L9363 ,QUAD INTEGRATED LOW SIDE DRIVERBLOCK DIAGRAM
L V 15 ‘15:: DQRINA
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A ) 13 ii: 1N3
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12 ..
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L9363
QUAD INTEGRATED LOW SIDE DRIVER
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QUAD INTEGRATED LOW SIDE DRIVER
LOW ON RESISTANCE (0.259 EACH OUTPUT)
VARIOUS FAULT SITUATION DETECTOR
(SHORT CIRCUIT, OPEN LOAD)
a LOAD DUMP PROTECTION
u OVER-VOLTAGE PROTECTION
u INDIVIDUAL OUTPUT OVER-CURRENT
PROTECTION
n CLAMPING VOLTAGE (HIGHER THAN 60V)
FOR DRIVING INDUCTIVE LOAD
DESCRIPTION
The L9363 is a monolithic quad low side driver
with DMOS outputs, designed for automotive en-
vironment especially in the injectors driving field.
Each output has a dedicated overcurrent protec-
tion and the device is overvoltage protected. The
Status pin provides the microprocessor with the
fault status feedback.
ADVANCE DATA
MULTIWATI' 1 5
ORDERING NUMBER: L9363
_ The device is housed in a Multiwatt 15 pin pack-
age. An internal zener diode connected between
the source and the drain of each power DMOS
allows a fast recirculation with a clamping voltage
higher than 60V.
UDEF Int _______
UOLTRGE i
REGULATOR ' L
0 ER CURRENT POUEQ nos ACTIUE V
ousn UDLTQGE L ups" Leno - .--. ------ot onn1~ l
ORIUER CLnnp .
UETECT DETECTIUN
UREF 1nt
STATUS t ri-rj,
. ouen CURRENT
a OPEN LORD DDUER t805 .-. QCYIUE -i-----ijDRnir4 2
DETECTION DRIUER CL :
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[ _ . _ ...... i'
UREFI Lnt [ 4% 1
[ auea cunpsnr I
1N1 L UFEH Luau DOUEQ nos ---) ACTU,SE DRAIN 3
_ DETECTION DQIUED :Lawo l
1N2 C:- T i
[Na ' -----V.-..r-tr----- .
HLDS .. VVVVVVVVVV . -..et
LOGIC _ Ei-A
[N(‘lt2l , E_/ l
Imaou > , OUER CURRENT
_ pousp nos ncvrus
_ ll OPEN LOAD .--- DRAIN A
IN SELECT DRIUEP CLQHP
DETECTION
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N32L5363~919
August 1992 1/6
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs DC Supply Voltage 0 to 25 V
Vsm Transient Supply Voltage -1.5 to 60 V
ch Peak Clamping Voltage (id = 20mA) 60 to 80 V
tmax Ouperating Frequency 400 Hz
Id Drain Current Self Limiting (min) 3 A
VIN Input Voltage -0.5 to 7.5 V
Plot Total Power Dissipation (max 25 °C) 42 W
T, Tstg Junction and Storage Temperature Range -40 to 150 °C
BLOCK DIAGRAM
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4r 13 ;: 1N3
12 r-co m4
ll ' N 3 ' d
18 S" 9 TUS:
7 wtif
5 IN ' SELEC - l
5 IN 1 1 - 2 i
( ) 3 2N1
2 :20 (N 1
I-,, 1 3231\2
me 15 ELECTRICRL GROUND tt92L9363 ibi5
THERMAL DATA
Rm ‘Lamb Thermal resistance junction to ambient 35 “CM
Rmicase Thermal resistance junction to case 3 'CAN
PIN FUNCTIONS
Pin Symbols Functions
1,2,14,15 DRAINS Outputs 2, 1, 3, 4 respectively
3,4,13,12 IN Input1,2,3,4 respectively
5 IN (1+2) This input pin drives output 1 and 2 in the same time when the IN select pin is
"HIGH"
6 IN Select This pin selects which input will be used to drive the outputs. When this pin is
"LOW" the normal input pins drive the outputs. When it's "HIGH", the IN (x + y)
(see below) drive the outputs.
7 Vs This pin is connected to Vbat.
8,9 GND Ground
10 STATUS This pin provides fault status information about the device. The following faults
will be indicated by a low state on this pin:
1) Short to Vbat or overcurrent condition on any output,
2) Open load condition on any output.
3) Over-voltage shutdown mode.
11 IN (3+4) This input pin drives output 3 and 4 in the same time when the IN select pin is
":HIGH"
r SGS-THOMSON
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