power limitation
– Very low standby current
– 3.0 V CMOS compatible input
– Optimized electromagnetic emission
– Very low electromagnetic susceptibility
– In compliance with the 2002/95/EC
European directive
■ Diagnostic functions
– Open drain status output
– On-state open load detection
– Off-state open load detection
– Thermal shutdown indication
■ Protections
– Undervoltage shutdown
– Overvoltage clamp
– Output stuck to V
– Load current limitation
– Self limiting of fast thermal transients
– Protection against loss of ground and loss
■ All types of resistive, inductive and capacitive
loads
Description
The VND5050K-E and VND5050J-E are
monolithic devices made using
STMicroelectronics VIPower M0-5 technology.
they are intended for driving resistive or inductive
loads with one side connected to ground. Active
V
pin voltage clamp protects the devices
CC
against low energy spikes (see ISO7637 transient
compatibility table). The devices detect open load
condition both in on and off-state, when
STAT_DIS is left open or driven low. Output
shorted to V
When STAT_DIS is driven high, STATUS pin is in
high impedance state.
Output current limitation protects the devices in
overload condition. In case of long overload
duration, the devices limit the dissipated power to
a safe level up to thermal shutdown intervention.
Thermal shutdown with automatic restart allows
the devices to recover normal operation as soon
as fault conditions disappear.
Table 3.Suggested connections for unused and not connected pins
PowerSSO-24
Connection/pinSTATUSN.C.OUTPUTINPUTSTAT_DIS
FloatingXXXXX
To groundN.R.
1. Not recommended.
(1)
XN.R.
Through 10KΩ
resistor
Through 10KΩ
resistor
6/37 Doc ID 12266 Rev 6
Page 7
VND5050J-E / VND5050K-EElectrical specifications
2 Electrical specifications
Figure 3.Current and voltage conventions
I
S
V
CC
V
CC
Fn
V
I
SD
V
SD
I
INn
INPUTn
V
INn
Note:V
Fn
= V
OUTn
- V
during reverse battery condition.
CCn
2.1 Absolute maximum ratings
Stressing the device above the rating listed in the “Absolute maximum ratings” table may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the Operating sections of
this specification is not implied. Exposure to the conditions in table below for extended
periods may affect device reliability. Refer also to the STMicroelectronics SURE Program
and other relevant quality document.
Table 4.Absolute maximum ratings
SymbolParameterValueUnit
GND
OUTPUTnSTAT_DIS
STATUSn
I
GND
I
OUTn
I
STATn
V
STATn
V
OUTn
V
- V
- I
I
OUT
- I
I
STAT
I
STAT_DIS
E
DC supply voltage41V
CC
Reverse DC supply voltage0.3V
CC
DC reverse ground pin current200mA
GND
DC output currentInternally limitedA
Reverse dc output current 15A
OUT
DC input current+10 / -1mA
I
IN
DC status current+10 / -1mA
DC status disable current+10 / -1mA
Maximum switching energy
MAX
(L=3mH; RL=0Ω; V
=13.5V; T
bat
jstart
=150ºC; I
OUT
= I
limL
(Typ.))
104mJ
Doc ID 12266 Rev 67/37
Page 8
Electrical specificationsVND5050J-E / VND5050K-E
Table 4.Absolute maximum ratings (continued)
SymbolParameterValueUnit
Electrostatic discharge (Human Body Model: R=1.5KΩ;
C=100pF)
– Input
ESD
– Status
V
–STAT_DIS
– Output
–V
CC
V
Charge device model (CDM-AEC-Q100-011)750V
ESD
T
Junction operating temperature-40 to 150°C
j
4000
4000
4000
5000
5000
V
V
V
V
V
T
Storage temperature- 55 to 150°C
stg
2.2 Thermal data
Table 5.Thermal data
SymbolParameter
R
thj-case
R
thj-amb
Thermal resistance junction case (max)
(with one channel on)
Thermal resistance junction ambient
(max)
2.3 Electrical characteristics
8V<VCC<36 V; -40 °C<Tj<150 °C, unless otherwise specified.
.
