AN4444 datasheet(6/68 Pages) STMICROELECTRONICS

6 / 68 page

List of figures

AN4444

6/68

DocID025925 Rev 2

Figure 40.

Differential mode disturbances protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Figure 41.

Output level on PRIME LISN measurement port with EVALKITST7590-Q1 . . . . . . . . . . . 50

Figure 42.

Example of stencil openings for the QFN48 package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Figure 43.

PCB copper dissipating area on top layer (left) and bottom layer (right)

for the ST7590 reference design board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Figure 44.

Packet-fragmented transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Figure 45.

Measured ST7590 thermal impedance curve (typical) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Figure 46.

Simulation model of the thermal impedance ZthJA of the ST7590

mounted on the reference design board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 47.

Example of power supply EMI input filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 48.

3-phase isolated zero crossing coupling circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Figure 49.

3-phase non-isolated zero crossing coupling circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 50.

PCB layout - components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Figure 51.

PCB layout - top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Figure 52.

PCB layout - bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

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