The VND810MSP is a monolithic device designed
in STMicroelectronics VIPower M0-3 Technology,
intended for driving any kind of load with one side
connected to ground.
Active VCC pin voltag e clamp protects th e dev ice
against low energy spikes (see ISO7637 transient
compatibility table). Active current limitation
BLO C K DIAG RA M
10
1
PowerSO-10
™
ORDER CODES
PACKAGETUBET&R
PowerSO-1 0™ VND810MSP VND810MSP13TR
combined with thermal shutdown and automatic
restart protects the device against overloa d. The
current limitati on threshold is aimed at d etecting
the 21W/12V sta ndard bulb as an o verload fault.
The device detects open load condition both in on
and off state. Output shorted to VCC is detected in
the off state. Device automatically turns off in case
of ground pin disconnection.
V
cc
V
cc
CLAMP
GND
INPUT1
STATUS1
OVERTEMP. 1
INPUT2
STATUS2
OVERTEMP. 2
(**) See appl ic ation schema tic at page 8
LOGIC
OVERVO LTAGE
UNDERVOLTAGE
CLAMP 1
DRIVER 1
CURRENT LIMITER 1
OPENLOAD ON 1
OPENLOAD OFF 1
CLAMP 2
DRIVER 2
CURRENT LIMITER 2
OPENLOAD ON 2
OPENLOAD OFF 2
OUTPUT1
OUTPUT2
July 20021/18
1
Page 2
VND810MSP
ABSOLUTE MAXIMUM RATI NG
SymbolParameterValueUnit
tot
DC Supply Voltage41V
Reverse DC Supply Voltage- 0.3V
CC
DC Reverse Ground Pin Current- 200mA
DC Output CurrentInternally LimitedA
Reverse DC Output Current - 6A
DC Input Current+/- 10mA
DC Status Cur rent+/- 10mA
Electros tatic Discharge (Hum an Body Model: R=1.5KΩ; C=100pF)
- INPUT
- STATUS
- OUTPU T
- V
CC
Maximum Switching Energy
(L=400mH; R
=0Ω; V
L
=13.5V; T
bat
=150ºC; IL=0.9A)
jstart
4000
4000
5000
5000
225mJ
Powe r Dissipation TC=25°C52W
Junction Operating TemperatureInternally Limited°C
j
Case Operating Temperature- 40 to 150°C
c
Storage Temperature- 55 to 150°C
V
CC
- V
- I
GND
I
OUT
- I
OUT
I
IN
I
stat
V
ESD
E
MAX
P
T
T
T
stg
CONNECTION DIAGRAM (TOP VIEW)
V
V
V
V
GROUND
INPUT 1
STATUS 1
STA TUS 2
INPUT 2
V
CC
CURRENT AND VOLTAGE CO NVENTIONS
I
IN1
STAT1
V
I
I
I
IN2
V
STAT2
V
IN1
V
INP UT 1
STAT1
STATUS 1
IN2
INPUT 2
STAT2
STATUS 2
6
7
8
9
10
11
GND
5
4
3
2
1
V
CC
OUTPUT 1
OUTPUT 2
I
GND
OUTPUT 1
OUTPUT 1
N.C.
OUTPUT 2
OUTPUT 2
I
OUT2
V
OUT2
I
OUT1
V
OUT1
I
S
V
CC
2/18
1
Page 3
VND810MSP
THERMAL DATA
SymbolParameterValueUnit
R
thj-case
R
thj-amb
(*) When mounted on a standard single-sided FR-4 board with 0.5cm2 of Cu (at least 35µm thick). Horizontal mounting and no artificial air
CAll functions of the device are perfo rmed as designed after exposure to disturbance .
EOne or more functions of the dev ice is not performed as desig ned after exposure and cannot be
returned to prop er operat ion without replacing the devi ce.
IIIIIIIVDelays and
IIIIIIIV
TEST LEVELS
TEST LEVELS RESULTS
Impedance
Ω
Ω
6/18
1
1
Page 7
Figure1: Waveforms
INPUT
n
OUTPUT VOLTAGE
STATUS
V
CC
INPUT
n
OUTPUT VOLTAGE
STATUS
V
CC
INPUT
n
OUTPUT VOLTAGE
STATUS
VND810MSP
NORMAL OPERATION
n
n
UNDERVOLTAGE
V
USDhyst
V
USD
n
n
OVERVOLTAGE
VCC<V
OV
n
n
undefined
VCC>V
OV
INPUT
n
OUTPUT VOLTAGE
STATUS
INPUT
n
n
OUTP U T VO LTAGE
STATUS
T
INPUT
n
j
n
OUTPUT CURRENT
STATUS
n
OPEN LOAD wi th external pull-up
V
n
V
OL
OUT>VOL
OPEN LOAD without external pull-up
n
OVERTEMPE RATURE
T
TSD
T
R
n
7/18
1
Page 8
VND810MSP
APPLICATION SCHEMATIC
+5V
+5V
+5V
R
prot
µ
C
R
prot
R
prot
R
prot
STA T US1
INPUT1
STA TUS2
INPUT2
GND PROTECTION NETWORK AGAINST
REVERSE BATTERY
Soluti on 1: Resistor in the ground line (R
can be us ed with any t ype of load .
