ESD02A3V3R25V Circuit Protection

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Mixed technology is an increasingly popular approach for designing TVS, as it allows for a hybrid of multiple technologies to be employed in the same product or system, while still providing adequate protection against voltage transients. This approach can offer increased protection capabilities, improved manufacturability, and increased cost efficiency, even in compact or otherwise complex designs. One example of a mix technology approach is the ESD02A3V3R25V, which combins ESD protection with TVS protection. The purpose of this document is to describe the application field and working principle of the ESD02A3V3R25V.

The ESD02A3V3R25V is a three channel protection device, designed to help protect analog lines, digital lines, and power supply lines, from transient overvoltage or electrostatic discharge. The device features bi-directional ESD protection for analog lines, ESD protection for digital lines, and TVS protection for power supply lines. The device can operate over a wide temperature range, from -55 to 125 Celsius, and offers a wide operating voltage range, from 2.6V to 5.5V. The protection is provided by an array of low capacitance ESD diodes and an LTV324TVS array, which makes it ideal for use in a variety of industrial and automotive applications.

The LTV324TVS array consists of four independantly programmable TVS diodes that are connected in a bridge configuration. The output voltage of the series is determined by the sum of the forward voltage drops of the diodes. The protection voltage can be adjusted over a wide range, from 6V all the way up to 27V. The device can also be programmed to operate in either a single pulse or series pulse configuration. In single pulse mode, the device is triggered by a single voltage spike, while in series pulse mode, the device can be programmed to respond to multiple short duration transients. This allows for increased protection capability, even in harsh environments.

The ESD02A3V3R25V is also designed to quietly absorb and dissipate any energy it has absorbed while providing protection. The combination of the low capacitance ESD diodes and the LTV324TVS array together allows the device to provide extremely high levels of protection, while maintaining low leakage current and low capacitance. This makes the device particularly useful in high voltage applications, where low losses are desired.

In conclusion, the ESD02A3V3R25V combines the protection capabilities of multiple technologies to provide an effective and efficient solution for protecting analog, digital, and power supply lines from overvoltage and electrostatic discharge. Its combination of low capacitance ESD diodes and LTV324TVS array make it an ideal choice for a variety of industrial and automotive applications.

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