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VNH5180A-E
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P31
Package
and PCB th
ermal data
VNH5180A-E
22/31
Doc ID 17074
Rev 6
4
Package and PCB therm
al dat
a
4.1
PowerSSO-36 thermal dat
a
Figure 15.
PowerSSO-36™ PC board
Double layers: footprint
Double layers: 2cm
2
of Cu
Double layers: 8cm
2
of Cu
Not
e:
Board
finis
h thickne
ss 1.6 mm +
/- 1
0 %, Bo
ard do
uble laye
rs, Boar
d dimen
sion
129 mm x
60 mm
, Board
Materia
l FR4, C
u
thickn
ess 0.070 m
m (fr
ont and ba
ck side),
Ther
mal vias space
d on a
1.2 mm x
1.2 mm
grid, Vias pad cle
arance
thickne
ss
0.2 mm
, Ther
mal via d
iamete
r 0.3 m
m +/- 0
.08 mm
, Cu thi
ckness
on vias 0
.025 m
m.
VNH518
0A-E
Package and P
CB thermal d
ata
Doc ID 1
7074 Re
v 6
23/31
Figure 16.
Chipset configuration
Figure 17.
Auto and mutual R
thj-amb
vs PCB copper area in open box free air
condition
4.1.1
Thermal calculation in
clockw
ise
and anti-clockw
ise operation in
steady-st
ate mode
CHIP 1
R
thA
CHIP 2
CHIP 3
R
thB
R
thC
R
thAB
R
thAC
R
thBC
0
10
20
30
40
50
60
70
80
01
234
567
89
cm
2
of
Cu Ar
e
a (r
e
fe
r
to
PCB
la
yout
)
°C
/
W
Rth
A
Rth
B =
Rth
C
Rth
AB = RthAC
Rth
BC
T
able 18.
T
hermal cal
culation in
clockw
ise and a
nti-cl
ockwise o
perati
on in stead
y-
st
ate mod
e
HS
A
HS
B
LS
A
LS
B
T
jHSA
B
T
jLSA
T
jLSB
ON
OFF
OFF
ON
P
dHSA
x R
thHS
+ P
dLSB
x R
thHSLS
+ T
amb
P
dHSA
x R
thHS
LS
+
P
dLSB
x R
thLSLS
+ T
amb
P
dHSA
x R
thHS
LS
+ P
dLSB
x R
thLS
+ T
amb
OFF
ON
ON
OFF
P
dHSB
x R
thHS
+ P
dLSA
x R
thHSLS
+ T
amb
P
dHSB
x R
thHS
LS
+
P
dLSA
x R
thLS
+ T
amb
P
dHSB
x R
thHS
LS
+ P
dLSA
x R
thLS
LS
+ T
amb
Package
and PCB th
ermal data
VNH5180A-E
24/31
Doc ID 17074
Rev 6
4.1.
2
T
her
mal ca
lcul
ati
on in
trans
ient m
ode
T
hs
= P
dhs
• Z
hs
+ Z
hsls
• (P
dlsA
+ P
dlsB
) + T
amb
T
lsA
= P
dlsA
• Z
ls
+ P
dhs
• Z
hsls
+ P
dlsB
• Z
hsls
+ T
amb
T
lsB
= P
dlsB
• Z
ls
+ P
dhs
• Z
hsls
+ P
dlsA
• Z
hsls
+ T
amb
Figure 18.
Detailed chip
set configuration
Equation 1: pulse calculation formula
where
CHIP 1
Z
ts
CHIP 2
CHIP 3
Z
ls
Z
ls
Z
hsls
Z
hsl
s
Z
lsl
s
Z
TH
δ
R
TH
δ
Z
THtp
1
δ
–
()
+
⋅
=
δ
t
p
T
⁄
=
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P31
VNH5180A-E
Mfr. #:
Buy VNH5180A-E
Manufacturer:
STMicroelectronics
Description:
Motor / Motion / Ignition Controllers & Drivers Automotive H-Bridge 180mOhm 8A 41V VCC
Lifecycle:
New from this manufacturer.
Delivery:
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