The fo llowin g is an indica tion on how to dim ension the
resistor.
R
GND
1) R
2) R
where -I
be found in the absolute maximum rating section of the
≤ 600mV / I
GND
≥ (−VCC) / (-I
GND
is the DC re vers e grou nd pi n cu rren t an d can
GND
S(on)max
)
GND
.
device’s datasheet.
Power Dissipation in R
battery situations) is:
= (-VCC)2/R
P
D
GND
(when VCC<0: during reverse
GND
This resistor can be shared amongst several different
HSD. Please note that the value of this resis t o r sh ould be
calcul ated with form ula (1) wher e I
sum of the maximum on-state currents of the different
S(on)max
devices.
Please note that if the microprocessor ground is not
common with the device ground then the R
produce a shift (I
and the status output values. This shift will vary
S(on)max
* R
) in the input thresholds
GND
only). This
GND
becomes t he
GND
will
V
CC
OUTPUT1
D
OUTPUT2
GND
GND
R
V
GND
GND
depending on how man y devic es are ON in the ca se of
several high side drivers sharing the same R
If the calculated power dissipation leads to a large resistor
or seve ral de vic es have to s hare t he s ame r esisto r then
the ST suggest to utiliz e Solu tio n 2 (see below ).
Solution 2:
A resistor (R
D
GND
A diode (D
=1kΩ) should be inserted in parallel to
GND
if the devi ce will be driving an inductive load.
) in the gro und line.
GND
This small signal diode can be safely shared amongst
several different HSD . Also in this case, the presence of
the ground network wi ll produce a shift (
input threshold and the status output values if the
microprocessor ground is not common with the device
ground. This shift will not vary if more than one HSD
shares the same diode/resistor netw ork.
LOAD DUMP PROTECTION
Dld is necessary (Voltage Transient Suppressor) if the
load dump peak voltage exceeds VCC max DC rating. The
same applies if the device will be subject to transients on
the VCC line that are grea ter tha n the ones sh own in the
ISO T/R 7637/1 table.
D
ld
.
GND
j
600mV) in t he
8/18
1
1
Page 9
C I/Os PROTECTION:
µ
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
in line to prevent the µC I/Os pins to latch-up.
prot
The valu e of these res istors 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.
-V
CCpeak/Ilatchup
prot
≤ (V
OHµC-VIH-VGND
) / I
IHmax
≤ R
Calcu lation exam ple:
CCpeak
prot
= - 100V and I
≤ 65kΩ .
For V
5kΩ≤ R
Recomm ended R
value is 10kΩ.
prot
latchup
≥ 20mA; V
OHµC
≥ 4.5V
OPEN LOAD DETECTION IN OFF STATE
Off state open load detection requires an external pull-up
resistor (R
positive supply voltage (V
) connected between OUTPUT pin and a
PU
) like the +5 V line used to
PU
Open Load detection in off state
VND810MSP
supply the microprocesso r.
The exter na l res i stor ha s to be s ele ct ed ac cor d ing t o th e
follow i n g re quirements:
)
1) no fal s e ope n l oad in dica t ion w he n l oad is conn ec ted:
in this c ase we ha ve to av oid V
V
; this results in the following condition
Olmin
V
=(VPU/(RL+RPU))RL<V
OUT
2) no misdetection when load is disconnected: in this
case the V
has to be higher than V
OUT
results in the following condition R
I
.
L(off2)
Beca us e I
may si gn ifi c a ntly increase if V
s(OFF)
high (up t o several mA ), the pul l-up resi stor R
be conne cted t o a su pp ly t ha t is swit ch ed OFF when t h e
module is in standby.
The values of V
OLmin
, V
OLmax
and I
the Electrical Characteristics section.
to be high er tha n
OUT
Olmin.
