UCS2112
USB Dual-Port Power Switch and Current Monitor
Features
• Dual-Port Power Switches:
- 2.
9V to 5.
5V source
voltage range
- 3.
0A continuous current per VBUS port with 40 m 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
- Under
voltage and over
voltage 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
- A_DET# open-drain outputs for device attach detection per port
• SMBus 2.
0/I2C™ Mode Features:
- Eight programmable current limits...