power protection
11.1 48V DC power surge protection scheme
Advantages of the scheme: it is used to meet the surge protection of 48V DC power supply interface, and TVS device with appropriate protection current is selected according to the environment of the power supply
It meets IEC61000-4-2, grade 4, contact discharge 8KV, air discharge 15KV. If it is required to meet IEC61000-4-5 high surge level
High power SMC devices shall be selected for the test.