Table 6.Power section
SymbolParameterTest conditionsMin.Typ. Max.Unit
V
V
USD
V
USDhyst
Operating supply voltage4.51336V
CC
Undervoltage shutdown3.54.5V
Undervoltage shutdown
hysteresis
Value
Unit
PowerSSO-12PowerSSO-24
2.82.8°C/W
See Figure 32See Figure 36°C/W
0.5V
I
R
On-state resistance
ON
(2)
I
I
V
clamp
Clamp voltageIS=20mA414652V
Off-state; V
S
Supply current
I
VIN=V
On-state; V
I
8/37 Doc ID 12266 Rev 6
=2A; Tj=25°C
OUT
=2A; Tj=150°C
OUT
=2A; VCC=5V; Tj=25°C
OUT
=13V; Tj=25°C;
CC
OUT=VSENSE=VCSD
=13V; VIN=5V;
CC
=0A
OUT
=0V
50
mΩ
100
mΩ
65
mΩ
(1)
(1)
5
2
3
6µAmA
Page 9
VND5050J-E / VND5050K-EElectrical specifications
Table 6.Power section (continued)
SymbolParameterTest conditionsMin.Typ. Max.Unit
I
L(off1)
I
L(off2)
V
Off-state output
current
Off-state output
current
Output - VCC diode
F
voltage
(2)
(2)
(2)
VIN=V
=25°C
T
j
VIN=V
=125°C
T
j
VIN=0V; V
-I
OUT
=0V; VCC=13V;
OUT
000.013
=0V; VCC=13V;
OUT
=4V-750
OUT
5
=4A; Tj=150°C0.7V
1. PowerMOS leakage included.
2. For each channel.
Table 7.Switching (VCC=13V; Tj= 25°C)
SymbolParameterTest conditionsMin.Typ. Max. Unit
dV
dV
t
d(on)
t
d(off)
OUT
OUT
W
W
/dt
/dt
ON
OFF
Turn-on delay time RL= 6.5Ω (see Figure 5)20µs
Turn-off delay time RL= 6.5Ω (see Figure 5)40µs
Turn-on voltage slopeRL= 6.5Ω See Figure 22V/µs
(on)
Turn-off voltage slopeRL= 6.5Ω See Figure 24V/µs
(off)
Switching energy losses
during t
won
Switching energy losses
during t
woff
RL= 6.5Ω (see Figure 5)0.21mJ
RL= 6.5Ω (see Figure 5)0.28mJ
µA
Table 8.Status pin (VSD=0V)
SymbolParameterTest conditionsMin.Typ.Max.Unit
V
STAT
I
LSTAT
C
STAT
V
Status low output
voltage
Status leakage current
Status pin input
capacitance
Status clamp voltage
SCL
= 1.6 mA, VSD=0V0.5V
I
STAT
Normal operation or V
= 5V
V
STAT
SD
=5V,
Normal operation or VSD=5V,
V
= 5V
STAT
= 1mA
I
STAT
I
STAT
= -1mA
5.5
-0.7
10µA
100pF
7V
V
Doc ID 12266 Rev 69/37
Page 10
Electrical specificationsVND5050J-E / VND5050K-E
Table 9.Protections
(1)
SymbolParameterTest conditionsMin.Typ.Max.Unit
I
limH
I
limL
T
TSD
T
T
RS
T
HYST
t
SDL
V
DEMAG
V
ON
1. To ensure long term reliability under heavy overload or short circuit conditions, protection and related
diagnostic signals must be used together with a proper software strategy. If the device is subjected to
abnormal conditions, this software must limit the duration and number of activation cycles.
