 2
ESD Human Body Model (HBM) 750 V
ESD Charged Device Model (CDM) 1000 V
Environmental WLCSP package
Storage temperature -40 125 °C
Moisture Sensitivity Level (MSL) 1
ESD Human Body Model (HBM) 750 V
ESD Charged Device Model (CDM) 500 V