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VN7140AS12 Datasheet(PDF) 13 Page - STMicroelectronics

Part # VN7140AS12
Description  High-side driver with Multisense analog feedback for automotive applications
PDF  39 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VN7140AS12 Datasheet(HTML) 13 Page - STMicroelectronics

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VN7140AS12
Electrical specification
DocID029756 Rev 2
13/39
7 V < VCC < 18 V; -40 °C < Tj < 150 °C
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
tD_OL_V
Settling time for valid
OFF-state open load
diagnostic indication
from rising edge of
SEn
VIN = 0 V; VOUT = 4 V;
VSEn = 0 V to 5 V
60
µs
tD_VOL
OFF-state diagnostic
delay time from rising
edge of VOUT
VIN = 0 V; VSEn = 5 V;
VOUT = 0 V to 4 V
5
30
µs
Fault diagnostic feedback (see )Table 11: "Truth table"
VSENSEH
Multisense output
voltage in fault
condition
VCC = 13 V; VIN = 0 V;
VSEn = 5 V; IOUT = 0 A;
VOUT = 4 V; RSENSE = 1
kΩ;
5
6.6
V
ISENSEH
Multisense output
current in fault
condition
VCC = 13 V; VSENSE = 5 V
7
20
30
mA
Multisense timings (current sense mode - see )(3)Figure 7: "Multisense timings (current sense mode)"
tDSENSE1H
Current sense
settling time from
rising edge of SEn
VIN = 5 V; VSEn = 0 V to 5 V;
RSENSE = 1
kΩ; RL = 13 Ω
60
µs
tDSENSE1L
Current sense
disable delay time
from falling edge of
SEn
VIN = 5 V; VSEn = 5 V to 0 V;
RSENSE = 1
kΩ; RL = 13 Ω
5
20
µs
tDSENSE2H
Current sense
settling time from
rising edge of INPUT
VIN = 0 V to 5 V; VSEn = 5 V;
RSENSE = 1
kΩ; RL = 13 Ω
100
250
µs
ΔtDSENSE2H
Current sense
settling time from
rising edge of IOUT
(dynamic response
to a step change of
IOUT)
VIN = 5 V; VSEn = 5 V;
RSENSE = 1
kΩ; ISENSE = 90 %
of ISENSEMAX; RL = 13
Ω
100
µs
tDSENSE2L
Current sense turn-
off delay time from
falling edge of input
VIN = 5 V to 0 V; VSEn = 5 V;
RSENSE
= 1 kΩ; RL = 13 Ω
50
250
μs
Notes:
(1)Parameter specified by design; not subject to production test.
(2)All values refer to VCC = 13 V; Tj = 25°C, unless otherwise specified.
(3)Transition delays are measured up to +/- 10% of final conditions.



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