Power Supply - Cardo Systems PRO1 User Manual

Power supply

Function
Power from Battery - Li Ion
Power form 3 AAA Alkaline
Power form 3 AAA NiMH
Power form 2 AA Alkaline
Power form 2 AA NiMH
USB power on reset initiator -
USB Vbus
Initial power to initiate "on" to
connect to MFB
VCC to operate the buttons
Pin In/Out
signal
J2 pin 12 I
J2 pin 9 I
J3 pin 3 O
J3 pin 7 O
Min Typ Max
2.9 3.8 4.2
3V 3.9 4.5
3V 3.6 4.2
2V 2.6 3
2V 2.4 2.8
4.2 5 5.75
Per J2 pin 12
3.2 3.3 3.6
Unit
V
V
V
V
V
V
V
12 | P a g e