7.1 Overview

The TPD4E002 is a four-channel TVS protection diode array. The TPD4E002 is rated to dissipate contact ESD strikes of ±15 kV, beyond Level 4 as specified in the IEC 61000-4-2 international standard. This device has an 11-pF I/O capacitance per channel, making it ideal for use in data I/O interfaces of up to 100 MHz.

7.2 Functional Block Diagram

7.3 Feature Description

The TPD4E002 is a TVS that provides ESD protection for up to four channels, withstanding up to ±15-kV contact ESD per IEC 61000-4-2 and 2.5-A peak pulse current per IEC 61000-4-5. The monolithic technology yields exceptionally small variations in capacitance between any I/O pin of the TPD4E002. The small footprint is ideal for applications where space-saving designs are important.

7.4 Device Functional Modes

The TPD4E002 device is a passive integrated circuit that triggers when voltages are above V_BR or below the diodes V_F of approximately –0.5 V. During ESD events, voltages as high as ±15-kV contact ESD can be directed to ground through the internal diodes. Once the voltages on the protected line fall below the trigger levels of TPD4E002 (usually within tens of nano seconds) the device reverts to its high-impedance state.