Application Example - Fujitsu MB3842 Datasheet

APPLICATION EXAMPLE

(1) Dual-Port Self-Powered Hub Application (NON-GANG Mode Connection)
USB 5 V Controller
Overcurrent
ON/OFF
Power Supply
5 V
*The MB3842 can also be adapted for use with 3.3V controllers.
USB Port 500mA MAX Par Port
Smoothing capacitors should be placed between V
MB3842/MB3845
MB3842/MB3845
GND
EN1,EN1
SS1 OC1
OUT1
CS1
VIN1 OUT1
OUT1
VIN1
OUT2
VIN2
OUT2
VIN2
OUT2
CS2
SS2 OC2
GND
EN2,EN2
and GND, or between OUT and GND as required.
IN
USB
Port 1
USB
Port 2
15