TPS92630EVM ESD Test Report

Abstract

This application note presents ESD contact discharge test results for the TPS92630EVM, 3-channel LED driver, and demonstrates how ISO 10605 standards can be met for this device.

Automotive industry in-vehicle use cases:

Illuminate driver for driver monitoring systems (DMS)
Power supply for indicator LED in side mirror in blind spot detection applications

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1 Introduction

A fully-compliant ESD chamber and equipment is used for this testing to conduct the following testing conditions.

The TPS92639EVM was protected with the ESD2CAN24-Q1, an automotive dual-ESD protection diode, soldered on the LED driver signal output and the LED loads of the evaluation module.

1.1 Test Conditions

The following:

Disconnected from power supply
Contact discharge:
- ±8 kV, 150 pF at 0.33 kΩ
- ±15 kV, 330 pF at 2 kΩ
- ±25 kV, 330 pF at 2 kΩ
Three discharges with a 3-second interval
Loaded and open configuration