DC short circuit current
Short circuit current
during thermal cycling
Shutdown temperature150175200°C
Reset temperature
R
Thermal reset of STATUS135°C
Thermal hysteresis
(T
TSD-TR
)
Status delay in overload
conditions
Turn-off output voltage
clamp
Output voltage drop
limitation
VCC=13V
5V<VCC<36V
=13V
V
CC
TR<Tj<T
T
I
OUT
I
OUT
T
TSD
(see Figure 4)20µs
j>TTSD
=2A; VIN=0; L=6mH
= 0.1A;
= -40°C...+150°C
j
(see Figure 6)
121824
24
7A
TRS + 1TRS + 5
7°C
VCC-41VCC-46VCC-52
25mV
A
A
°C
V
Table 10.Openload detection
SymbolParameterTest conditionsMin.Typ.Max.Unit
I
OL
t
DOL(on)
Openload on-state
detection threshold
Openload on-state
detection delay
= 5V,8V<VCC<18V10
V
IN
I
= 0A, VCC=13V
OUT
(see Figure 4)
See
Figure 19
70mA
200µs
Delay between INPUT
t
POL
falling edge and STATUS
rising edge in Openload
= 0A (see Figure 4)2005001000µs
I
OUT
condition
Openload off-state
V
voltage detection
OL
V
= 0V, 8V<VCC<16V 2
IN
threshold
See
Figure 20
4V
Output short circuit to
t
DSTKON
V
detection delay at
CC
(see Figure 4)180t
POL
µs
turn-off
Table 11.Logic input
SymbolParameterTest conditionsMin.Typ. Max.Unit
V
I
Input low level0.9V
IL
Low level input currentVIN =0.9 V1µA
IL
10/37 Doc ID 12266 Rev 6
Page 11
VND5050J-E / VND5050K-EElectrical specifications
Table 11.Logic input (continued)
SymbolParameterTest conditionsMin.Typ. Max.Unit
V
I
V
I(hyst)
V
ICL
V
SDL
I
SDL
V
SDH
I
SDH
V
SD(hyst)
V
SDCL
Input high level2.1V
IH
High level input currentVIN = 2.1 V10µA
IH
Input hysteresis voltage0.25V
Input clamp voltage
STAT_DIS low level
voltage
Low level STAT_DIS
current
STAT_DIS high level
voltage
High level STAT_DIS
current
STAT_DIS hysteresis
voltage
STAT_DIS clamp voltage
Figure 4.Status timings
I
= 1mA
IN
= -1mA
I
IN
V
= 0.9 V1µA
SD
5.5
-0.7
2.1V
= 2.1 V10µA
V
SD
0.25V
ISD= 1mA
= -1mA
I
SD
5.5
-0.7
7V
V
0.9V
7V
V
OPEN LOAD STATUS TIMING (without external pull-up)
I
< I
OUT
I
OUT
> I
OL
OL
V
t
CC
V
t
DSTKON
OUT
POL
OUT
< V
> V
OL
OL
V
IN
V
STAT
t
DOL(on)
OUTPUT STUCK TO V
V
IN
V
STAT
t
DOL(on)
OPEN LOAD STATUS TIMING (with external pull-up)
I
< I
OUT
V
V
IN
STAT
t
DOL(on)
OL
V
OUT
> V
OL
OVER TEMP STATUS TIMING
Tj > T
V
V
IN
STAT
t
SDL
TSD
t
SDL
Doc ID 12266 Rev 611/37
Page 12
Electrical specificationsVND5050J-E / VND5050K-E
Table 12.Truth table
ConditionsInputOutputSense (V
Normal operation
L
H
L
H
CSD
H
H
=0V)
(1)
Current limitation
Over temperature
Undervoltage
Output voltage > V
Output current < I
1. If the V
and external circuit.
is high, the SENSE output is at a high impedance, its potential depends on leakage currents
CSD
OL
OL
L
H
L
H
L
H
L
H
L
H
L
X
L
L
L
L
H
H
L
H
2. The STATUS pin is low with a delay equal to tDSTKON after INPUT falling edge.
3. The STATUS pin becomes high with a delay equal to tPOL after INPUT falling edge.
CAll functions of the device are performed as designed after exposure to disturbance.
E
One or more functions of the device are not performed as designed after exposure to
disturbance and cannot be returned to proper operation without replacing the device.
