Features

• Port power switch with two current limit behaviors 2.9 V to 5.5 V source voltage range Up to 2.5 A current with 55 mΩ On Resistance Over-current trip or constant current limiting Soft turn-on circuitry Programmable current limit Dynamic thermal management Under- and over-voltage lockout Back-drive, back-voltage protection Latch or auto-recovery (low test current) fault handling Selectable active high or low power switch enable BC1.2 VBUS discharge port renegotiation function
• 2.9 V to 5.5 V source voltage range
• Up to 2.5 A current with 55 mΩ On Resistance
• Over-current trip or constant current limiting
• Soft turn-on circuitry
• Programmable current limit
• Dynamic thermal management
• Under- and over-voltage lockout
• Back-drive, back-voltage protection
• Latch or auto-recovery (low test current) fault handling
• Selectable active high or low power switch enable
• BC1.2 VBUS discharge port renegotiation function
• Selectable / automatic cycling of USB data line charger emulation profiles Employs unique method and system for sampling multiple profiles1 USB-IF BC1.2 charging downstream port (CDP) & dedicated charging port (DCP) modes, YD/T-1591, and most Apple and RIM protocols standard; others as defined via the SMBus 2.0 / I2C® protocol USB 2.0 compliant high-speed data switch (in Data Pass-through, SDP, and CDP modes) Nine preloaded charger emulation profiles for maximum compatibility coverage of peripheral devices One custom programmable charger emulation profile for portable device support for fully host controlled charger emulation
• Employs unique method and system for sampling multiple profiles1
• USB-IF BC1.2 charging downstream port (CDP) & dedicated charging port (DCP) modes, YD/T-1591, and most Apple and RIM protocols standard; others as defined via the SMBus 2.0 / I2C® protocol
• USB 2.0 compliant high-speed data switch (in Data Pass-through, SDP, and CDP modes)
• Nine preloaded charger emulation profiles for maximum compatibility coverage of peripheral devices
• One custom programmable charger emulation profile for portable device support for fully host controlled charger emulation
• Self-contained current monitoring and rationing for power allocation applications
• Low power Attach Detection and open-drain A_DET# pin
• Ultra low power Sleep state
• Optional split supply support for VBUS and VDD for low power in system standby states
• Wake on Attach USB
• Alert on reset
• SMBus 2.0 / I2C communications Supports Block Write and Read Multiple SMBus addresses
• Supports Block Write and Read
• Multiple SMBus addresses
• Wide operating temperature range: -40 °C to +85 °C

Parameter