Texas Instruments ESD122 ESD Protection Diode

Texas Instruments ESD122 ESD Protection Diode is a bidirectional TVS ESD protection diode array for USB Type-C™ and HDMI 2.0 circuit protection. The ESD122 is rated to dissipate contact ESD strikes at the maximum level specified in the IEC 61000-4-2 international standard (17kV Contact, 17kV Air-gap). This device features a low IO capacitance per channel and pin-out to suit symmetric differential high-speed signal routing. This feature makes the device ideal for protecting high-speed interfaces up to 10Gbps, such as USB 3.1 Gen2 and HDMI 2.0. The low dynamic resistance and clamping voltage ensure system-level protection against transient events. The Texas Instruments ESD122 is also an ideal ESD solution for the USB Type-C Tx/Rx lines. Since the USB Type-C connector has two layers, using a 4-channel ESD device requires VIAs, which degrade the signal integrity. Four ESD122 (2-Ch) devices minimize the number of VIAs and simplify the board layout.

Features

  • IEC 61000-4-2 Level 4 ESD protection
    • ±17kV contact discharge
    • ±17kV air gap discharge
  • Withstands over 10,000 ESD strikes per IEC 61000-4-2 Level 4 (Contact) without any performance degradation
  • IEC 61000-4-4 EFT protection
    • 80A (5/50ns)
  • IEC 61000-4-5 surge protection
    • 2.5A (8/20µs)
  • Low IO capacitance
    • 0.1pF (typical) between IOs
    • 0.2pF (typical) IO to GND
  • 5.1V (minimum) DC breakdown voltage 
  • 10nA (maximum) ultra-low leakage current 
  • Low ESD clamping voltage (8.4V at 5A TLP)
  • Supports high-speed interfaces that exceed 10Gbps
  • –40°C to +125°C industrial temperature range 
  • Type C friendly two-channel flow-through routing package
  • Pin-out to suit symmetric differential high-speed signal routing
  • Two different package options
    • 0402 package, 0.6mm × 1mm, 0.34mm pitch
    • 0502 package, 0.6mm × 1.32mm, 0.5mm pitch

Applications

  • Interfaces
    • USB Type-C
    • HDMI 2.0/1.4
    • USB 3.1 Gen 2/Gen1, USB 3.0, and USB 2.0
    • Thunderbolt-1 and Thunderbolt-2
    • Display Port 1.3
    • PCI Express 3.0
    • SATA
  • End equipment
    • Mobile and tablets
    • Laptops and desktops
    • Set-top boxes
    • TV and monitors
    • Servers

USB Type C Application Example

Texas Instruments ESD122 ESD Protection Diode
Publicado: 2017-08-02 | Actualizado: 2022-06-14