Datasheet

5/9
L9651
Figure 1. Typical Timing Diagram for Serial Diagnostic
Output voltage monitoring Output off
V
OL
Open load threshold voltage
(fault detected if V
OUTi
< V
OL
)
7.5V < V
BAT
< 22V 2/3V
BAT
V
SG
Short to GND threshold voltage
(fault detected if V
OUTi
< V
SG
)
7.5V < V
BAT
< 22V 1/3V
BAT
Open load diagnostic current Output off
Open load output voltage I
OUT
= 0 A
V
INi
= 5V
7.5V < V
BAT
< 22V
1/2V
BAT
- I
OUTi
Output current V
OUT
= 1V
V
INi
= 5V
50 100 150 A
I
OUTi
Output current V
OUT
= V
BAT
V
INi
= 5V
7.5V < V
BAT
< 22V
200 320 500 A
Overload Diagnostic
Over temperature diagnostic T
J
175 °C
I
OUTi
Over current T
J
= -40°C
T
J
= 25°C
T
J
= 150°C
3.0
2.5
2.2
4.3
3.7
3.5
A
A
A
Symbol Parameter Test Condition Min. Typ. Max. Unit
Bit1 Bit2
Bit3 Bit4
Bit5 Bit7 Bit8Bit6
H
L
H
L
H
L
H
L
SY
CL
DO
DI
Fault: Open Load or Short to GND
o. k.
t
v
Di1 Di2 Di3
Di1 Di2
Di3
Reset of Shift Register
o. k.
Fault: Short to Battery or over temp.
< t
v
1/f
CL
Shift Register Data Frozen
t
vDV
t
vset
t
vhold
ELECTRICAL CHARACTERISTCS (continued)