UCS1003-1-BP-TR Microchip

UCS1003-1/2/3 USB Port Power Controller with Charger Emulation Features Description Port Power Switch with Two Current Limit Behaviors: The UCS1003-1/2/3 family of devices provides a USB - 2.9V to 5.5V source voltage range port power switch for precise control of up to 3.0A - Up to 3.0A current (2.85A typical) with 55 m continuous current (2.85A typical) with Overcurrent on resistance Limit (OCL), dynamic thermal management, latch or - Overcurrent trip or Constant-Current Limiting auto-recovery (low test current) Fault handling, select- - Soft turn-on circuitry able active-high or active-low enable, Undervoltage - Selectable current limit and Overvoltage Lockout, backdrive protection and - UCS1003-1 has programmable current limit via 2 back-voltage protection. the SMBus 2.0/I C protocol - Dynamic thermal management Split supply support for V and V is an option for low S DD - Undervoltage Lockout (UVLO) and Overvoltage power in system standby states. This gives battery- Lockout (OVLO) operated applications (such as on-board computers) the - Backdrive, back-voltage protection ability to detect attachments from a Sleep or OFF state. - Latch or auto-recovery (low test current) Fault handling After the Attach Detection is flagged, the system can - Selectable active-high or active-low power decide to wake-up and/or provide charging. switch enable - BC1.2 V discharge port renegotiation function In addition to Power Switching and Current-Limiting BUS Selectable/Automatic Cycling of Universal Serial Bus modes, the UCS1003-1/2/3 will automatically charge a (USB) Data Line Charger Emulation Profiles: wide variety of portable devices, including USB-IF - USB-IF BC1.2 Charging Downstream Port (CDP) BC1.2, YD/T-1591 (2009), most Apple Inc., Samsung, and Dedicated Charging Port (DCP) modes, RIM and many others. Nine preloaded charger emula- Chinese Telecommunications Industry Standard tion profiles maximize the compatibility coverage of the YD/T 1591-2009 and most Apple Inc., peripheral devices. Additionally, a customizable Samsung and RIM protocols standard charger emulation profile is available in UCS1003-1 to - UCS1003-1 supports other charger emulation 2 accommodate unique existing and future portable profiles as defined via the SMBus 2.0/I C protocol device handshaking/signature requirements. - Supports 12W charging emulation - USB 2.0 compliant high-speed data switch (in The UCS1003-1 also provides current monitoring to Data Pass-Through, SDP and CDP modes) allow intelligent management of system power and - Nine preloaded charger emulation profiles for charge rationing for controlled delivery of current, regard- maximum compatibility coverage of the less of the host power state. This is especially important peripheral devices for battery-operated applications that want to provide - UCS1003-1 has one custom programmable power and do not want to drain the battery excessively. charger emulation profile for portable device support for fully host-controlled charger emulation The UCS1003-1/2/3 family is available in a Supports Active Cables 4 mm x 4 mm 20-pin QFN package. UCS1003-1 Supports Self-Contained Current Monitoring and Rationing for Power Allocation Applications Applications UCS1003-1 and UCS1003-3 have Low-Power Attach Detection and Open-Drain (A DET ) Pin Notebook and Netbook Computers UCS1003-2 has Charging Active (CHRG ) Tablets and E-Book Readers Open-Drain Pin Desktops and Monitors Ultra Low-Power Sleep State Optional Split Supply Support for V and V for S DD Docking Stations and Printers Low Power in System Standby States AC-DC Wall Adapters Wake on Attach USB (UCS1003-1 and UCS1003-3) 2 UCS1003-1 Supports SMBus 2.0/I C Communications: - Supports block write and read - Multiple SMBus addresses Wide Operating Temperature Range: -40C to +85C IEC61000-4-2 8/15 kV Electrostatic Discharge (ESD) Immunity UL Recognized and EN/IEC 60950-1 (CB) Certified 2014-2015 Microchip Technology Inc. DS20005346B-page 1UCS1003-1/2/3 Package Type UCS1003-1 UCS1003-2 4x4 QFN* 4x4 QFN* 20 19 18 17 16 20 19 18 17 16 M1 D D 1 15 M1 1 15 MIN MIN D D M2 2 14 M2 14 PIN 2 PIN EP EP 13 V 13 ALERT V ALERT 3 21 3 21 BUS1 BUS1 12 S0 V 12 SMCLK/S0 V 4 4 BUS2 BUS2 LATCH 11 SMDATA/LATCH 11 COMM SEL/I I 5 5 LIM LIM 6 789 10 67 8 9 10 UCS1003-3 4x4 QFN* 20 19 18 17 16 M1 D 1 15 MIN D M2 2 14 PIN EP 13 ALERT V 3 21 BUS1 12 S0 V 4 BUS2 LATCH 11 I 5 LIM 67 89 10 * Includes Exposed Thermal Pad (EP) see Table 3-1. DS20005346B-page 2 2014-2015 Microchip Technology Inc. SEL GND V EM EN S1 V A DET S2 D V POUT DD D PWR EN MOUT SEL GND V EM EN S1 A DET V S2 D V POUT DD D PWR EN MOUT SEL GND V EM EN S1 V CHRG S2 D V POUT DD D PWR EN MOUT