USB Type-C SuperSpeed Active Switch


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Block Diagram

PTN36043 Block Diagram

PTN36043 Block Diagram


  • 2 bidirectional differential channel, 2 : 1 multiplex/demultiplexer switch, supports USB 3.1 Gen 1 specification (SuperSpeed only)
  • Compliant to SuperSpeed USB 3.1 Gen 1 standard
  • Pin out data flow matches USB Type-C connector pin assignments
  • Two control pins for each channel to select optimized signal conditions
    • Receive equalization on each channel to recover from InterSymbol Interference (ISI) and high-frequency losses, with provision to choose equalization gain settings per channel
    • Transmit de-emphasis on each channel delivers pre-compensation suited to channel conditions
    • Output swing adjustment
  • Integrated termination resistors provide impedance matching on both transmit and receive sides
  • Automatic receiver termination detection
  • Low active power: 203 mW/113 mA (typical) for VDD = 1.8 V
  • Power-saving states:
    • 1.35 mW/0.75 mA (typical) when in U2/U3 states
    • 0.81 mW/0.45 mA (typical) when no connection detected
  • Excellent differential and common return loss performance
    • 14 dB differential and 15 dB common-mode return loss for 10 MHz to 1250 MHz
  • Flow-through pinout to ease PCB layout and minimize crosstalk effects
  • Power supply: VDD = 1.8 V (typical)
  • Compliant with JESD 78 Class II latch up test standard
  • Very thin DHX2QFN18 package: 2.4 mm x 2.0 mm x 0.35 mm, 0.4 mm pitch
  • ESD protection exceeds 7000 V HBM per JDS-001-2012 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
  • Operating temperature range: -40°C to +85°C

Design Resources

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