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L9349DIE1 fiches techniques PDF

STMicroelectronics - QUAD INTELLIGENT POWER LOW SIDE SWITCH

Numéro de référence L9349DIE1
Description QUAD INTELLIGENT POWER LOW SIDE SWITCH
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L9349DIE1 fiche technique
L9349
QUAD INTELLIGENT POWER LOW SIDE SWITCH
s Quad power low side driver with 2 x 5A and
2 x 3A output current capability
s Low RDSON typically 200mand 300m
@ Tj = 25°C
s Internal output clamping structures with
VFB = 50V for fast inductive load current
recirculation
s Limited output voltage slew rate for low EMI
s Protected µP compatible enable and input
s Wide operating supply voltage range 4.5V to 32V
s Real time diagnostic functions:
– Output shorted to GND
– Output shorted to VSS
– Open load detection in ON and OFF condition
– Load bypass detection
– Overtemperature detection
s Device protection functions:
– Overload disable
– Selective thermal shutdown
s Signal- and Power-Ground-loss shutdown
BLOCK DIAGRAM
PowerSO20
BARE DIE
ORDERING NUMBERS:
L9349
L9349DIE1
DESCRIPTION
The L9349 is a monolithic integrated quad low side
driver realized in an advanced MultipowerBCD mixed
technology. The device is intended to drive valves in
automotive environment.
The inputs are µP compatible. Particular care has
been taken to protect the device against failures, to
avoid electromagnetic interferences and to offer ex-
tensive real time diagnostic.
IN1
D1
Channel 1
EN
OUT1
VS
Output Control
52V
OUT4
IN4
Overtemp
RIO
R
QS
Delay
Time
Overload
D4
Diagnostic
Control
Channel 4
Openload
IN2
D2
Channel 2
OUT2
September 2002
IN3
D3
00AT0025
Channel 3
GND
OUT3
1/12

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