L6377
0.5 A high-side driver quad intelligent power switch
Datasheet - production data
Protection against surge transient
(IEC 61000-4-5)
Immunity against burst transient
(IEC 61000-4-4)
Features
Multipower BCD technology
0.5 A output current
8 to 35 V supply voltage range
External programmable current limit
Non-dissipative overcurrent protection
Thermal shutdown
Undervoltage lockout with hysteresys
Diagnostic output for undervoltage,
overtemperature and overcurrent
External asynchronous reset input
Presettable delay for overcurrent diagnostic
Open ground protection
Description
This device is a monolithic intelligent power
switch in multipower BCD technology to drive
inductive, capacitive or resistive loads. Diagnostic
for CPU feedback and extensive use of electrical
protections make this device robust and suitable
for general purpose industrial applications.
Table 1: Device summary
Order code
L6377D
SO-14L
L6377D013TR
Tape and reel
Package
Packing
Tube
July 2015
DocID1637 Rev 5
1/19
www.st.com
This is information on a product in full production.
Contents
L6377
Contents
1
2
3
Pin connections ............................................................................... 5
Maximum ratings ............................................................................. 6
Electrical characteristics ................................................................ 7
3.1
3.2
3.3
3.4
Schematic diagram ........................................................................... 9
Input section .................................................................................... 10
Overtemperature protection ............................................................ 10
Undervoltage protection .................................................................. 10
4
5
6
7
Overcurrent operation ................................................................... 11
Demagnetization of inductive loads ............................................. 13
Package information ..................................................................... 15
6.1
SO-14L package information........................................................... 15
Revision history ............................................................................ 18
2/19
DocID1637 Rev 5
L6377
List of tables
List of tables
Table 1: Device summary ........................................................................................................................... 1
Table 2: Pin description .............................................................................................................................. 5
Table 3: Absolute maximum ratings ........................................................................................................... 6
Table 4: Thermal data ................................................................................................................................. 6
Table 5: Electrical characteristics ............................................................................................................... 7
Table 6: SO-14L package mechanical data ............................................................................................. 16
Table 7: Document revision history .......................................................................................................... 18
DocID1637 Rev 5
3/19
List of figures
L6377
List of figures
Figure 1: Pin connections (top view) ........................................................................................................... 5
Figure 2: Block diagram .............................................................................................................................. 9
Figure 3: Undervoltage comparator hysteresis ........................................................................................... 9
Figure 4: Switching waveforms ................................................................................................................. 10
Figure 5: Short-circuit operation waveforms ............................................................................................. 11
Figure 6: Input comparator hysteresis ...................................................................................................... 13
Figure 7: External demagnetisation circuit (versus ground) ..................................................................... 13
Figure 8: External demagnetisation circuit................................................................................................ 14
Figure 9: SO-14L package outline ............................................................................................................ 15
Figure 10: SO-14L recommended footprint outline .................................................................................. 17
4/19
DocID1637 Rev 5
L6377
Pin connections
1
Pin connections
Figure 1: Pin connections (top view)
N.C.
1
2
3
4
14
13
12
11
10
N.C.
GND
OUT
V
S
R
SC
N.C.
N.C.
RESET
IN+
DIAG
ON DELAY
N.C.
N.C.
GIPG1707151238LM
5
6
7
D96IN368
9
8
Table 2: Pin description
Pin
1, 6, 7, 8, 9,
14
2
3
4
5
10
11
12
13
Pin name
N.C.
GND
OUT
V
S
R
SC
ON
DELAY
DIAG
IN+
RESET
Not connected
Ground pin
High-side output. Controlled output with current limitation
Supply voltage. Range with undervoltage monitoring
Current limiting setting
Delay setting for overcurrent diagnostic
Diagnostic open drain output for overtemperature, undervoltage and
overcurrent
Comparator non-inverting input
Asynchronous reset input
Function
DocID1637 Rev 5
5/19
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