Electrical Characteristic And Reliability; Absolute Maximum Ratings - Quectel EC21 Series Hardware Design

5
Electrical Characteristic and
Reliability

5.1. 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 42: Absolute Maximum Ratings
Parameter
VBAT_RF/VBAT_BB
USB_VBUS
Peak Current of VBAT_BB
Peak Current of VBAT_RF
Voltage at Digital Pins
Voltage at ADC0
Voltage at ADC1
EC21_Series_Hardware_Design
Min.
-0.3
-0.3
0
0
-0.3
0
0
LTE Standard Module Series
Max.
4.7
5.5
0.8
1.8
2.3
VBAT_BB
VBAT_BB
Unit
V
V
A
A
V
V
V
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