VB027 Datasheet, PDF (3/9 Pages) STMicroelectronics – HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C.

VB027 / VB027(011Y) / VB027(012Y)
ELECTRICAL CHARACTERISTICS (V_CC=13.5V; V_d=5V; Tj=25ºC; R_coil=510mΩ; L_coil=7mH unless otherwise
specified)
Symbol
V_cl
V_cg(sat)
V_cg(sat)td
I_d(off)
I_d(on)
V_d
I_cl
I_cl(td)
V_INH
V_INL
I_INH
V_diagH
V_diagL
I_C(diag1)
I_C(diag1)td
I_C(diag2)
I_C(diag2)td
t_d(off)
t_f(off)
t_d(diag)
t_r(diag)
t_f(diag)
Parameter
Test Conditions
High voltage clamp
Power stage saturation
voltage
-40°C≤T_j≤125°C; I_C=6A
I_C=6A; V_IN=4V
Power stage saturation
voltage derating in
temperature
I_C=6A; V_IN=4V; -40°C≤T_j≤125°C
Power-off supply current
Power-on supply current
Driving stage supply
voltage
V_IN=0.4V
V_IN=4V; I_C=6A; -40°C≤T_j≤125°C
Collector current limit
V_IN=4V (See note 1)
Collector current limit drift
with temperature
See figure 3
High level input voltage
Low level input voltage
High level input current
High level diagnostic
output voltage
V_IN=4V
R_EXT=22KΩ (See figure 1)
Low level diagnostic
output voltage
R_EXT=22KΩ (See figure 1)
First threshold level
collector current
First threshold level
collector current drift with See figure 4
temperature
Second threshold level
collector current
Second threshold level
collector current drift with See figure 5
temperature
Turn-off delay time of
output current
I_C=6A; (See note 2)
Turn-off fall time of output
current
I_C=6A
Delay time of diagnostic
current
R_EXT=22KΩ (See figure 1)
Turn-on rise time of
diagnostic current
R_EXT=22KΩ (See figure 1)
Turn-off fall time of
diagnostic current
R_EXT=22KΩ (See figure 1)
Min Typ Max Unit
300 360 400
V
1.5
V
2
V
10
mA
130 mA
4.5
5.5
V
8
8.5
9
A
4
5.5
V
0
0.8
V
200
µA
3.5
(*)
V_d
V
0.5
V
4.25 4.5 4.75
A
5.45 5.8 6.15
A
25
µs
8
µs
1
µs
1
µs
1
µs
Note 1: the primary coil current value I_cl must be measured 1ms after desaturation of the power stage.
Note 2: time from input switching V_NEG until collector voltage equal 200V.
(*) V_d - V_be(on)
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