PU
L(off2)
<(V
are available in
; this
OLmax
PU–VOLma x
is pulled
out
should
PU
)/
INPUT
STATUS
DRIVER
+
LOGIC
V batt.VPU
CC
V
OUT
+
R
-
OL
V
GROUND
L(off2)
I
PU
R
L
R
9/18
11
Page 10
VND810MSP
Off State Output Current
IL(off1) (uA)
1.6
1.44
1.28
1.12
0.96
0.8
0.64
0.48
0.32
0.16
0
-50 -250255075 100 125 150 175
Off state
Vcc=36V
Vin=Vout=0V
High Level Input Current
Iih (uA)
5
4.5
3.5
2.5
1.5
0.5
Vin=3.25V
4
3
2
1
0
-50 -250255075 100 125 150 175
Tc (ºC)
Input Clamp VoltageStatus Leakage Current
Vicl (V)
8
7.8
7.6
7.4
7.2
7
6.8
6.6
6.4
6.2
6
Iin=1mA
-50 -250255075 100 125 150 175
Tc (°C)
Ilstat (uA)
0.05
0.04
Vstat=5V
0.03
0.02
0.01
0
-50 -250255075 100 125 150 175
Tc (°C)
Tc (°C)
10/18
1
Vstat (V)
0.8
0.7
Istat=1.6mA
0.6
0.5
0.4
0.3
0.2
0.1
0
-50 -250255075 100 125 150 175
Tc (°C)
Status Clamp VoltageStatus Low Output Voltage
Vscl (V)
8
7.8
7.6
7.4
7.2
6.8
6.6
6.4
6.2
Istat=1mA
7
6
-50 -250255075 100 125 150 175
Tc (°C)
Page 11
VND810MSP
On State Resistance Vs T
Ron (mOhm)
400
350
300
250
200
150
100
50
0
-50 -250255075 100 125 150 175
Iol (mA)
60
55
50
45
40
35
30
25
20
15
10
-50 -250255075 100 125 150 175
Iout=1A
Vcc=8V; 13V & 36V
Vcc=13V
Vin=5V
case
Tc (ºC)
Tc (°C)
On State Resistance Vs V
Ron (mOhm)
400
350
300
250
200
150
100
50
0
5 10152025303540
Iout=1A
Vcc (V)
Input High LevelOpenload On State Detection Threshold
Vih (V)
3.6
3.4
3.2
3
2.8
2.6
2.4
2.2
2
-50 -250255075 100 125 150 175
Tc (°C)
CC
Tc= 125ºC
Tc= 25ºC
Tc= - 40ºC
Vil (V)
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
-50 -250255075 100 125 150 175
Tc (°C)
Input Hysteresis VoltageInput Low Level
Vhyst (V)
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
-50 -25025507 5 100 125 150 175
Tc (°C)
11/18
1
Page 12
VND810MSP
Overvoltage Shutdown
Vov (V)
50
48
46
44
42
40
38
36
34
32
30
-50 -250255075 100 125 150 175
Openload Off State Voltage Detection Threshold
Vol (V)
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
Vin=0V
-50 -250255075 100 125 150 175
Tc (°C)
Turn-on Voltage SlopeTurn-off Voltage Slope
dVout/dt(on) (V/ms)
1000
900
800
700
600
500
400
300
200
100
Vcc=13V
Rl=13Ohm
0
-50 -25025 5075 100 125 150 175
Tc (ºC)
dVout/dt(off) (V/ms)
500
450
400
350
300
250
200
150
100
50
0
Vcc=13V
Rl=13Ohm
-50 -250255075 100 125 150 175
Tc (°C)
Tc (ºC)
I
LIM
12/18
11
Vs T
case
Ilim (A)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
Vcc=13V
-50 -250255075 100 125 150 175
Tc (°C)
Page 13
Maximum turn off current versus load inductance
LMAX (A)
I
10
1
VND810MSP
A
B
C
0.1
110100100010000
A = Single Pulse at T
B= Repetitive pulse at T
C= Repetitive Pulse at T
Conditions:
VCC=13.5V
Values are generated with RL=0Ω
In case of repetitive pulses, T
the temperature specified above for curves B and C.
VIN, I
L
=150ºC
Jstart
=100ºC
Jstart
=125ºC
Jstart
jstart
Demagnetization
(at beginning of each demagnetization) of every pulse must not exceed
L(mH)
Demagnetization
Demagnetization
t
13/18
Page 14
VND810MSP
PowerSO-10™ PC Board
PowerSO-10™ THERMAL DATA
R
thj-amb
Layout condition of Rth and Zth measurements (PCB FR 4 area= 58mm x 58mm, PCB thi ckness=2mm,
Cu thickness=35µm, Copper areas: from minimum pad lay-out to 8cm
Vs PCB copper area in open box free air condition
2
).
RTHj_amb (°C/W)
55
Tj-Tamb=50°C
50
45
40
35
14/18
30
0246810
PCB Cu heatsink area (cm^2)
Page 15
PowerSO-10 Thermal Impedance Junction Ambient Single Pulse
ZTH (°C/W)
1000
VND810MSP
100
10
1
0.1
0.00010.0010.010.11101001000
Time (s)
Thermal fitting model of a doubl e channel H SD
in PowerSO-10
Information furnished is believed to be accurate and reliable. However , STMicroelec tronics assum es no responsibility for the cons equences
of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is
granted by implication or otherwise under any patent or p atent rights of STMicroelect r onics. Specific ations mentioned in this publication are
subject to c hange without notice. T his publication supersedes and replac es all information pr ev iously supplied. STMicroelectr on ics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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The ST logo is a trademark of STMicroele c tronics
2002 STMicroelectronics - Printed in ITALY- All Rights Reserved.
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18/18
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