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L6377
0.5A HIGH-SIDE DRIVER
INTELLIGENTPOWER SWITCH
PRODUCT PREVIEW
0.5 A OUTPUT CURRENT
8 TO 35V SUPPLY VOLTAGE RANGE
EXTERNALLY PROGRAMMABLE CURRENT
LIMIT
NON-DISSIPATIVE OVER-CURRENT PRO-
TECTION
THERMALSHUTDOWN
UNDER VOLTAGE LOCKOUT WITH HYS-
TERESYS
DIAGNOSTIC OUTPUT FOR UNDER VOLT-
AGE, OVER TEMPERATURE AND OVER
CURRENT
EXTERNALASYNCHRONOUSRESETINPUT
PRESETTABLE DELAY FOR OVERCUR-
RENT DIAGNOSTIC
OPENGROUNDPROTECTION
PROTECTION AGAINST SURGE TRAN-
SIENT (IEC 801-5)
IMMUNITY AGAINST BURST TRANSIENT
(IEC801-4)
ESD PROTECTION (HUMAN BODY MODEL
2KV)
±
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
MINIDIP
ORDERING NUMBERS: L6377 (MINIDIP)
L6377D (SO)
SO14
DESCRIPTION
This device is a monolithic Intelligent Power
Switch in Multipower BCD Technology for driving
inductive,capacitiveor resistive loads.
Diagnostic for CPU feedback and extensive use
of electrical protections make this device inherently indistructible and suitable for general purpose industrialapplications.
V
S
V
CHARGE
PUMP
+
-
1.3V
R
DIAG
February 1996
This is advanced information on a new product now in development or undergoing evaluation. Details are subjectto changewithoutnotice.
+
-1.3V
DRIVER
OVT UV
S
R
S
UV
SHORT CIRCUIT
CONTROL
CURRENT
LIMIT
OVCIN+
DELAY
GND
OUT
R
SC
ON DELAY
C
DON
D94IN075D
1/11
L6377
ABSOLUTE MAXIMUM RATINGS
Symbol Pin Parameter Value Unit
V
s
Supply Voltage (t
3
Supply Voltage (DC) 40 V
s -Vout 3 vs 2 Supply to Output Differential voltage internally limited
V
V
od
I
od
I
RESET
RESET Reset Input Voltage -0.3 to 40 V
V
I
out
V
out
E
il
P
tot
V
diag
I
diag
I
i
V
i
T
op
T
j
T
stg
Externally Forced Voltage -0.3 to 7 V
5
Externally Forced Current ±1mA
Reset Input Current (forced)
4
Output Current (see also I
2
Output Voltage internally limited
Total Energy Inductive Load (Tj= 125°C) 50 mJ
Power Dissipation internally limited
External voltage -0.3 to 40 V
6
Externally forced current -10 to 10 mA
Input Current 20 mA
7
Input Voltage -10 to Vs+0.3 V
Ambient temperature, operating range -25 to 85
Junction temperature, operating range (see
Overtemperature Protection)
Storage temperature -55 to 150 °C
< 10ms) 50 V
w
2mA
±
) internally limited
sc
-25 to 125 °C
C
°
PIN CONNECTION (Top view)
GND
OUT
V
R
SC
2
S
3
4
D94IN054D
8
7
6
5
RESET1
IN+
DIAG
ON DELAY
N.C.
GND
OUT
V
R
SC
N.C.
N.C.
14
2
3
S
4
5
6
7
D96IN368
13
12
11
10
9
8
N.C.1
RESET
IN+
DIAG
ON DELAY
N.C.
N.C.
2/11
PIN DESCRIPTION
No Pins Description
1 GND Ground pin.
2 OUT High side output. Controlled output withcurrent limitation.
3V
4 Rsc Current limiting setting.
5 ON DELAY Delay setting for overcurrent diagnostic
6 DIAG Diagnostic open drain output for overtemperature, under voltage and overcurrent
7 IN+ Comparator non inverting input
8 RESET Asynchronous reset input
S
Supply voltage. Range with under voltage monitoring
THERMAL DATA
Symbol Parameter MINIDIP SO14 Unit
R
th j-amb
Thermal Resistance, Junction Ambient Max. 100 150 °C/W
L6377
3/11
L6377
ELECTRICALCHARACTERISTICS (Vs= 24V;Tj= -25 to 125°C; unlessotherwisespecified.)
DC OPERATION
Symbol Pin Parameter Test Condition Min. Typ. Max. Unit
V
smin
V
s
V
sth
V
shys
I
q
I
qo
ith
V
V
iths
V
il
ih Input High Level Voltage Vs< 18V 2 V
V
I
ib
V
rth
V
rl
V
rh
I
rb
I
dch
V
rsc
I
rsc
dlkg
I
diag Diagnostic Output Voltage Drop Idiag =5mA; 1.5 V
V
V
don
I
olk
V
ol
V
cl
I
sc
T
max
T
hys
Supply Voltage for Valid
Diagnostic
Operative Supply Voltage 8 24 35 V
3
Under VoltageLower Threshold 7 8 V
Under VoltageHysteresis 300 500 700 mV
Quiescent Current Output Open 800
Quiescent Current Output On 1.6 mA
Input Threshold Voltage 0.8 1.3 2 V
InputThreshold Hysteresis 50 400 mV
InputLow LevelVoltage -7 0.8 V
7
Input Bias Current Vi= -7 to 15V -250 250 µA
Reset Threshold Voltage 0.8 1.3 2 V
ResetLow Level Voltage 0 0.8 V
8
ResetHigh LevelVoltage 2 40 V
ResetPull Down Current 5 µA
Delay Capacitor Charging
5
Current
Output Voltage on R
4
pin Rsc pin floating 1.25 V
sc
Output Current on Rscpin Rsc pin shorted to GND 300 µA
Diagnostic Output Leakage Curr. Diagnostic Off 25 µA
6
Output Voltage Drop I
Output Leakage Current Vi= LOW; V
Output Low State Voltage Vi= HIGH; pin floating 0.8 1.5 V
2
Internal Voltage Clamp (Vs-V
out
)
Short CircuitOutput Current
Over Temperature Upper
Threshold
Over Temperature Hysteresis 20 °C
= >0.5mA;
I
diag
= 1.5V;
V
diag
s> 18V 2 15 V
V
ON DELAY pin
shorted to Ground
out =625mA; T
I
=625mA; Tj=125°C 400 550 mV
out
=200mA
I
o
single pulsed =300µs
=25°C 250 350 mV
j
=0 100 µA
out
Vs=8 to 35V; Rl=2Ω;
=5 to 30K
R
sc
V
=8 to 35V; Rl=2
s
<5KΩ
R
sc
Ω
Ω;
435V
-3 V
s
2.5 µA
48 53 58 V
=KΩ A
5/R
sc
0.75 1.1 1.5 A
150 °C
A
µ
4/11
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