产品特性

• 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

技术参数