Product Info

LTE Module Series
EG91 Hardware Design
EG91_Hardware_Design 67 / 93
6 Electrical, Reliability and
RadioCharacteristics
6.1. Absolute Maximum Ratings
Absolute maximum ratings for power supply and voltage on digital and analog pins of the module are
listed in the following table.
Table 29: Absolute Maximum Ratings
Parameter Min. Max. Unit
VBAT_RF/VBAT_BB -0.3 4.7 V
USB_VBUS -0.3 5.5 V
Peak Current of VBAT_BB 0 0.8 A
Peak Current of VBAT_RF 0 1.8 A
Voltage at Digital Pins -0.3 2.3 V
6.2. Power Supply Ratings
Table 30: Power Supply Ratings
Parameter Description Conditions Min. Typ. Max. Unit
VBAT
VBAT_BB and
VBAT_RF
The actual input voltages
must stay between the
minimum and maximum
values.
3.3 3.8 4.3 V