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PDF L9362 Data sheet ( Hoja de datos )
| Número de pieza | L9362 | |
| Descripción | QUAD LOW SIDE DRIVER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L9362 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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L9362
QUAD LOW SIDE DRIVER
s QUAD LOW-SIDE DRIVER FOR AUTOMO-
TIVE APPLICATION
s CURRENT FEEDBACK OUTPUT FOR EACH
POWER STAGE
s 5V SUPPLY VOLTAGE
s INTERNAL FAILURE DIAGNOSTIC
s OUTPUT VOLTAGE SLOPE CONTROL FOR
LOW ELECTRO MAGNETIC EMISSIONS
s INTERNAL SHORT CIRCUIT PROTECTION
s OVERTEMPERATURE PROTECTION AND
OVERCURRENT PROTECTION AND DISABLE
s SWITCHING FREQUENCY UP TO 2kHZ
s INTERNAL ZENER CLAMP OF THE OUTPUT
VOLTAGE FOR INDUCTIVE LOADS
s PARALLEL INPUT
s SPI FOR DIAGNOSTIC INFORMATION EX-
CHANGE
s RESET INPUT
BLOCK DIAGRAM
VCC
PowerSO36
ORDERING NUMBER: L9362
s TYPICAL INTERNAL OSCILLATOR FRE-
QUENCY 325kHZ
DESCRIPTION
The Quad Driver is an integrated quad low-side
power switch with power limitation, load interrupt
and shorted load detection, thermal shutdown, er-
ror detection via SPI interface and integrated Z-di-
odes for output clamping, free running diodes.
VCC
VCC
ROL
NON1
NON2
=
Reset
Trigger
S
R
NON3
NON4
Reset
VCC
FR IRES
RESET
Driver
=
=
NON1
I_SCB Filter
t_SCB
NON1
dV/dt
Control
Overtemp.
=
=
SDI
VCC
=
CLK
VCC
=
NSC
IRES
SDO
Failure
Register
(FR)
Shift
Register
Reset ≥1
Under
voltage
RESET
I_OL Filter
t_OL
NON1
SCG Filter
t_SCG
VCC OSC
RESET
= Oscillator
=
=
OUT1
OUT2
OUT3
OUT4
PGND1
PGND2
PGND3
PGND4
CFB1
CFB2
CFB3
CFB4
99AT0007
LGND
SGND
NRES
May 2002
1/17
1 page  
L9362
ELECTRICAL CHARACTERISTICS (continued)
4.5V ≤ VCC ≤ 5.5V, -40°C ≤ TJ ≤ 125°C, unless otherwise specified.
Symbol
Parameter
Test Conditions
Powerstage protection
ISCB Short current detection and switch With filter-time t_SCB.
off threshold
t_SCB Short circuit switch off delay time
Vccmin VCC undervoltage
Current feedback
TRatio 1 ICFB / IOUT for IOUT=0.4...2A 4)
VCFB ≥ 1.8V
TMPS1 6)
5)
Temperature stability
for 0.4A to < 2.0A, related to
25°C
CURS1 for IOUT = 0.4A to 2A 5)
Current stability
∆gain/Gain at 2A
TJ = -40°C
TJ = +25°C
CURlin1 6) for IOUT = 0.4A to 1.0A 4)
CURlin2 for IOUT = 1.0A to 2.0A 4)
TJ = +125°C
Linearity Error
(within the calibration points
at 0.5A, 1A, 2A)
Note 4:
Note 5:
Note 6:
At 150°C guaranteed by design and electrical characterisation
Guaranteed by design and electrical characterisation
Values for TMPS1, CURlin1 and CURlin2 are typical values from testing results
Diagnostic
VREF1 Short to GND threshold voltage
for IOUT ≤ 2A
t_SCG Short to GND filter time
IOL Open load threshold current
t_OL Open load filter time
ROL Pullup resistor at OUT1, OUT2,
OUT3 and OUT4 for OL detection
TOFF
Temperature detection threshold 7)
Note 7: Guaranteed by measurement and correlation
Min.
3.0
3.0
1.45
-12
-6
-5
0.390
•VCC
140
10
140
2.0
155
Typ.
3
1.65
±3
±0.2
170
Max. Unit
5.0 A
30 µs
4.0 V
2 mA/A
±6 %
17 %
10 %
5%
±1 %
±0.7 %
0.435
•VCC
250
55
265
8.0
V
µs
mA
µs
kΩ
190 °C
5/17
5 Page 
Figure 7. Different cases for an Open Load failure detection (case 11 to 20)
CASE 11
Output
Current
IOL
Failure Register
Status
CASE 12
Output
Current
IOL
Failure Register
Status
CASE 13
Output
Current
IOL
Failure Register
Status
CASE 14
Output
Current
IOL
Failure Register
Status
CASE 15
Output
Current
IOL
Failure Register
Status
CASE 16
Output
Current
IOL
Failure Register
Status
CASE 17
Output
Current
IOL
Failure Register
Status
CASE 18
Output
Current
IOL
Failure Register
Status
CASE 19
Output
Current
IOL
Failure Register
Status
CASE 20
Non Input
Failure Register
Reset
Output
Current
IOL
Failure Register
Status
00AT0005
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL
t OL t OL
t OL
t OL t OL t OL
L9362
11/17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet L9362.PDF ] | |
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