14/37 Doc ID 12266 Rev 6
Page 15
VND5050J-E / VND5050K-EElectrical specifications
Figure 7.Waveforms
NORMAL OPERATION
INPUT
STAT_DIS
LOAD CURRENT
STATUS
UNDERVOLTAGE
V
V
CC
INPUT
STAT_DIS
LOAD CURRENT
STATUS
INPUT
STAT_DIS
LOAD VOLTAGE
STATUS
V
USD
OPEN LOAD with external pull-up
V
OL
USDhyst
undefined
V
OUT>VOL
OPEN LOAD without external pull-up
INPUT
STAT_DIS
LOAD VOLTAGE
I
LOAD CURRENT
STATUS
OUT<IOL
t
POL
RESISTIVE SHORT TO Vcc, NORMAL LOAD
INPUT
STAT_DIS
LOAD VOLTAGE
I
OUT>IOL
V
OUT>VOL
V
OL
STATUS
t
DSTKON
OVERLOAD OPERATION
T
TSD
T
j
T
R
T
RS
INPUT
STAT_DIS
LOAD CURRENT
I
I
LIMH
LIML
STATUS
current
limitation
power
limitation
SHORTED LOADNORMAL LOAD
thermal cycling
Doc ID 12266 Rev 615/37
Page 16
Electrical specificationsVND5050J-E / VND5050K-E
2.4 Electrical characteristics curves
Figure 8.Off-state output currentFigure 9.High level input current
Iloff1 (uA)
1
0.875
0.75
0.625
0.5
0.375
0.25
0.125
0
-50 - 250255075100 125 150 175
Off state
Vcc=13V
Vin=Vout=0V
Tc ( °C )
Figure 10. Input clamp voltageFigure 11. Input high level
Vicl (V)
8
7.75
7.5
7.25
7
lin=1mA
lih (uA)
5
4.5
4
3.5
3
2.5
2
1.5
0.5
0
Vin=2.1V
1
-50-250255075100 125150 175
Tc ( °C )
Vih (V)
4
3.5
3
2.5
2
6.75
6.5
6.25
6
-50-250255 075100 125 150 175
Tc (°C )
1.5
1
0.5
0
-50-250255075100 125150 175
Tc ( °C )
Figure 12. Input low levelFigure 13. Input hysteresis voltage
Vil (V)
4
3.5
3
2.5
2
1.5
1
0.5
0
-50-250255075100 125150 175
Tc ( °C )
Vihyst (V)
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
-50-250255075100 125 150 175
Tc ( °C )
16/37 Doc ID 12266 Rev 6
Page 17
VND5050J-E / VND5050K-EElectrical specifications
Figure 14. Status low output voltageFigure 15. On-state resistance vs T
Vstat (V)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Istat=1.6mA
0
-50-250255075100 125150 175
Tc ( °C )
Ron (mOhm)
100
90
80
70
60
50
40
30
20
10
0
-50-250255075100 125 150 175
Iout=2A
Vcc=13V
Tc ( °C )
Figure 16. Status leakage currentFigure 17. On-state resistance vs V
Ilstat (uA)
0.055
0.05
Vstat=5V
0.045
0.04
0.035
0.03
0.025
-50 -250255075100 125 150 175
Tc ( °C )
Ron (mOhm)
100
90
80
70
60
50
40
30
20
10
0
0510152025303540
Tc= 150°C
Tc= 125°C
Tc= 25°C
Tc= -40°C
Vcc (V)
case
CC
Figure 18. Status clamp voltageFigure 19.Openload on-state detection
threshold
Vscl (V)
9
8.5
7.5
6.5
5.5
4.5
Istat=1mA
8
7
6
5
4
-50-250255075100 125150 175
Tc ( °C )
Doc ID 12266 Rev 617/37
Iol (mA)
100
90
80
70
60
50
40
30
20
10
0
Vin=5V
-50-250255075100 125 150 175
Tc ( °C )
Page 18
Electrical specificationsVND5050J-E / VND5050K-E
Figure 20. Openload off-state voltage
Figure 21. I
LIM
vs T
case
detection threshold
Vol (V)
5
4.5
4
3.5
3
2.5
2
1.5
1
Vin=0V
-50-250255075100 125150 175
Tc ( °C )
Ilimh (A)
25
22.5
20
17.5
15
12.5
10
7.5
5
Vcc=13V
-50-250255075100 125 150 175
Tc ( °C )
Figure 22. Turn-on voltage slopeFigure 23. Undervoltage shutdown
dVout/dt(on) (V/ms)
1000
900
800
700
600
500
400
300
200
100
Vcc=13V
RI=6.5Ohm
0
-50 - 250255075100 125 150 175
Tc ( °C )
Vusd (V)
14
12
10
8
6
4
2
0
-50-25025507 5100125 150175
Tc ( °C )
Figure 24. Turn-off voltage slopeFigure 25. STAT_DIS clamp voltage
dVout/dt(off) (V/ms)
1000
900
800
700
600
500
400
300
200
100
Vcc=13V
RI=6.5Ohm
0
-50 - 250255075100 125 150 175
Tc ( °C )
18/37 Doc ID 12266 Rev 6
Vsdcl(V)
14
12
Isd=1mA
10
8
6
4
2
0
-50-25025507 5100125 150175
Tc ( °C )
Page 19
VND5050J-E / VND5050K-EElectrical specifications
Figure 26. High level STAT_DIS voltageFigure 27. Low level STAT_DIS voltage
Vsdh(V)
8
Vsdl(V)
8
7
6
5
4
3
2
1
0
-50-250255075100 125150 175
Tc ( °C)
7
6
5
4
3
2
1
0
-50-250255075100 125150 175
Tc ( °C)
Doc ID 12266 Rev 619/37
Page 20
Application informationVND5050J-E / VND5050K-E
3 Application information
Figure 28. Application schematic
+5V
μ
R
R
C
R
prot
prot
prot
+5V
STAT_DIS
INPUT
STATUS
V
CC
OUTPUT
GND
R
GND
GND
D
GND
V
Note:Channel 2 has the same internal circuit as channel 1.
