STX Electrical – Power Supply Requirements

Power Supply Requirements

Pin Name	Pin Count	Nominal Voltage	Range	Tolerance	Max. Current
VCC	17	5V	4.75–5.25V	5%	3.5A
VCC3	16	3.3V	3.135–3.465V	5%	3.5A
V_SB	2	5V	4.75–5.25V	5%	0.5A
V_BAT	1	2. 7V	2.8–3.6V	–10% +20%	5µA
GND	45	—	—	—	—

According to the plug / receptacle specification, maximal current rating per pin is 0.5A.

The maximum power allowed for any STX Module is 15 Watts and represents the total power drawn from all power rails provided at the connectors.

Updated 01/Nov/2001