Data Sheet No.PD 60158-H
IPS521/IPS521S
FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH
Features Product Summary
Over temperature protection (with auto-restart)
Short-circuit protection (current limit)
R 80m (max)
ds(on)
Active clamp
E.S.D protection
V 50V
clamp
Status feedback
Open load detection
I Limit 10A
Logic ground isolated from power ground
V 3V
open load
Description
The IPS521/IPS521S are fully protected five terminal
Truth Table
high side switches with built in short-circuit , over-
temperature, ESD protection, inductive load capability
In
Op. Conditions Out
Dg
and diagnostic feedback. The output current is con-
Normal H H
H
trolled when it reaches I value. The current
lim
L
limitation is activated until the thermal protection Normal L L
acts. The over-temperature protection turns off the
H
Open load H H
high side switch if the junction temperature exceeds
Open load L H
H
Tshutdown. It will automatically restart after the junc-
o
H
tion has cooled 7 C below Tshutdown. A diagnostic Over current L (limiting) L
pin is provided for status feedback of short-circuit,
L
Over current L L
over-temperature and open load detection. The double
Over-temperature H L (cycling)
L
level shifter circuitry allows large offsets between the
Over-temperature L L
logic ground and the load ground. L
Typical Connection Packages
+ VCC
+ 5v
Output pull-up resistor
15K
Status
Vcc
feedback
Dg
control
Logic
5 Lead
Rdg
Out
D2Pak (SMD220)
IPS521S
Rin
In Gnd
Load
Logic
signal
Logic Gnd
Load Gnd 5 Lead
TO220 - IPS521
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Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters
o
are referenced to GROUND lead. (T = 25 C unless otherwise specified).
j
Symbol Parameter Min. Max. Units Test Conditions
V Maximum output voltage V -50 V +0.3
cc cc
out
V Maximum logic ground to load ground offset V -50 V +0.3
cc cc V
offset
V Maximum Input voltage -0.3 7
in
I Maximum positive IN current -5 10 mA
in, max
V Maximum diagnostic output voltage -0.3 7 V
dg
I Maximum diagnostic output current -1 10 mA
dg, max
(1)
I Diode max. permanent current
sd cont.
o
(rth=62 C/W) 2.2
A
(1)
I Diode max. pulsed current 10
sd pulsed
ESD1 Electrostatic discharge voltage (Human Body) 4 C=100pF, R=1500,
kV
ESD2 Electrostatic discharge voltage (Machine Model) 0.5 C=200pF, R=0, L=10 H
(1)
P
d Maximum power dissipation
o
(TC=25 C) IPS521 40
W
o
(TC=25 C) IPS521S 1.56
T max. Max. storage & operating junction temp. -40 +150
j
o
C
T Lead temperature (soldering 10 seconds) 300
lead
Vcc max. Maximum Vcc voltage 50 V
Thermal Characteristics
Symbol Parameter Min. Typ. Max. Units Test Conditions
R 1 Thermal resistance junction to case
th
TO-220
R 2 Thermal resistance junction ambient
th
o
R 1 Thermal resistance with standard footprint 60
th C/W
2
D PAK (SMD220)
R 2 Thermal resistance with 1" square footprint 35
th
R 3 Thermal resistance junction to case
th
(1) Limited by junction temperature (pulsed current limited also by internal wiring)
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