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L9788 Datasheet(PDF) 98 Page - STMicroelectronics

Part # L9788
Description  Multifunction IC for automotive engine management system
PDF  264 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9788 Datasheet(HTML) 98 Page - STMicroelectronics

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Low-side drivers
L9788
98/264
DS12308 Rev 4
Ton_OUTx
Propagation delay from
MSC_EN rising edge to
80% output OUTx
voltage
VB_IN = 14 V, Rload = 15 Ω,
Cload = 10 nF
--
8
µs
SOL1/2
Toff_OUTx
Propagation delay from
MSC_EN falling edge to
20% output OUTx
voltage
VB_IN = 14 V, Rload = 15 Ω,
Cload = 10 nF
--
8
µs
SOL1/2
Vclamp_OUTx OUTx clamping voltage
ILOAD = 1.3 A
50
55
60
V
SOL1/2
Vclamp_OUTx
_high_curr
OUTx clamping voltage
ILOAD = 3 A
Guaranteed by design,
provided single pulse
energy limits are not
violated by clamping action
50
55
60
V
SOL1/2
I_ovc_sol
Over current driver
threshold
-3
4.5
6
A
SOL1/2
I_LS_ocv_flt
LS overcurrent filter time Guaranteed by scan
4
-
7
µs
SOL1/2
T_SD_HIGH
Temperature shut down
-
185
-
200
°C
SOL1/2
T_SD_LOW
Temperature shut down
recover
-
175
-
190
°C
SOL1/2
T_SD_hys
Temperature shut down
hysteresis
-5
-
10
°C
SOL1/2
-
Thermal shutdown
analog filter time
Guaranteed by design
1.5
-
4
µs
SOL1/2
t_SD_deglitch
Digital deglitch filter time
on Temperature shut
down detection
Guaranteed by scan
-
10
-
µs
SOL1/2
OFF state diagnostic
VLVT
Short to GND threshold
voltage
Driver tristate, diag enabled
1.9
2.1
VOUT
OPEN
-180mV
VSOL1/2
V_OL
Open load threshold
voltage
Driver tristate, diag enabled
VOUT
OPEN
+160mV
2.9
3.0
V
SOL1/2
VOL
Open load voltage
Driver tristate, diag enabled
2.3
2.5
2.7
V
SOL1/2
I_LS_PU1
Diagnostic pull up
current
In OFF condition,
OUTx < VLVT,
Ipupd_EN = ENB,
Ipupd_MODE =”1”
2.5
3.6
4.7
mA
SOL1/2
I_LS_PU2
Diagnostic pull up
current
In OFF condition,
OUTx < VLVT,
Ipupd_EN = ENB,
Ipupd_MODE =”0” and
IDIAG_HIGH_SOL =”0”
40
70
100
µA
SOL1/2
Table 47. Low-side driver - SOLENOID VALVE electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Pin



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