UCS2114
USB Dual-Port Power Switch and Current Monitor
Features Description Dual-Port Power Switches:
-2.9V to 5.5V source voltage range
-3.0A continuous current per VBUS port with
18 mпЃ— On resistance per switch
-Independent port power switch enable pins
-DUAL fault ALERT# active drain output pins
-Constant Current or Trip mode current
limiting behaviors
-Undervoltage and overvoltage lockout
-Back-drive, back-voltage protection
-Auto-recovery fault handling with low test
current
-BOOST# logic output to increase DC-DC
converter output under large load conditions SMBus 2.0/I2C Mode Features:
-Eight programmable current limits assignable
to each power switch
-Other SMBus addresses available upon
request
-Block read and block write Self-Contained Current Monitoring (No External
Sense Resistor Required) Fully Programmable Per-Port Charge Rationing
and Behaviors Configurable Per-Port BC1.2 VBUS Discharge …