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VB921ZVSTN/a16avaiHIGH VOLTAGE IGNITION COIL DRIVER POWER IC


VB921ZV ,HIGH VOLTAGE IGNITION COIL DRIVER POWER ICVB921ZVFI® / VB921ZVSPHIGH VOLTAGE IGNITION COIL DRIVERPOWER I.C.TYPE V I Vcl cl cg(sat)VB921ZVFI34 ..
VB921ZVFI ,HIGH VOLTAGE IGNITION COIL DRIVER POWER ICBLOCK DIAGRAMHVcCONTROLVINUNITRSENSEND8012GNDOctober 2000 1/71VB921ZVFI / VB921ZVSPABSOLUTE MAXIMUM ..
VB921ZVFI ,HIGH VOLTAGE IGNITION COIL DRIVER POWER ICVB921ZVFI® / VB921ZVSPHIGH VOLTAGE IGNITION COIL DRIVERPOWER I.C.TYPE V I Vcl cl cg(sat)VB921ZVFI34 ..
VB921ZVSP ,HIGH VOLTAGE IGNITION COIL DRIVER POWER ICVB921ZVFI® / VB921ZVSPHIGH VOLTAGE IGNITION COIL DRIVERPOWER I.C.TYPE V I Vcl cl cg(sat)VB921ZVFI34 ..
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VB921ZV
HIGH VOLTAGE IGNITION COIL DRIVER POWER IC
VB921ZVFl
VB921ZVSP
HIGH VOLTAGE IGNITION COIL DRIVER
POWER LC.
TYPE Vcl Icl ch(sat) I
VB921ZVFl
340V 7.5A 2.5V
VB921ZVSP
I NO EXTERNAL COMPONENT REQUIRED
I INTEGRATED HIGH VOLTAGE CLAMP
I COIL CURRENT LIMIT INTERNALLY SET
I HIGH RUGGEDNESS
DESCRIPTION
The VB921ZVFl, VB921ZVSP is a monolithic high
voltage integrated circuit made using the
STMicroelectronics VlPowerTM M1-2 technology,
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.
BLOCK DIAGRAM
6 atCa,Cta,
PowerSO-10T'“
ISOWATT220
ORDER CODES:
ISOWATT220 VB921ZVFl
POWERSO-1OTM 1/B921ZVSP
VIN E] = SSETROL
R SENSE
NDBOIZ
October 2000
VB921ZVFl I V3921ZVSP
ABSOLUTE MAXIMUM RATING
I P U it
Symbo arameter ISOWATT220 PowerSO-10 m
HVc Collector Voltage Internally limited V
lc Collector Current Internally limited A
VIN Maximum Input Voltage 8 V
IN Input current 10 mA
Ptot Total dissipation at Tc=25 "C 40 100 W
T] Junction operating temperature - 40 to 150 "C
Tstg Storage temperature - 40 to 150 'C
THERMAL DATA
Value .
Symbol Parameter ISOWATT220 PowerSO-10 Unit
Rthrcase Thermal resistance junction-case (MAX) 3.12 1.25 "C/W
Rthramb Thermal resistance junction-ambient (MAX) 62.5 62.5 °C/W
CONNECTION DIAGRAM (TOP VIEW)
C) GND 3 GND
GND 2 WC
GND 1 VIN
ELECTRICAL CHARACTERISTICS (Vcc=12V; Tease=25°C unless otherwise specified)
Symbol Parameter Test Conditions Min Typ Max Unit
VIN Input Voltage 4.2 5.5 V
VIN=4.2V; lc=5A (See test circuit) 5 mA
I In t C rrent
IN pu u v.N=5v; lc=5A 10 mA
Icgo Collector Cut-off Current VIN=OV; HVC=250V 250 pA
Vs (*) High voltage clamp -40oCVIN=4.2V; -40°CIo. (*) Coil Current Limit VIN=5V; -40°C(See note 1)
Power Stage Saturation - . -
ch(sat) Voltage lc=5A; liN=10mA 2.5 V
v, (**) Diode Forward Voltage lf=10A 3.5 V
Coil current variation in - =
Alcl respect to VIN=5V lhN=4.5 . 5.5V 200 mA
(*) Coil data: primary resistance RC=0.4 + 0.89, primary inductance Lc=6 + 8mH
(**) Pulsed: pulse duration= 300ps, duty cycle=1.5%
NOTE 1: Id is also controlled in respect to the variation of VIN between 4.5 and 5.5V
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