High-side Power Switch with Diagnostic Function and Built-in Zener Diode SI-5153S
Features
● Built-in diagnostic function to detect short and open circuiting of loads and
output status signals
● Low saturation PNP transistor use
● Allows direct driving using LS-TTL and C-MOS logic levels
● Built-in overcurrent and thermal protection circuits
● Built-in protection against reverse connection of power supply
● Tj = 150ºC guaranteed
● Built-in Zener diode
● TO-220 equivalent full-mold package not require insulation mica
Absolute Maximum Ratings
Parameter Symbol Unit ConditionsRatings
Power supply voltage
Input terminal voltage
DIAG terminal voltage
Collector-emitter voltage
Output current I
Power Dissipation
Junction temperature
Operating temperature
Storage temperature
V
V
P
P
T
Tstg
V
V
DIAG
Tj
B
IN
CE
O
D1
D2
OP
Electrical Characteristics
Parameter Symbol
V
Operating power supply voltage
Quiescent circuit current
Saturation voltage of output
transistor
Output leak current
Input voltage
Input current
Overcurrent protection starting
current
Thermal protection starting
temperature
Output ON
Output OFF
Output ON
Output OFF
Open load detection resistor
Output transfer time
DIAG output voltage
DIAG output transfer time
Minimum load inductance mHL
Surge clamp voltage VV
Note:
*1. The Zener diode for surge clamping has an energy capability of 140 mJ (single pulse).
* The rule of protection against reverse connection of power supply is V
* This driver is exclusively used for ON/OFF control.
Bopr
Iq
V
CE (sat)
, leak
O
V
IH
V
IL
I
IH
I
IL
S
T
TSD
Ropen
T
ON
T
OFF
V
DH
V
DL
T
PLH
T
PHL
1
*
Z
–13 to +40
–0.3 to V
B
6
V
B —VZ
22
1.8
–40 to +150
–40 to +100
–40 to +150
Ratings
min typ max
6.0 30
5 12
0.47 V
2.0
–0.3
0.8 V
–0.1
2.05 AI
150
8 30
15 30
4.5
0.3
1
V
V
V
Refer to "Surge clamp voltage"
V
in Electrical Characteristics
A2.04
With infinite heatsink (Tc=25ºC)
W
Stand-alone without heatsink
W
ºC
ºC
ºC
(Ta=25ºC unless otherwise specified)
Unit Conditions
V
V
mA
2mAI
V
V
B
1mA
mA
ºC
kΩ
30
µS
µS
V
6
V
µS
30
µS
30
403428
= 14V, V
Bopr
I
2.05A, V
O
V
= 16V, V
CEO
V
= 6 to 16V
Bopr
V
= 6 to 16V
Bopr
V
= 5 V
IN
V
= 0 V
IN
V
=
14V, VO =
Bopr
6V
V
Bopr
V
= 6 to 16V
Bopr
V
= 14V, IO = 1 A
Bopr
V
= 14V, IO = 1 A
Bopr
V
= 6V, V
CC
V
= 6V, V
CC
V
= 14V, IO = 1 A
Bopr
V
= 14V, IO = 1 A
Bopr
I
= 5mA
C
= –13V, one minute.
B
IN
Bopr
IN
= 6 to 16V
Bopr
= 6 to 16V, I
Bopr
(Ta=25ºC)
= 0 V
= 6 to 16V
= 0 V
V
Bopr
–
1.5V
DO
= 2mA
External Dimensions
±0.2
10
±0.2
4.0
a
b
±0.15
0.94
+0.2
–0.1
0.85
±0.15
P1.7 • 4
12345
(unit: mm)
±0.2
3.2
±0.2
7.9
±0.3
16.9
1. GND
2. V
IN
3. V
o
4. DIAG
5. V
B
4.2
2.8
2.6
4
(Forming No. 1111)
Standard Circuit Diagram
5
V
O
3
DIAG
4
1
LS-TTL
or
CMOS
V
IN
SI-5153S
2
Truth table
VINV
O
HH
LL
Diagnostic Function
Normal NormalOpen load OverheatShorted load
V
IN
V
O
DIAG
V
Mode
Normal
Open load
Shorted load
Overheat
● DIAG output will be undetermined when a voltage
exceeding 25V is applied to V
V
IN
O
L
LHL
H
LHHHH
LHLLL
LHLLL
terminal.
B
±0.2
±0.2
±0.1
±0.6
5.1kΩ
DIAG
–0.3
+0.2
2.9
+0.2
–0.1
0.45
a: Type No.
b: Lot No.
V
CC
H
H
L
L
20max
±0.5
3.6
V
B
Load
GND
24
Quiescent Circuit Current
■
10
Circuit Current
■
50
Saturation Voltage of Output Transistor
■
2
(mA)
5
Iq
0
0102030
Ta= –40ºC
25ºC
150ºC
40
VB (V)
Overcurrent Protection Characteristics (Ta=–40ºC)
■
20
=
V
B
15
(V)
10
O
V
5
0
01 2
18V
14V
8V
453
IO (A)
40
30
(mA)
B
I
20
10
0
0102030
Ta
=
–40ºC
25ºC
150ºC
40
VB (V)
Overcurrent Protection Characteristics (Ta=25ºC)
■
20
V
=
B
15
(V)
10
O
V
5
0
012
18V
14V
8V
543
IO (A)
(V)
1
(sat)
CE
V
0
012
VB = 6 to 16V
Ta =
125ºC
25ºC
–40ºC
3
IO (A)
Overcurrent Protection Characteristics (Ta=125ºC)
■
20
15
(V)
10
O
V
5
0
012
=
V
B
18V
14V
8V
453
IO (A)
Threshold Characteristics of Input Voltage
■
20
–40ºC
(th)
25ºC
(V)
VB = 14V
= 1 A
Ta = 150ºC
V
IN
15
VB = 16V
I
O
(V)
10
O
V
5
0
012
Output Terminal Leak Current
■
2
(mA)
1
O leak
I
Input Current (Output ON)
■
1.0
0.8
0.6
(mA)
IH
I
0.4
0.2
0
–50 0 50 100
Ta (ºC)
Saturation Voltage of DIAG Output
■
0.5
0.4
0.3
(V)
DL
V
0.2
0.1
VB = 14V
= 5 V
V
IN
VB = 14V
= 2mA
I
DIAG
150
Input Current (Output OFF)
■
5
4
3
(µA)
IL
I
2
1
0
–50 0 50 100
Ta (ºC)
Thermal Protection Characteristics
■
20
(V)
V
15
10
O
5
V
O
V
DIAG
VB = 14V
= 0 V
V
IN
VB = 14V
V
DIAG
I
= 10mA
O
150
= 5 V
0
–50 0 50 100
Ta (ºC)
150
0
–50 0 50 100
Ta (ºC)
150
0
0 50 100
200150
Ta (ºC)
25