L9651
4/9
Logic Inputs IN1...IN4, SY, CL, DI, R
V
INiLH
V
SYLH
V
CLLH
V
RLH
V
DILH
Input High level 3.5 6.5 V
V
INiHL
V
SYHL
V
CLHL
V
RHL
V
DIHL
Input Low level -0.3 1.5 V
V
INih
V
SYh
V
CLh
V
Rh
V
DIh
Hysteresis 0.2 1 V
- I
INi
- I
SY
- I
C L
- I
R
Input current IN1 ... IN4, SY, CL, R
(Internal pull up current source)
V
INi
= 0V 10 40 120 A
V
SY
= 0V
V
CL
= 0V
V
R
= 0V
10 80
- I
DI
Input current DI
(Internal pull up current source)
V
DI
= 0V 120 220 250 A
Timing
t
don
Turn on delay 7.5 s
t
doff
Turn off delay 7.5 s
s
on
Switch on slew rate 10 V/s
s
off
Switch off slew rate 15 V/s
t
oc
Over current detection time 0.5 s
t
v
Open load filtering time 60 100 200 s
t
v
Short to GND filtering time 60 100 200 s
f
CL
Serial clock frequency 0 500 kHz
t
vDV
DO: Datavalidtime 0.03 1 s
t
vset
DI: Datasettlingtime 0.5 s
t
vhold
DI: Dataholdtime 0 s
Diagnostic
V
BATDU
Under voltage threshold 4.7 7.5 V
Serial Data output (External pull up required)
V
DO
Data output low voltage I
DO
< 1.6mA
7.5V < V
BAT
< 22V
0 0.45 V
| I
DO
| Data output leakage current 10 A
Symbol Parameter Test Condition Min. Typ. Max. Unit
ELECTRICAL CHARACTERISTCS
(continued)
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)
L9651
6/9
Figure 2. Serial Interface Error Coding
Figure 3. Output voltage TIMING for inductive load
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5 BIT 6
BIT 7
BIT 8
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
BIT n
DI
H
H
LH
H
L
LL
o.k.
open load/over temperature
short to battery
short to ground
V
INiH
V
INiL
t
t
0.8V
CL
V
INi
td
off
td
on
0.8V
BAT
0.2V
BA
T
s
ON
s
OFF
V
CL
V
OUTi
V
BAT

L9651

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Power Switch ICs - Power Distribution Smart Quad Switch
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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