3.1 GND protection network against reverse battery
D
ld
3.1.1 Solution 1: resistor in the ground line (R
This can be used with any type of load.
The following is an indication on how to dimension the R
1.R
2. R
where -I
maximum rating section of the device datasheet.
Power Dissipation in R
P
= (-VCC)2/R
D
This resistor can be shared amongst several different HSDs. Please note that the value of
this resistor should be calculated with formula (1) where I
maximum on-state currents of the different devices.
Please note that if the microprocessor ground is not shared by the device ground then the
R
GND
values. This shift will vary depending on how many devices are ON in the case of several
high side drivers sharing the same R
20/37 Doc ID 12266 Rev 6
≤ 600mV / (I
GND
≥ (−VCC) / (-I
GND
is the DC reverse ground pin current and can be found in the absolute
GND
S(on)max
GND
GND
).
)
(when VCC<0: during reverse battery situations) is:
GND
will produce a shift (I
S(on)max
* R
GND
GND
only)
GND
resistor.
GND
S(on)max
becomes the sum of the
) in the input thresholds and the status output
.
Page 21
VND5050J-E / VND5050K-EApplication information
If the calculated power dissipation leads to a large resistor or several devices have to share
the same resistor then ST suggests to utilize Solution 2 (see below).
3.1.2 Solution 2: a diode (D
A resistor (R
=1kΩ) should be inserted in parallel to D
GND
) in the ground line
GND
inductive load.
This small signal diode can be safely shared amongst several different HSDs. Also in this
case, the presence of the ground network will produce a shift (≈600mV) in the input
threshold and in the status output values if the microprocessor ground is not common to the
device ground. This shift will not vary if more than one HSD shares the same diode/resistor
network.
3.2 Load dump protection
Dld is necessary (Voltage Transient Suppressor) if the load dump peak voltage exceeds the
V
max DC rating. The same applies if the device is subject to transients on the VCC line
CC
that are greater than the ones shown in the ISO 7637-2: 2004(E) table.
3.3 Microcontroller I/Os protection
If a ground protection network is used and negative transient are present on the VCC line,
the control pins will be pulled negative. ST suggests to insert a resistor (R
prevent the µC I/Os pins to latch-up.
The value of these resistors is a compromise between the leakage current of μC and the
current required by the HSD I/Os (Input levels compatibility) with the latch-up limit of μC
I/Os.
if the device drives an
GND
prot
) in line to
-V
CCpeak/Ilatchup
≤ R
prot
≤ (V
OHμC-VIH-VGND
Calculation example:
For V
5kΩ ≤ R
Recommended values: R
CCpeak
prot
≤ 180kΩ
= - 100V and I
latchup
prot
≥ 20mA; V
=10kΩ.
3.4 Open-load detection in off-state
Off-state open load detection requires an external pull-up resistor (RPU) connected between
OUTPUT pin and a positive supply voltage (V
microprocessor.
The external resistor has to be selected according to the following requirements:
1.no false open load indication when load is connected: in this case we have to avoid
V
to be higher than V
OUT
V
=(VPU/(RL+RPU))RL<V
OUT
2. no misdetection when load is disconnected: in this case the V
V
; this results in the following condition RPU<(VPU–V
OLmax
; this results in the following condition
Olmin
Olmin
Doc ID 12266 Rev 621/37
) / I
IHmax
≥ 4.5V
OHμC
) like the +5V line used to supply the
PU
.
has to be higher than
OUT
OLmax
)/I
L(off2)
.
Page 22
Application informationVND5050J-E / VND5050K-E
Because I
up resistor R
may significantly increase if V
s(OFF)
should be connected to a supply that is switched OFF when the module is in
PU
standby.
The values of V
OLmin
, V
OLmax
and I
are available in the Electrical Characteristics
L(off2)
section.
