UCS81003 Datasheet | Microchip Technology

Features - Port Power Switch with Two Current Limit Behaviors - 2.9V to 5.5V Source Voltage Range - Up to 3.0A Current (2.85A typical) with 55 m on Resistance - Overcurrent Trip or Constant Current Limiting - Soft Turn-On Circuitry - Programmable Current Limit - Dynamic Thermal Management - Undervoltage and Overvoltage Lockout - Back-Drive, Back-Voltage Protection - Latch or Auto-Recovery (Low Test Current) Fault Handling - Selectable Active-High or Active-Low Power Switch Enable - BC1.2 VBUS Discharge Port Renegotiation Function - Selectable/Automatic Cycling of Universal Serial Bus (USB) Data Line Charger Emulation Profiles - USB-IF BC1.2 Charging Downstream Port (CDP) and Dedicated Charging Port (DCP) modes, Chinese Telemunications Industry Standard YD/T 1591-2009 and most Apple® Inc. and RIM® Protocols Standard; others as defined via the SMBus 2.0/I2C Protocol - Supports 12W Charging Emulation - USB 2.0 pliant High-Speed Data Switch (in Data Pass-Through, SDP and CDP modes) - Nine Preloaded Charger Emulation Profiles for Maximum patibility Coverage of the Peripheral Devices - One Custom-Programmable Charger Emulation Profile for Portable Device Support for Fully Host-Controlled Charger Emulation - Supports Active Cables - 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 VS and VDD for Low-Power in System Standby States - Wake on Attach USB - SMBus 2.0/I2C munications - Supports Block Write and Read - Multiple SMBus Addresses - Wide Operating Temperature Range: -40°C to +85°C - IEC61000-4-2 8/15 k V Electrostatic Discharge (ESD) Immunity - Passes Automotive AEC-Q100 Reliability Testing General Description The UCS81003 provides a USB port power switch for precise control of up to 3.0A continuous current (2.85A typical) with Overcurrent Limit (OCL), dynamic thermal management, latch or auto-recovery (low-test...