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VB525SP Datasheet, PDF (9/19 Pages) STMicroelectronics – High voltage ignition coil driver power integrated circuit
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VB525SP-E
3
Electrical characteristics
Electrical characteristics
5.3 V < Vbat < 24 V; VCC = 5 V ±10 %; -40 °C < Tj < 125 °C; Rcoil = 580 mΩ; Lcoil = 3.75 mH
unless otherwise specified(a).
Table 5.
Symbol
Electrical characteristics
Parameter
Test conditions
Min Typ Max Unit
Vcl
Vlcl
Vce(sat)
High voltage clamp
Low voltage clamp
Power stage
saturation voltage
Icoil = 6.5 A
Icoil = 6.5 A; Tj = Tsd
IC = 6 A; VIN = 4 V
320 380 420 V
30
40 50 V
1.5 2 V
ICC(stdby)
Standby supply
current
IN = Off
11 mA
ICC DC logic current
Vb = 16 V; IC = 6.5 A; f = 100 Hz;
Load = Coil; VCC = 5.5 V
ICC(peak)
Peak DC logic current
during on phase
IC = 6.5 A
40 mA
100 150 mA
VCC
Icl
Ic(off)
VINH
DC logic voltage
Coil current limit
Output off-state
current
High level input
voltage
4.5
-40 °C < Tj < 125 °C(1)
9
IN = Off; VHVC = 24 V; VCC = 5 V;
Tj = 25 °C
VCC = 4.5 V
4
5.5 V
11 A
5 mA
VCC V
VINL Low level input voltage VCC = 5.5 V
VIN(hyst)
Input threshold
hysteresis
-0.3
0.8 V
0.4
V
IINH
High level input
current
VIN = 4 V
100 µA
IINL
IINpd
VdiagH
Low level input current VIN = 0.8 V
Input active pull down VIN = 4 V
High level flag output
voltage
REXT = 22 KΩ; CEXT = 1 nF(2)
0
10
VCC - 1
30 µA
100 µA
VCC V
VdiagL
Low level flag output
voltage
REXT = 22 KΩ; CEXT = 1 nF(2)
0.5 V
IdiagTH
Coil current level
threshold
Tj = 25 °C
4.25 4.5 4.75 A
IdiagTD
Coil current level
threshold drift
(See Figure 4)
a. Parametric degradation are allowed with 5.3 V< Vb < 10 V and Vb > 24 V.
Doc ID 18022 Rev 2
9/19
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