MXLPLAD15KP170CAE3

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TVS – Diodes are devices that help protect sensitive electronics from environmental hazards. The MXLPLAD15KP170CAE3 is a TVS - Diode that offers advanced overvoltage protection with a low capacitance and high ESD performance.

Applications

Primarily, MXLPLAD15KP170CAE3 is used in automotive electronic systems, especially those that are exposed to serious danger from electrical overstress (EOS). This device has been designed to protect automotive electronics against transient voltage spikes and extremely high temperatures, both of which are typical in vehicles. Applications include engine control electronics, infotainment systems, body electronics, navigation systems, airbag control units, and other components that are exposed to EOS events. It is particularly suitable for Li-ion battery protectors, allowing for the safe activation and deactivation of power circuits. MXLPLAD15KP170CAE3 also reduces cross-talk from high frequency signals, which helps to minimise board space and improve system performance.

Working Principle of MXLPLAD15KP170CAE3

The MXLPLAD15KP170CAE3 is an ESD-clamp diode designed with its own internal ESD filter capacitor. When a transient voltage spike passes through the diode, the device reacts to the current flow caused by the surge and then clamps it at a safe voltage. This allows for the protection of connected electronics. For its performance, the diode has an ultra-low capacitance of 15pF, a low clamping voltage of 14.4V (1D) or 18V (1C), and an ESD performance of 2kV (HBM). These numbers indicate that the diode offers a low risk of catastrophic failure in high-voltage transient events.

Moreover, the device has low junction capacitance which helps reduce parasitic capacitance. This feature provides improved signal level performance and enables easier design of circuits with faster switching times. The diode is also designed with an integrated transient suppression filter that reduces noise on a power and signal line in addition to providing ESD protection. This filter improves signal integrity and hence a better overall performance.

In addition, the device is suitable for reverse-battery protection. When connected to a battery source circuit, the MXLPLAD15KP170CAE3 can protect automotive battery lines from shorting. The device has been designed to be able to safely swap the power source’s polarity and still prevent destructive short circuits. This is especially useful for Li-ion battery protection circuits.

Finally, the MXLPLAD15KP170CAE3 has an excellent voltage hold-off capability. This feature enables the diode to clamp excessive voltages of up to 18V without breaking down. This makes it an ideal choice for automotive systems as the diode working capability remains unaffected even in extreme EOS events.

In short, the MXLPLAD15KP170CAE3 is a specialized TVS – Diode designed for overvoltage protection of automotive electronics. It offers excellent ESD suppression and EOS protection capabilities along with low junction capacitance and a low-clamp voltage of 18V. Furthermore, it has integrated reverse-battery protection and an excellent voltage hold-off capability that make it a good choice for Li-ion battery protection circuits and other applications in automotive systems.

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