LTE Standard Module Series
EG91 Series Hardware Design
EG91_Series_Hardware_Design 67 / 106
6 Electrical, Reliability and Radio
Characteristics
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 be kept between the
minimum and maximum
values.
3.3 3.8 4.3 V
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