VND5E050MCKTR-E datasheet(29/40 Pages) STMICROELECTRONICS

Part #	VND5E050MCKTR-E

Description	Double-channel high-side driver with analog current sense for automotive applications

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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29 / 40 page

VND5E050MCJ-E, VND5E050MCK-E

Package and PCB thermal data

Doc ID 022514 Rev 2

29/40

4.2

PowerSSO-24 thermal data

Figure 36.

PowerSSO-24 PC board

1.

Layout condition of Rth and Zth measurements (PCB: double layer, Thermal vias,

FR4 area = 77 mm x 86 mm, PCB thickness =1.6 mm, Cu thickness =70 µm (front and back side), Copper

areas: from minimum pad lay-out to 8 cm2).

Figure 37.

Rthj-amb vs PCB copper area in open box free air condition (one channel

on)

30

35

40

45

50

55

02

46

8

10

RTHj_amb(°C/W)

PCB Cu heatsink area (cm^2)

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