High-side Power Switch ICs
[With Diagnostic Function, 4-circuits]
SLA2502M
Features
Built-in diagnostic function to detect short and open circuiting of loads and
output status signals
Low saturation PNP transistor use (V
CE (sat)
0.5V)
Allows direct driving using LS-TTL and C-MOS logic levels
Built-in overcurrent protection circuits
Built-in protection against reverse connection of power supply
Tj = 150ºC guaranteed
External Dimensions
(unit: mm)
31
±0.2
24.4
±0.2
3.2
±0.15
Ellipse 3.2
±0.15
• 3.8
4.8
±0.2
1.7
±0.1
16
±0.2
9.9
±0.2
12.9
±0.2
a
b
2.45
±0.2
Absolute Maximum Ratings
Parameter
Power supply voltage
Input terminal voltage
DIAG output applied voltage
DIAG output source current
Output current
Power Dissipation
Junction temperature
Operating temperature
Storage temperature
Symbol
V
B
V
IN
V
DIAG
I
DIAG
I
O
P
D
Tj
T
OP
Tstg
Ratings
–13 to +40
–0.3 to +7.0
–0.3 to +7.0
3
1.2
4.8
–40 to +150
–40 to +100
–50 to +150
Unit
V
V
V
mA
A
W
ºC
ºC
ºC
Conditions
6.4
±0.5
(Ta=25ºC)
1.15
–0.1
14 • P2.03
±0.1
= (28.42)
+0.2
0.65
–0.1
+0.2
0.55
–0.1
+0.2
31.3
±0.2
a: Part No.
b: Lot No.
1 23
15
Stand-alone operation without
heatsink; all circuits operating
Equivalent Circuit Diagram
SLA2502M
The MIC is bound by the dotted lines.
Pre. Reg.
8
V
B
Electrical Characteristics
Parameter
Operating power supply voltage
Quiescent circuit current (per circuit)
Threshold input voltage
Hi output
Input current
Lo output
Saturation voltage of output
transistor
Output terminal sink current
Saturation voltage of DIAG output
Leak current of DIAG output
Open load detection resistor
Overcurrent protection starting
current
Output transfer time
T
OFF
T
PLH
DIAG output transfer time
T
PHL
15
30
15
10
30
30
I
IN
V
CE (sat)
I
O (off)
V
DL
I
DGH
Ropen
I
S
T
ON
1.6
8
30
0
100
0.5
2.0
0.3
100
30
Symbol
V
Bopr
Iq
V
IN
th
I
IN
0.8
Ratings
min
6.0
5
typ
NI1
2
3
(V
Bopr
=14V, Ta=25ºC unless otherwise specified)
CONT.
11kΩ typ.
Drive
O.C.P
DIAG1
DIAG DET
1
T.S.D
Out1
max
16
12
3.0
1.0
Unit
V
mA
V
mA
µA
V
mA
V
µA
kΩ
A
µs
µs
µs
µs
V
IN
= 5V
V
IN
= 0V
V
IN
= 0V
Conditions
NI2
DIAG2
GND1
6
5
DIAG DET
CONT.
11kΩ typ.
Drive
O.C.P
7
4
Out2
Pre. Reg.
NI3
DIAG3
10
11
DIAG DET
CONT.
11kΩ typ.
Drive
O.C.P
9
T.S.D
I
O
1.0A, V
Bopr
= 6 to 16V
V
O
= 0V, V
IN
= 0V
I
DIAG
= 3mA
GND4
NI4
DIAG4
14
13
DIAG DET
CONT.
11kΩ typ.
Out3
Drive
O.C.P
15
12
Out4
V
DIAG
= 5V
[Abbreviations]
Drive: Drive circuit
CONT: ON/OFF circuit
Pre.Reg: Pre-regulator
V
O
= V
Bopr
–1.9V
I
O
= 1A
I
O
= 1A
I
O
= 1A
I
O
= 1A
DIAG.DET.: Diagnostic circuit
O.C.P.: Overcurrent protection
T.S.D.: Thermal protection
Standard Circuit Diagram
V
B
PZ
D
1
Out
Note: * The rule of protection against reverse connection of power supply is V
B
= –13V, one minute
(all terminals except V
B
and GND should be open).
Diagnostic Function
IN
SLA2502M
DIAG
V
CC
5.1kΩ
GND
3.0V
GND
V
IN
0.8V
Truth table
V
IN
V
O
V
OUT
SHORT
Is
OPEN OPEN
OVER
VOLTAGE
TSD
Load
GND
H
L
H
L
V
B
GND
I
O
GND V
DIAG
Normal
Shorted load
Open load
Overvoltage
Overheat
Note 1: A pull-down resistor (11kΩ typ.) is connected to the IN
terminal.
V
OUT
turns "L" when a high impedance is
connected to the IN terminal in series.
Note 2: Grounds GND1 and GND2 are not wired internally. They
must be shorted at a pattern near the product.
ERROR SIGNAL for CPU
38
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