SGS Thomson Microelectronics VB921ZVSP, VB921ZVFI Datasheet

VB921ZVFI
HIGH VOLTAGE IGNITION COIL DRIVER
TYPE V
VB921ZVFI VB921ZVSP
n NO EXTERNAL COMPONENT REQUIRED n INTEGRATED HIGH VOLTAGE CLAMP
n COIL CURRENT LIMIT INTERNALLY SET n HIGH RUGGEDNESS
cl
340V 7.5A 2.5V
DESCRIPTION
The VB921ZVFI, VB921ZVSP is a monolithichigh voltage integrated circuit made using the STMicroelectronics VIPowertechnology, which combines a vertical current flow power trilinton with a coil current limiting circuit and a collector voltage clamping. The device is particularly suitable for application in high performance electronic car ignition, where coil current limitation and voltage clamping are required.
I
cl
V
cg(sat)
1
ISOWATT220
ORDER CODES:
ISOWATT220 POWERSO-10
/ VB921ZVSP
POWER I.C.
ADVANCED DATA
10
3
2
PowerSO-10
VB921ZVFI VB921ZVSP
1
BLOCK DIAGRAM
HV
c
V
IN
July 1999 1/7
CONTROL UNIT
R
SENSE
GND
ND8012
1
VB921ZVFI / VB921ZVSP
ABSOLUTE MAXIMUM RATING
Symbol Parameter
HV
I
V
I
IN
P
T
T
stg
THERMAL DATA
Symbol Parameter
R
thj-case
R
thj-amb
CONNECTION DIAGRAM (TOP VIEW)
Collector Voltage Internally limited V
c
Collector Current Internally limited A
C
Maximum Input Voltage 8 V
IN
Input current 10 mA Total dissipation at TC=25°C 40 100 W
tot
Junction operating temperature - 40 to 150 °C
j
Storage temperature - 40 to 150 °C
Thermal resistance junction-case (MAX) 3.12 1.25 °C/W Thermal resistance junction-ambient (MAX) 62.5 62.5 °C/W
Value
ISOWATT220 PowerSO-10
Value
ISOWATT220 PowerSO-10
Unit
Unit
V
IN
V
IN
V
IN
V
IN
V
IN
6 7
8 9
10
5 4 3
2 1
GND GND GND GND GND
3 2
1V
11
HV
C
ELECTRICAL CHARACTERISTICS (V
=12V; T
CC
=25ºC unless otherwisespecified)
case
Symbol Parameter Test Conditions Min Typ Max Unit
V
I
I
cgo
V
cl
I
cl
Input Voltage 4.2 5.5 V
IN
V
IN
Input Current
=4.2V; IC=5A (See test circuit)
IN
VIN=5V; IC=5A
5
10
Collector Cut-off Current VIN=0V; HVC=250V 250 µA
(*) High voltage clamp -40°C<Tj<125°C 340 440 V
(*) Coil Current Limit
V
=4.2V; -40°C<Tj<125°C
IN
=5V; -40°C<Tj<125°C
V
IN
6
6.5 7.5
(See note 1)
V
cg(sat)
V
I
f
Power Stage Saturation Voltage
IC=5A; IIN=10mA 2.5 V
(**) Diode Forward Voltage If=10A 3.5 V
Coil current variation in
cl
respect to VIN=5V
VIN=4.5 ÷ 5.5V 200 mA
GND HV
mA mA
A A
C
IN
(*) Coil data: primary resistance RC=0.4 ÷ 0.8, primary inductance LC=6 ÷ 8mH (**) Pulsed: pulse duration= 300µs, duty cycle=1.5% NOTE 1: Iclis also controlled in respect to the variation of VINbetween 4.5 and 5.5V
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VB921ZVFI / VB921ZVSP
FIGURE 1: Delay-off time Vs Temperature
FIGURE 3: Saturation VoltageVS Collector Current
FIGURE 2: Input current Vs Temperature
FIGURE 4: Diode Forward Voltage VS Temperature
FIGURE 5: Coil Current Limit Vs Temperature
FIGURE 6: Clamping Voltage VS Temperature
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1
VB921ZVFI / VB921ZVSP
FIGURE 7: Maximum Energy and Output Current
Unclamped
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11
1
VB921ZVFI / VB921ZVSP
PowerSO-10MECHANICAL DATA
DIM.
MIN. TYP MAX. MIN. TYP. MAX.
mm. inch
A 3.35 3.65 0.132 0.144
A1 0.00 0.10 0.000 0.004
B 0.40 0.60 0.016 0.024
c 0.35 0.55 0.013 0.022
D 9.40 9.60 0.370 0.378
D1 7.40 7.60 0.291 0.300
E 9.30 9.50 0.366 0.374 E1 7.20 7.40 0.283 0.291 E2 7.20 7.60 0.283 300 E3 6.10 6.35 0.240 0.250 E4 5.90 6.10 0.232 0.240
e 1.27 0.050 F 1.25 1.35 0.049 0.053 H 13.80 14.40 0.543 0.567
h 0.50 0.002 Q 1.70 0.067 α
B
B
Q
0.10 A
E1E3
==
SEATING PLANE
A
C
α
E4
==
SEATING
PLANE
A1
L
==
==
==
HE
h
A
F
A1
610
51
eB
M
0.25
D
==
D1
==
E2
==
DETAIL”A”
DETAIL”A”
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VB921ZVFI / VB921ZVSP
TO-220 MECHANICAL DATA
DIM.
MIN. TYP MAX. MIN. TYP. MAX.
A 4.40 4.60 0.173 0.181
C 1.23 1.32 0.048 0.051
D 2.40 2.72 0.094 0.107
D1 1.27 0.050
E 0.49 0.70 0.019 0.027
F 0.61 0.88 0.024 0.034
F1 1.14 1.70 0.044 0.067 F2 1.14 1.70 0.044 0.067
G 4.95 5.15 0.194 0.203
H2 10.0 10.40 0.393 0.409
L2 16.4 0.645 L4 13.0 14.0 0.511 0.551 L5 2.65 2.95 0.104 0.116 L6 15.25 15.75 0.600 0.620 L7 6.2 6.6 0.244 0.260 L9 3.5 3.93 0.137 0.154
DIA. 3.75 3.85 0.147 0.151
mm. inch
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11111
1
1
VB921ZVFI / VB921ZVSP
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences 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 patent rightsof STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics 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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