ST L6377 User Manual
L6377
L6377
0.5A HIGH-SIDE DRIVER INTELLIGENT POWER SWITCH
PRODUCT PREVIEW
0.5 A OUTPUT CURRENT
8 TO 35 V SUPPLY VOLTAGE RANGE EXTERNALLY PROGRAMMABLE CURRENT LIMIT
NON-DISSIPATIVE OVER-CURRENT PROTECTION
THERMAL SHUTDOWN
UNDER VOLTAGE LOCKOUT WITH HYSTERESYS
DIAGNOSTIC OUTPUT FOR UNDER VOLTAGE, OVER TEMPERATURE AND OVER CURRENT
EXTERNAL ASYNCHRONOUS RESET INPUT PRESETTABLE DELAY FOR OVERCURRENT DIAGNOSTIC
OPEN GROUND PROTECTION
PROTECTION AGAINST SURGE TRANSIENT (IEC 801-5)
IMMUNITY AGAINST BURST TRANSIENT (IEC 801-4)
ESD PROTECTION (HUMAN BODY MODEL
±2KV)
BLOCK DIAGRAM
VS
MULTIPOWER BCD TECHNOLOGY
MINIDIP |
SO14 |
ORDERING NUMBERS: L6377 (MINIDIP)
L6377D (SO)
DESCRIPTION
This device is a monolithic Intelligent Power Switch in Multipower BCD Technology for driving inductive, capacitive or resistive loads.
Diagnostic for CPU feedback and extensive use of electrical protections make this device inherently indistructible and suitable for general purpose industrial applications.
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CHARGE |
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VS |
GND |
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PUMP |
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RS |
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IN+ |
+ |
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CURRENT |
OVC |
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- |
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DRIVER |
LIMIT |
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1.3V |
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OUT |
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UV |
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R |
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+ |
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SHORT CIRCUIT |
RSC |
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CONTROL |
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1.3V |
- |
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DIAG |
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OVT |
UV |
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ON DELAY |
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DELAY |
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C DON |
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D94IN075D |
February 1996 |
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1/11 |
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
L6377
ABSOLUTE MAXIMUM RATINGS
Symbol Pin
Vs 3
Vs - Vout |
3 vs 2 |
Vod
5
Iod
IRESET
4
VRESET
Iout
Vout 2
Eil
Ptot
Vdiag
6
Idiag
Ii
7
Vi
Top
Tj
Tstg
Parameter |
Value |
Unit |
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Supply Voltage (tw < 10ms) |
50 |
V |
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Supply Voltage (DC) |
40 |
V |
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Supply to Output Differential voltage |
internally limited |
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Externally Forced Voltage |
-0.3 to 7 |
V |
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Externally Forced Current |
±1 |
mA |
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Reset Input Current (forced) |
±2 |
mA |
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Reset Input Voltage |
-0.3 to 40 |
V |
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Output Current (see also Isc) |
internally limited |
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Output Voltage |
internally limited |
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Total Energy Inductive Load (Tj = 125°C) |
50 |
mJ |
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Power Dissipation |
internally limited |
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External voltage |
-0.3 to 40 |
V |
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Externally forced current |
-10 to 10 |
mA |
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Input Current |
20 |
mA |
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Input Voltage |
-10 to Vs +0.3 |
V |
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Ambient temperature, operating range |
-25 to 85 |
°C |
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Junction temperature, operating range (see |
-25 to 125 |
°C |
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Overtemperature Protection) |
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Storage temperature |
-55 to 150 |
°C |
PIN CONNECTION (Top view)
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N.C. |
1 |
14 |
N.C. |
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GND |
1 |
8 |
RESET |
GND |
2 |
13 |
RESET |
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OUT |
3 |
12 |
IN+ |
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OUT |
2 |
7 |
IN+ |
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VS |
4 |
11 |
DIAG |
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VS |
3 |
6 |
DIAG |
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RSC |
5 |
10 |
ON DELAY |
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RSC |
4 |
5 |
ON DELAY |
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N.C. |
6 |
9 |
N.C. |
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D94IN054D |
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N.C. |
7 |
8 |
N.C. |
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D96IN368 |
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2/11
L6377
PIN DESCRIPTION
No |
Pins |
Description |
1 |
GND |
Ground pin. |
2 |
OUT |
High side output. Controlled output with current limitation. |
3 |
VS |
Supply voltage. Range with under voltage monitoring |
4 |
Rsc |
Current limiting setting. |
5 |
ON DELAY |
Delay setting for overcurrent diagnostic |
6 |
DIAG |
Diagnostic open drain output for over temperature, under voltage and overcurrent |
7 |
IN+ |
Comparator non inverting input |
8 |
RESET |
Asynchronous reset input |
THERMAL DATA
Symbol |
Parameter |
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MINIDIP |
SO14 |
Unit |
Rth j-amb |
Thermal Resistance, Junction Ambient |
Max. |
100 |
150 |
°C/W |
3/11
L6377
ELECTRICAL CHARACTERISTICS (Vs = 24V; Tj = -25 to 125°C; unless otherwise specified.)
