SLVSC77D August   2013  – April 2016 TPD2E1B06

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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7 Detailed Description

7.1 Overview

The TPD2E1B06 is a bidirectional, low-capacitance, two-channel ESD clamping device. It has more than IEC 61000-4-2 Level 4 ESD Rating. The low IO capacitance makes the device a good fit for a wide range of data speeds. Common applications include USB 2.0, LVDS, and I2C.

7.2 Functional Block Diagram

TPD2E1B06 sch_lvsc77.gif

7.3 Feature Description

The TPD2E1B06 device provides robust system level IEC protection. This device protects circuit from ESD strikes up to ±10-kV contact and ±15-kV air-gap specified in the IEC 61000-4-2 level 4. It also handles up to
2.5-A surge current (IEC61000-4-5 8/20 µs). The I/O capacitance of 0.85 pF supports high data rates. The device has a small dynamic resistance of 0.9 Ω, making clamping voltage low when the device is actively protecting other circuits. With low capacitance and dynamic resistance, the TPD2E1B06 is a good fit for interfaces like USB 2.0, LVDS, and I2C. The breakdown is bidirectional so that this protection device is especially good for bidirectional signals like audio lines. Low leakage allows the diode to conserve power when working below the VRWM. The temperature range of –40°C to 125°C makes this ESD device work at extensive temperatures in most environments.

7.4 Device Functional Modes

The TPD2E1B06 is a passive clamp that has low leakage during normal operation when the voltage across each channel is below VRWM and activates when the it goes above VBR. During IEC ESD events, transient voltages will be clamped. When the voltages on the protected lines fall below the trigger voltage, the device reverts back to the low-leakage passive state.