UCS1003-1/2/3
USB Port Power Controller with Charger Emulation
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 - Selectable current limit - UCS1003-1 has programmable current limit via the SMBus 2.
0/I2C protocol - Dynamic thermal management - Under
voltage Lockout (UVLO) and Over
voltage Lockout (OVLO) - Backdrive, 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
• Sel...