Low-side Switch ICs
[Surface-mount 4-circuits]
SPF5009
(under development)
Features
●
DMOS 4ch output
●
Allows ON/OFF using C-MOS logic level
●
Built-in over current and thermal protection circuit and diagnostic function to
detect open load
●
Built-in output status signals (over current, over heat and open load)
External Dimensions
(unit: mm)
17.28
±0.2
15.58
±0.2
24
13
1.0
–0.05
Fin
thickness
+0.1
Absolute Maximum Ratings
Parameter
Power supply voltage
Output terminal voltage (DC)
Output terminal voltage (pulse)
Output current (DC)
Output current (pulse)
Input terminal voltage
Diag output source current
Diag output voltage
Power Dissipation
Storage temperature
Channel temperature
Output avalanche capability
Symbol
V
B
V
OUT
V
OUT
I
OUT
I
OUT
V
( IN, SEL, B/U)
V
DIAG
I
DIAG
P
D
Tstg
Tch
E
AV
Ratings
40
50
Output clamping (max 70V)
±2.9
Over current protection starting current
–0.5 to +6.5
6.5
5
2.8
–40 to +150
150
80
Unit
V
V
V
A
A
V
V
mA
W
ºC
ºC
mJ
Single pulse
Conditions
(Ta=25ºC)
1
1.27
±0.25
+0.15
0.4
–0.05
12
2.5
±0.2
0.25
–0.05
+0.15
a : Part No.
b: Lot No.
Equivalent Circuit Diagram
V
B
(7)
Ref
Reg
Gate driver
V
IN
B/U
(17)
TSD
V
IN
SEL
(5)
Set
OUT OCP
Latch Reset
V
IN
1
(6)
OSC
Monitor
V
OUT
SENSE
Gate Protection
V
OUT
1
(4)
Electrical Characteristics
Parameter
Power supply voltage
Quiescent circuit current
Operating circuit current
Input voltage
(1 to 4, SEL, B/U)
Input current (single circuit)
(1 to 4, SEL, B/U)
Output ON resistance
Output clamp voltage
Output leak current
Forward voltage of output stage diode
Output moniter threshold voltage
DIAG output voltage
V
DIAG (L)
DIAG output leak current
Thermal shutdown operating temperature
Overcurrent protection starting current
Output transfer time
T
OFF
Output rise time
Output fall time
DIAG output transfer time
t
DOFF
8
T
r
T
f
t
DON
8
5
10
12
I
DH
T
TSD
I
S
T
ON
151
3.0
12
165
0.5
10
Symbol
V
B (opr)
I
q
I
d
V
IN (H)
V
IN (L)
I
IN (H)
I
IN (L)
R
DS (ON)
V
OUT (clamp)
I
OH
V
F
V
t h
M
V
DIAG (H)
6.4
60
65
3.5
–0.5
Ratings
min
5.5
9
12
typ
max
40
12
15
6.5
1.5
200
30
0.18
70
50
1.5
2
6.5
V
OUT
2
(9)
(V
B
=14V, Ta = 25ºC unless otherwise specified)
V
IN
2
(8)
Unit
V
mA
mA
V
V
µA
µA
Ω
V
µA
V
V
V
V
µA
ºC
A
µs
µs
µs
µs
µs
µs
Conditions
V
OUT
3
(16)
V
IN
3
(18)
P-GND3
(13, 14)
V
DIAG
3
(15)
V
OUT
4
(21)
V
IN
4
(20)
P-GND4
(23, 24)
V
DIAG
4
(22)
L-GND
(19)
V
B
=14V, V
IN
=0V
V
B
=14V, V
IN
=5V (all inputs)
V
B
=14V, V
O
=1A
V
B
=14V
V
B
=14V, V
IN
=5V
V
B
=14V, V
IN
=0V
V
B
=14V, I
O
=1A
V
B
=14V, I
O
=1A
V
B
=14V, V
O
=50V
I
F
=1A
V
B
=14V
V
B
=14V, V
DIAG
=6.5V
V
B
=14V, I
DIAG
=5mA
V
B
=14V, V
DIAG
=6.5V
V
B
=14V
V
B
=14V
V
B
=14V, R
L
=14Ω, I
O
=1A
V
B
=14V, R
L
=14Ω, I
O
=1A
V
B
=14V, R
L
=14Ω, I
O
=1A
V
B
=14V, R
L
=14Ω, I
O
=1A
V
B
=14V, R
L
=14Ω, I
O
=1A
V
B
=14V, R
L
=14Ω, I
O
=1A
Circuit Example
7
6
8
18
20
17
5
4
9
16
21
V
B
V
IN
1
V
IN
2
V
IN
3
V
IN
4
V
IN
B/U
V
IN
SEL
LG
19
OUT1
OUT2
OUT3
OUT4
DIAG1
DIAG2
DIAG3
DIAG4
PG4
23, 24
3
10
15
22
SPF5009
PG1
1, 2
PG2
11, 12
PG3
13, 14
Timing Chart
Main input signal 1
V
IN
1
Main input signal 2
V
IN
2
Backup input signal
V
IN
B/U
Input select signal
V
IN
SEL
Power supply voltage
V
B
Output voltage 1
V
OUT
1
Output current 1
I
OUT
1
DIAG output 1
V
DIAG
1
DIAG output 2
V
DIAG
2
Nomal
OCP
OCP
Output 1
Output 1
Output 1
Overheat Over current Open load
Main mode
Nomal
Output 1
Output 1
Output 1
Overheat Over current Open load
Backup mode
52
2.0
–0.8
+0.2
b
P-GND1
(1, 2)
V
DIAG
1
(3)
P-GND2
(11, 12)
V
DIAG
2
(10)
10.5
±0.3
7.5
±0.2
a