SC20-W_Manual_R1.0 Confidential / Released 27 / 41
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 8: Absolute Maximum Ratings
Parameter
Min.
Max.
Unit
VBAT
-0.5
6
V
USB_VBUS
-0.5
16
V
Voltage on Digital Pins
-0.3
2.3
V
6.2.
Power Supply Ratings
Table 9: SC20-W 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
USB_VBUS
USB detection
4.35
5.0
6.3
V
VRTC
Power supply
voltage of backup
battery
2.0
3.0
3.25
V
