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:
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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.
The following:
Figure 1-1 and Figure 1-2 show the loaded test and open test configurations, respectively. Figure 1-3 shows the EVM schematic with protection and testing modifications.