Features- Dual-Port Power Switches:
3.0A continuous current per VBUS port with 40 mΩ 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, 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
A_DET# open-drain outputs for device attach detection per port
- 3.0A continuous current per VBUS port with 40 mΩ 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, 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
- A_DET# open-drain outputs for device attach detection per port
- 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
- Eight programmable current limits assignable to each power switch
- Other SMBus addresses available upon request
- Block read and block write
- 4x4 mm 20-pin QFN
- Self-contained current monitoring (no external sense resistor required)
- Fully programmable per-port charge rationing and behaviors
- Per-port BC1.2 VBUS Discharge Function
- -40°C to +105°C
| Parameter
Parameter Name
Value
| Value |
Description
Dual USB Port Power Switch with Current Sensor
|
Dual USB Port Power Switch with Current Sensor
|
USB Port Power Switch
2
|
2
|
8 Resistor Set Current Limits
Up to 3.2A
|
Up to 3.2A
|
Attach Detection Output
yes
|
yes
|
Interface
I2C/SMBus
|
I2C/SMBus
|
Current Measurement
yes
|
yes
|
|