Figure 29. Open-load detection in off-state
V
CC
INPUT
STATUS
DRIVER
+
LOGIC
+
-
VOL
GROUND
is pulled high (up to several mA), the pull-
out
V batt.VPU
R
PU
I
L(off2)
OUT
R
R
L
22/37 Doc ID 12266 Rev 6
Page 23
VND5050J-E / VND5050K-EApplication information
3.5 Maximum demagnetization energy (VCC = 13.5V)
Figure 30. Maximum turn-off current versus inductance (for each channel)
100
A
B
10
I (A)
1
0,1110100
C
L (mH)
A: T
B: T
C: T
VIN, I
L
Note:Values are generated with R
= 150°C single pulse
jstart
= 100°C repetitive pulse
jstart
= 125°C repetitive pulse
jstart
demagnetization) of every pulse must not exceed the temperature specified above for
curves A and B.
DemagnetizationDemagnetizationDemagnetization
=0 Ω.In case of repetitive pulses, T
L
(at beginning of each
jstart
t
Doc ID 12266 Rev 623/37
Page 24
Package and PCB thermal dataVND5050J-E / VND5050K-E
4 Package and PCB thermal data
4.1 PowerSSO-12™ thermal data
Figure 31. PowerSSO-12™ PC board
Note:Layout condition of R
area= 77mm x 86mm,PCB thickness=1.6mm, Cu thickness=70μm (front and back side),
Copper areas: from minimum pad lay-out to 8cm
Figure 32. R
thj-amb
on)
RTHj_amb(°C/ W)
70
65
60
55
50
45
40
35
30
0246810
and Zth measurements (PCB: Double layer, Thermal Vias, FR4
th
2
).
vs PCB copper area in open box free air condition (one channel
PCB Cu heatsink area (cm^ 2)
24/37 Doc ID 12266 Rev 6
Page 25
VND5050J-E / VND5050K-EPackage and PCB thermal data
Figure 33. PowerSSO-12™ thermal impedance junction ambient single pulse (one
channel on)
ZTH (°C/ W)
100
Footprint
2 cm
8 cm
2
2
10
1
0,1
0,00010,0010,010,11101001000
Time ( s)
Equation 1: pulse calculation formula
Z
THδ
where δ = t
Figure 34. Thermal fitting model of a double channel HSD in PowerSSO-12™
R
TH
/T
P
δZ
THtp
1δ–()+⋅=
(a)
a. The fitting model is a simplified thermal tool and is valid for transient evolutions where the embedded
protections (power limitation or thermal cycling during thermal shutdown) are not triggered.
Doc ID 12266 Rev 625/37
Page 26
Package and PCB thermal dataVND5050J-E / VND5050K-E
Table 16.PowerSSO-12™ thermal parameters
Area/island (cm2)Footprint28
R1= R7 (°C/W)0.7
R2= R8 (°C/W)2.8
R3 (°C/W)4
R4 (°C/W)887
R5 (°C/W)221510
R6 (°C/W)262015
C1= C7 (W.s/°C)0.001
C2= C8 (W.s/°C)0.0025
C3 (W.s/°C)0.05
C4 (W.s/°C)0.20.10.1
C5 (W.s/°C)0.270.81
C6 (W.s/°C)369
26/37 Doc ID 12266 Rev 6
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VND5050J-E / VND5050K-EPackage and PCB thermal data
4.2 PowerSSO-24™ thermal data
Figure 35. PowerSSO-24™ PC board
Note:Layout condition of R
area= 77mm x 86mm, PCB thickness=1.6mm, Cu thickness=70µm (front and back side),
Copper areas: from minimum pad lay-out to 8cm
Figure 36. R
thj-amb
on)
RTHj_amb(°C/W)
55
50
45
40
35
30
0246810
and Zth measurements (PCB: Double layer, Thermal Vias, FR4
th
2
).
vs PCB copper area in open box free air condition (one channel
PCB Cu heatsink area (cm^2)
Doc ID 12266 Rev 627/37
Page 28
Package and PCB thermal dataVND5050J-E / VND5050K-E
Figure 37. PowerSSO-24™ thermal impedance junction ambient single pulse (one
channel on)
Equation 2: pulse calculation formula
Z
THδ
where δ = t
Figure 38. Thermal fitting model of a double channel HSD in PowerSSO-24™
b. The fitting model is a simplified thermal tool and is valid for transient evolutions where the embedded
R
TH
/T
P
δZ
THtp
1δ–()+⋅=
protections (power limitation or thermal cycling during thermal shutdown) are not triggered.
