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L9349DIE1 Datasheet

  • L9349DIE1

  • QUAD INTELLIGENT POWER LOW SIDE SWITCH

  • 12頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L9349
QUAD INTELLIGENT POWER LOW SIDE SWITCH
s
s
s
s
s
s
s
Quad power low side driver with 2 x 5A and
2 x 3A output current capability
Low R
DSON
typically 200m鈩?and 300m鈩?/div>
@ T
j
= 25擄C
Internal output clamping structures with
V
FB
= 50V for fast inductive load current
recirculation
Limited output voltage slew rate for low EMI
Protected
碌P
compatible enable and input
Wide operating supply voltage range 4.5V to 32V
Real time diagnostic functions:
鈥?Output shorted to GND
鈥?Output shorted to V
SS
鈥?Open load detection in ON and OFF condition
鈥?Load bypass detection
鈥?Overtemperature detection
Device protection functions:
鈥?Overload disable
鈥?Selective thermal shutdown
Signal- and Power-Ground-loss shutdown
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
碌P
compatible. Particular care has
been taken to protect the device against failures, to
avoid electromagnetic interferences and to offer ex-
tensive real time diagnostic.
s
s
BLOCK DIAGRAM
IN1
D1
EN
Channel 1
OUT1
VS
52V
Output Control
IN4
R
Q
D4
Diagnostic
Control
Channel 4
Openload
S
Delay
Time
Overtemp
R
IO
OUT4
Overload
IN2
D2
Channel 2
OUT2
IN3
D3
Channel 3
OUT3
00AT0025
GND
September 2002
1/12

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