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L9788 Datasheet(PDF) 117 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) 117 Page - STMicroelectronics

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DS12308 Rev 4
117/264
L9788
High/low-side drivers - STARTER STR[1:3]
263
Tflt_diagoff2
-
Guaranteed by scan
Cload = 15 nF
1000
1200
1500
us
STR1/2/3
Tflt_diagoff1
-
Guaranteed by scan
Cload = 15 nF
130
160
200
us
STR1/2/3
OFF state diagnostic – LS configuration
VLVT
Short to GND
threshold
voltage
LS configuration
1.9
-
VOUT
OPEN
-180mV
VSTR1/2/3
V_OL_TH_Lowside
Open load
threshold
voltage
LS configuration
VOUT
OPEN
+160mV
-3.0
V
STR1/2/3
VOUTOPEN_Lowside
Open load
voltage
LS configuration
2.3
2.5
2.7
V
STR1/2/3
I_LS_PU1
Diagnostic pull
up current in Ls
configuration
In OFF condition,
STRx_DRN < VLVT,
IPUPD_EN_STRx =ENB,
Ipupd_MODE =”1”
2.5
3.6
4.7
mA
STR1/2/3
I_LS_PU2
In OFF condition,
STRx_DRN < VLVT,
IPUPD_EN_STRx =ENB,
Ipupd_MODE =”0”
40
70
100
µA
STR1/2/3
I_LS_PD1
Diagnostic pull
down current in
Ls configuration
In OFF condition,
STRx_DRN > VOUTO
PEN,
IPUPD_EN_STRx =ENB
55
85
100
µA
STR1/2/3
Tflt_diagoff2
DIAG Filter time
in Ls
configuration
Filter Mode = 1
Guaranteed by scan
Cload = 15 nF
450
600
750
µs
STR1/2/3
Tflt_diagoff1
DIAG Filter time
in Ls
configuration
fast discharge
enable Filter
Mode = 0 (fast
diag off)
Guaranteed by scan
Cload = 15 nF
75
100
125
µs
STR1/2/3
Common diagnostic – LS/HS configuration
T_SD_HIGH
Temperature
shut down
-
185
-
200
°C
STR1/2/3
T_SD_LOW
Temperature
shut down
recover
-
175
-
190
°C
STR1/2/3
T_SD_hys
Temperature
shut down
hysteresis
-5
-
10
°C
STR1/2/3
Table 50. High/low-side driver - STARTER electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Pin



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