TPS2500 - Texas Instruments

TPS2500 INTEGRATED USB POWER SWITCH

The TPS2500 and TPS2501 provide an integrated solution to meet USB 5-V power requirements from a 1.8-V to 5.25-V input supply. The features include a Hi-Speed USB compliant power output, output switch enable, current limit, and overcurrent fault reporting. The 1.8-V to 5.25-V input can be supplied by sources including dc/dc regulated supplies (e.g., 3.3 V), .

Features

1
•23 Integrated Synchronous Boost Converter and USB Current-Limit Power Switch
• Light-Load, High-Efficiency Eco-mode™ Control Scheme (TPS2500) or Constant Frequency (TPS2501)
• 1.8-V to 5.25-V Input Voltage (2.2-V Minimum Start-Up Voltage)
• Adjustable USB Current Limit
  – 130 mA to 1400 mA (Typical)
• Accurate 20% Current Limit at 1.4-A Setting
• Powers up to Two Standard USB Ports
• Auxiliary 5.1-V Output
• Fast Overcurrent-Response Time
  – 5 ms Typical
• Small 3-mm × 3-mm × 0.9-mm SON-10 Package
• 15-kV / 8-kV System-Level ESD Capable
• UL Listed - File No. E169910 TYPICAL APPLICATION CIRCU.