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L9301 Datasheet(PDF) 31 Page - STMicroelectronics

Part # L9301
Description  Automotive octal low side driver or quad low side plus quad high side driver
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9301 Datasheet(HTML) 31 Page - STMicroelectronics

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L9301
Low side driver
50
9.3.6
OC comparator self-test
L9301 provides driver OC comparator self-test function. During OFF phase, the OC
comparator still works and the expected result is '1' due to high VDS. If L9301 detects OC '0'
during OFF phase, the SPI bit oc_comparator_f is set to '1'.
For OUT1-8, if a STG fault is present at OFF phase, the OC comparator inputs are still
forced to have OC '1'.
9.3.7
Electrical characteristics related to diagnosis
Table 21. Electrical characteristics related to diagnosis
Pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
OUT1-8
TOver_temperature_blanking
Over temperature
blanking time
Tested by scan
1
-
1.5
μs
TOver_temperature_filter
Over temperature filter
time
Tested by scan
2
-
5
μs
Ropen_load_LS
Min. resistor value
open load detection
Not tested
500
-
-
kΩ
IMAX_LS
Output current
Not tested
-
2.2
-
A
IOVC1_OUT1-4
Over current
threshold1 OUT1-4
-
123
A
IOVC2_ OUT1-4
Over current
threshold2 OUT1-4
-
345
A
IOVC1_OUT5-8
Over current
threshold1 OUT5-8
-
246
A
IOVC2_ OUT5-8
Over current
threshold2 OUT5-8
-6
8
10
A
TFLT_OVC_LS
Over current filtering
time
Tested by scan
3
-
5
μs
TFLT_diagoff_LS
Filtering open load
and short to GND
diag. off
Tested by scan
55
-
80
μs
Td_blank0_LS
Diagnosis blanking
time after switch-off
Tested by scan
600
-
900
μs
Td_blank1_LS
Diagnosis blanking
time after switch-off
Tested by scan
300
-
450
μs
VTOPEN_LS
Open load threshold
voltage
-
2.7
-
3.1
V
VOUTOPEN_LS
Open load output
voltage
Open load
condition
2,3
2.5
2,7
V
VTGND_LS
Output short-circuit to
GND voltage
threshold
-
1.9
-
2.3
V
IOUT_PD_LS
Output diagnostic pull-
down current @ OFF
STATE
OUTx = 5 V
40
70
100
μA



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