DC OPERATION
Symbol
Vsmin
Vs
Vsth
Vshys
Iq
Iqo
Vith
Viths
Vil
Vih
Iib
Vrth
Vrl
Vrh
Irb
Idch
Vrsc
Irsc
Idlkg
Vdiag
Vdon
Iolk
Vol
Vcl
Isc
Tmax
Thys
Pin
3
7
8
5
4
6
2
Parameter
Supply Voltage for Valid
Diagnostic
Operative Supply Voltage
Under Voltage Lower Threshold
Under Voltage Hysteresis
Quiescent Current
Quiescent Current
Input Threshold Voltage
Input Threshold Hysteresis
Input Low Level Voltage
Input High Level Voltage
Input Bias Current
Reset Threshold Voltage
Reset Low Level Voltage
Reset High Level Voltage
Reset Pull Down Current
Delay Capacitor Charging
Current
Output Voltage on Rsc pin Output Current on Rsc pin Diagnostic Output Leakage Curr. Diagnostic Output Voltage Drop Output Voltage Drop
Output Leakage Current
Output Low State Voltage
Internal Voltage Clamp (Vs-Vout)
Short Circuit Output Current
Over Temperature Upper
Threshold
Over Temperature Hysteresis
Test Condition
Idiag = >0.5mA;
Vdiag = 1.5V;
Output Open
Output On
Vs< 18V
Vs> 18V
Vi = -7 to 15V
ON DELAY pin shorted to Ground
Rsc pin floating
Rsc pin shorted to GND Diagnostic Off
Idiag =5mA;
Iout =625mA; Tj =25°C
Iout =625mA; Tj =125°C
Vi = LOW; Vout=0
Vi = HIGH; pin floating
Io=200mA
single pulsed =300μs
Vs=8 to 35V; Rl =2Ω; Rsc =5 to 30KΩ
Vs=8 to 35V; Rl =2Ω; Rsc <5 KΩ
Min. |
Typ. |
Max. |
Unit |
4 |
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35 |
V |
8 |
24 |
35 |
V |
7 |
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8 |
V |
300 |
500 |
700 |
mV |
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800 |
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μA |
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1.6 |
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mA |
0.8 |
1.3 |
2 |
V |
50 |
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400 |
mV |
-7 |
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0.8 |
V |
2 |
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Vs -3 |
V |
2 |
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15 |
V |
-250 |
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250 |
μA |
0.8 |
1.3 |
2 |
V |
0 |
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0.8 |
V |
2 |
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40 |
V |
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5 |
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μA |
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2.5 |
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μA |
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1.25 |
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V |
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300 |
μA |
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25 |
μA |
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1.5 |
V |
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250 |
350 |
mV |
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400 |
550 |
mV |
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100 |
μA |
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0.8 |
1.5 |
V |
48 |
53 |
58 |
V |
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5/Rsc = KΩ |
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A |
0.75 |
1.1 |
1.5 |
A |
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150 |
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°C |
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20 |
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°C |
4/11
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