User's Manual

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.