USB Type-C 28V EPR Port Protector for CC and SBU Pins


  • Thunderbolt™ compatible
  • Overvoltage Protection
    • 32VDC Tolerance on CC1/2, SBU1/2
    • CC1/2 OVP = 5.8V
    • SBU1/2 OVP = 4.8V
    • Fast 70ns Response Time
  • IEC61000-4-5 Surge Protection
    • ±40V Surge Tolerance on CC1/2
    • ±30V Surge Tolerance on SBU1/2
  • IEC61000-4-2 ESD Protection
    • ±15kV air gap on CC1/2, SBU1/2
    • ±8kV contact on CC1/2, SBU1/2
    • ±2kV HBM on all pins (JEDEC JS-001-2017)
  • CC Switches:
    • 1.25A, 270mΩ, 40pF, 140MHz
    • Automatic 5.1kΩ dead battery pull-down
  • SBU Switches:
    • 3Ω, 11pF, 800MHz
  • 2.5V to 5.5V Operating Supply Voltage Range
  • -40°C to 85°C Operating Temperature Range
  • 16-bump WLCSP 1.7mmx1.7mm (0.4mm pitch)
  • 20 pin TQFN 3mmx3mm (0.4mm pitch)
  • P2P upgrade of KTU1121A for 28V EPR
  • RoHS and Green Compliant


  • Notebook PCs, Netbooks, Tablets, Monitors, TVs
  • Gaming Devices, Set-Top Boxes, Networking

Key Electrical Specifications

Vin (V) Protects Protection Switches Package Package Size (L x W)
CC1/2 SBU1/2 OVP Surge ESD rDS Cap
2.5 – 5.5 √ OVP=5.8V √ OVP=4.8V +32V in
< 70ns
CC1/2 = ±40V
SBU1/2 = ±30V
Air: ±15kV
Contact: ±8kV
CC = 0.27Ω
SBU = 3Ω
CC = 40pF
SBU = 11pF
1.7 x 1.7mm
3.0 x 3.0mm

Typical Application Diagram