SLIC protection

AN2456

10/15

Figure 10 shows the setup used to perform lightning tests in longitudinal mode. To perform

lightning tests in metallic mode, the set up is similar except that one of the wires (TIP or

RING) is connected to ground and the surge is applied only on the other wire.

Figure 10.

Lightning measurement set up for longitudinal tests

Figure 11.

+800 V - 100 A (2/10 µs) - Metallic on ring - ringing mode

I Surge

TIP

RING

LCP1521S

SLIC

STLC3055N

-Vbat

TIP

RING

TCP500mA

220 nF

TCP500mA

50

Ω

50

Ω

Lightning

Generator

Oscilloscope

Current probe

Voltage probe

VTip

VRing

EUT

10

Ω

10

Ω

-Vbat

Ring

Gen

0