Because of its simple structure and convenient assembly, multi axis aircraft have become more and more close to our lives. With the development of MEMS sensor, micro controller, motor and battery technology and the popularity of multi axis aircraft has become small without cutting-edge power in human. Until today, multi axis aircraft has been applied to various fields, such as military applications, police chase, disaster search and rescue, geographical survey, power line inspections, film shooting, etc..

In real life, when the multi axis vehicle is used by users, the multi axle aircraft can be inexplicably damaged, so the EMC reliability of the multi axle vehicle must be highly valued. To solve these problems, from the electronic Limited by Share Ltd FAE has put forward a corresponding surge and electrostatic solutions.

A power part hot swap surge protection program
Multi axis aircraft generally use about 12V battery power supply, the current is relatively large, to reach a few amps, when the 12V power interface for hot plug, will produce a relatively large surge current, that is, CDE events. Surge current often power management IC breakdown, so there needs to be added for the transient transient suppression diode clamp, to protect the rear power management function of IC.

Two, motor part of the reverse EMF protection program
Multi axis aircraft through frequent control of multiple motor speed and positive inversion to achieve forward and backward, takeoff and landing and other functions, the reversible motor deceleration or prone to reverse electromotive force or transient over-voltage phenomenon, it is easy to drive MOS motor breakdown, so it requires the addition of transient suppression diodes are transient clamp, play a protective role of MOS.

Three, USB and other external interface electrostatic protection program
Multi axis aircraft due to frequent contact with people, it is easy to produce electrostatic discharge phenomenon, when the weather is dry, the electrostatic voltage will be higher, so the need for multi axis aircraft ESD immunity test, must conform to IEC61000-4-2 standards. Static test, need to contact discharge on the bare metal interface, the other part of the air discharge testing, so for the USB interface, SD card interface, multi axis vehicle GPS antenna interface, buttons and so you need to join the ESD electrostatic protection device of electrostatic protection.