SANKEN SI

High-side Power Switch with Diagnostic Function and Built-in Zener Diode SI-5153S
External Dimensions (unit: mm)
● 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
4.2 ±0.2
3.2 ±0.2
10 ±0.2
20 max
16.9 ±0.3
4.0 ±0.2
2.8 ±0.2
7.9 ±0.2
a
2.6 ±0.1
b
+0.2
2.9 –0.3
Features
Symbol
Ratings
Unit
VB
–13 to +40
V
Input terminal voltage
VIN
–0.3 to VB
V
DIAG terminal voltage
VDIAG
6
V
VCE
VB —VZ
V
Output current
0.45 –0.1
0.85 –0.1
(Ta=25ºC)
Power supply voltage
Collector-emitter voltage
+0.2
+0.2
Absolute Maximum Ratings
Parameter
3.6 ±0.5
0.94 ±0.15
4 ±0.6
P1.7 ±0.15 • 4
Conditions
1
2
3
4
1. GND
2. VIN
3. Vo
4. DIAG
5. VB
5
Refer to "Surge clamp voltage"
in Electrical Characteristics
IO
2.04
A
PD1
22
W
With infinite heatsink (Tc=25ºC)
PD2
1.8
W
Stand-alone without heatsink
Tj
–40 to +150
ºC
Operating temperature
TOP
–40 to +100
ºC
Storage temperature
Tstg
–40 to +150
ºC
a: Type No.
b: Lot No.
(Forming No. 1111)
Power Dissipation
Junction temperature
Standard Circuit Diagram
VB
5
VO
SI-5153S
(Ta=25ºC unless otherwise specified)
VIN 2
Ratings
Parameter
Symbol
Operating power supply voltage
VBopr
min
6.0
Iq
Quiescent circuit current
typ
5
max
Unit
30
V
12
mA
V
Saturation voltage of output
transistor
VCE (sat)
0.47
Output leak current
IO, leak
2
mA
VCC
DIAG
4
Conditions
LS-TTL
or
CMOS
5.1kΩ
1
Load
Electrical Characteristics
3
VBopr = 14V, VIN = 0V
IO 2.05A, VBopr = 6 to 16V
Output ON
VIH
2.0
VB
V
VBopr = 6 to 16V
Output OFF
VIL
–0.3
0.8
V
VBopr = 6 to 16V
Output ON
I IH
1
mA
VIN = 5V
Output OFF
I IL
–0.1
mA
VIN = 0V
Overcurrent protection starting
current
IS
2.05
A
VBopr = 14V, VO = VBopr –1.5V
Thermal protection starting
temperature
TTSD
150
ºC
VBopr 6V
30
kΩ
VBopr = 6 to 16V
GND
Truth table
VIN
VO
VCEO = 16V, VIN = 0V
Input voltage
H
H
L
L
Input current
Open load detection resistor
Diagnostic Function
Normal
Open load
Shorted load
Overheat
Normal
VIN
Ropen
TON
8
30
µS
VBopr = 14V, IO = 1A
TOFF
15
30
µS
VBopr = 14V, IO = 1A
6
V
VCC = 6V, VBopr = 6 to 16V
VCC = 6V, VBopr = 6 to 16V, IDO = 2mA
Output transfer time
VDH
4.5
VO
DIAG
DIAG output voltage
VDL
0.3
V
TPLH
30
µS
VBopr = 14V, IO = 1A
TPHL
30
µS
VBopr = 14V, IO = 1A
DIAG output transfer time
Minimum load inductance
Surge clamp voltage
*1
L
1
VZ
28
mH
34
40
V
IC = 5mA
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 VB = –13V, one minute.
* This driver is exclusively used for ON/OFF control.
24
VIN
DIAG
VO
L
L
L
H
H
H
L
H
H
Open load
H
H
H
L
L
L
Shorted load
H
L
L
L
L
L
Overheat
H
L
L
● DIAG output will be undetermined when a voltage
exceeding 25V is applied to VB terminal.
Mode
Normal
■ Quiescent Circuit Current
■ Circuit Current
10
■ Saturation Voltage of Output Transistor
2
50
40
Ta= –40ºC
5
25ºC
VCE (sat) (V)
IB (mA)
Iq (mA)
Ta =
–40ºC
30
25ºC
20
150ºC
Ta =
125ºC
1
VB = 6 to 16V
150ºC
25ºC
10
0
0
10
20
30
–40ºC
0
0
40
10
20
30
0
40
0
1
2
3
VB (V)
VB (V)
IO (A)
■ Overcurrent Protection Characteristics (Ta=–40ºC)
■ Overcurrent Protection Characteristics (Ta =25ºC)
■ Overcurrent Protection Characteristics (Ta=125ºC)
20
20
20
VB =
18V
VB =
18V
VB =
18V
15
15
15
10
14V
10
8V
5
0
0
1
3
2
4
0
5
5
0
1
2
3
4
0
5
0
1
2
IO (A)
IO (A)
■ Threshold Characteristics of Input Voltage
VB = 14V
VIN = 0V
0.8
4
0.6
3
I IL (µA)
I IH (mA)
VB = 16V
IO = 1A
5
5
VB = 14V
VIN = 5V
Ta = 150ºC 25ºC –40ºC
4
■ Input Current (Output OFF)
1.0
10
3
IO (A)
■ Input Current (Output ON)
20
15
10
8V
8V
5
VO (V)
VO (V)
VO (V)
VO (V)
14V
14V
0.4
2
5
0.2
0
0
1
0
–50
2
1
0
VIN (th) (V)
50
100
0
–50
150
50
2
20
VB = 14V
VDIAG = 5V
IO = 10mA
VB = 14V
IDIAG = 2mA
0.4
15
0.3
VO (V)
VDL (V)
150
■ Thermal Protection Characteristics
0.5
VB = 14V
1
100
Ta (ºC)
■ Saturation Voltage of DIAG Output
■ Output Terminal Leak Current
IO leak (mA)
0
Ta (ºC)
VO
10
0.2
0
–50
0
50
Ta (ºC)
100
150
0
–50
VDIAG
5
0.1
0
0
50
Ta (ºC)
100
150
0
50
100
150
200
Ta (ºC)
25