(b)
28/37 Doc ID 12266 Rev 6
Page 29
VND5050J-E / VND5050K-EPackage and PCB thermal data
Table 17.PowerSSO-24™ thermal parameters
Area/island (cm2)Footprint28
R1=R7 (°C/W)0.4
R2=R8 (°C/W)2
R3 (°C/W)6
R4 (°C/W)7.7
R5 (°C/W)998
R6 (°C/W)281710
C1=C7 (W.s/°C)0.001
C2=C8 (W.s/°C)0.0022
C3 (W.s/°C)0.025
C4 (W.s/°C)0.75
C5 (W.s/°C)149
C6 (W.s/°C)2.2517
Doc ID 12266 Rev 629/37
Page 30
Package and packing informationVND5050J-E / VND5050K-E
5 Package and packing information
5.1 ECOPACK® packages
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com
ECOPACK
®
is an ST trademark.
5.2 PowerSSO-12™package information
Figure 39. PowerSSO-12™ package dimensions
.
30/37 Doc ID 12266 Rev 6
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VND5050J-E / VND5050K-EPackage and packing information
Table 18.PowerSSO-12™ mechanical data
Symbol
Min.Typ.Max.
A1.251.62
A100.1
A21.101.65
B0.230.41
C0.190.25
D4.85.0
E3.84.0
e0.8
H5.86.2
h0.250.5
L0.41.27
Millimeters
k0°8°
X1.92.5
Y3.64.2
ddd0.1
Doc ID 12266 Rev 631/37
Page 32
Package and packing informationVND5050J-E / VND5050K-E
5.3 PowerSSO-24™ package information
Figure 40. PowerSSO-24™ package dimensions
Table 19.PowerSSO-24™ mechanical data
Millimeters
Symbol
Min.Typ.Max.
A2.45
A22.152.35
a100.1
b0.330.51
c0.230.32
D10.1010.50
E7.47.6
e0.8
e38.8
F2.3
G0.1
H10.110.5
32/37 Doc ID 12266 Rev 6
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VND5050J-E / VND5050K-EPackage and packing information
Table 19.PowerSSO-24™ mechanical data (continued)
Symbol
Min.Typ.Max.
h0.4
k0deg8deg
L0.550.85
O1.2
Q0.8
S2.9
T3.65
U1.0
N10deg
X4.14.7
Y6.57.1
Millimeters
Doc ID 12266 Rev 633/37
Page 34
Package and packing informationVND5050J-E / VND5050K-E
5.4 PowerSSO-12™ packing information
Figure 41. PowerSSO-12™ tube shipment (no suffix)
B
C
Base Q.ty100
Bulk Q.ty2000
Tube length (± 0.5)532
A
A1.85
B6.75
C (± 0.1)0.6
All dimensions are in mm.
Figure 42. PowerSSO-12™ tape and reel shipment (suffix “TR”)
REEL DIMENSIONS
Base Q.ty2500
Bulk Q.ty2500
A (max)330
B (min)1.5
C (± 0.2)13
F20.2
G (+ 2 / -0)12.4
N (min)60
T (max)18.4
TAPE DIMENSIONS
According to Electronic Industries Association
(EIA) Standard 481 rev. A, Feb. 1986
values III and IV for test pulse 5b and notes updated
Figure 34: Thermal fitting model of a double channel HSD in
PowerSSO-12™, Figure 38: Thermal fitting model of a double
channel HSD in PowerSSO-24™: added notes.
Features table updated: I
changed from 19 to 18A.
LIMH
Updated Section 4.1: PowerSSO-12™ thermal data:
– Changed Figure 32: Rthj-amb vs PCB copper area in open
R3 value changed from 7 to 4 °C/W.
R4 values changed from 10 /10 /10 to 8 /8 /7 °C/W.
Table 19: PowerSSO-24™ mechanical data:
– Deleted A (min) value
– Changed A (max) value from 2.47 to 2.45
– Changed A2 (max) value from 2.40 to 2.35
– Changed a1 (max) value from 0.075 to 0.1
– Added F and k rows
Updated Figure 40: PowerSSO-24™ package dimensions.
Updated Table 19: PowerSSO-24™ mechanical data:
– Deleted G1 row
– Added O, Q, S, T and U rows.
36/37 Doc ID 12266 Rev 6
Page 37
VND5050J-E / VND5050K-E
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