SC20-A_Manual_R1.0 Confidential / Released 23 / 49
7
Electrical, Reliability and Radio
Characteristics
7.1. Absolute Maximum Ratings
Table 14: Absolute Maximum Ratings
Parameter
Min.
Max.
Unit
VBAT
-0.5
6
V
USB_VBUS
-0.5
16
V
Peak Current of VBAT
0
3
A
Voltage on Digital Pins
-0.3
2.3
V
7.2. Power Supply Ratings
Table 15: SC20 Module Power Supply Ratings
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
VBAT
VBAT
Voltage must stay within the
min/max values, including
voltage drop, ripple and spikes.
3.5
3.8
4.2
V
Voltage drop
during transmitting
burst
Maximum power control level
on EGSM900.
400
mV
I
VBAT
Peak supply
current (during
transmission slot)
Maximum power control level
on EGSM900.
1.8
3.0
A
Absolute maximum ratings for power supply and voltage on digital and analog pins of the module are
listed in the following table.