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L9377DIE1 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer L9377DIE1
Beschreibung DUAL INTELLIGENT POWER LOW SIDE SWITCH
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 9 Seiten
L9377DIE1 Datasheet, Funktion
® L9377
DUAL INTELLIGENT POWER LOW SIDE SWITCH
DUAL POWER LOW SIDE DRIVER WITH 2 x
5A
LOW RDSON TYPICALLY 200m@ TJ = 25°C
INTERNAL OUTPUT CLAMPING DIODES
VFB=50V FOR INDUCTIVE RECIRCULATION
LIMITED OUTPUT VOLTAGE SLEW RATE
FOR LOW EMI
µP COMPATIBLE ENABLE AND INPUT
WIDE OPERATING SUPPLY VOLTAGE
RANGE 4.5V TO 45V
REAL TIME DIAGNOSTIC FUNCTIONS:
- OUTPUT SHORTED TO GND
- OUTPUT SHORTED TO VSS
- OPEN LOAD
- LOAD BYPASS
DEVICE PROTECTION FUNCTIONS:
- OVERLOAD DISABLE
- REVERSE BATTERY UP TO -16V @ VS
- THERMAL SHUTDOWN
DESCRIPTION
The L9377 is a monolithic integrated dual low
side driver realized in an advanced Multipower-
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
DIE
ORDERING NUMBER: L9377DIE1
BCD mixed technology. It is especially intended
to drive valves in automotive environment. Its in-
puts are µP compatible for easy driving. Particular
care has been taken to protect the device
against failures, to avoid electro-magnetic inter-
ferences and to offer extensive real time diag-
nostic.
IN1
DIAG1
EN
Channel 1
OUT1
VS
IN2
DIAG2
Output
Control
R
QS
Overtemp
Delay
Timer
Overload
Diagnostic
Control
Channel 2
Openload
OUT2
RO
July 2000
GND
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L9377DIE1 Datasheet, Funktion
L9377
Figure 3: Block diagram - Open load voltage detection.
VBatt.
OUT1
L1
L2
OUT2
IN1
R IO R IO
VS
55%
Enable
&&
R
Latch S
R
Q
S Latch
Q
&&
VO UV1
VO UV2
IN2
6/9

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