0 function, 0 schematic profile – Bplus U3EX User Manual
Page 4

USB3.0 Fixture Board User’s Manual
Page 3
FAE2009U3EX_02 ©2009 Bplus Technology
3.0 Function
z
Test connector for all of signal and power pins
z
LED indicates power status
z
Over-current protection with power switch IC
z
Alternative Output Voltage: 5v to 5v/3.3v
z
Voltage can be tested conveniently and directly
z
Current can be tested conveniently and directly
z
External power supply support
4.0 Schematic
profile
1. IC1 can work as short and over load protection. When external load current
is larger than 500mA, or short output, it will perform protection function.
Meanwhile, LED D3 (R) will show on for warning function.
2. IC2 is a voltage converter with 5V input and 3.3V output.