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IPS521
Intelligent Power Switch 1 Channel High Side Driver in a TO-220FL Package
Data Sheet N0.PD 60158-H
Internot onol
TOR Rectifier IPS521llPS521S
FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH
Features Product Summary
q Over temperature protection (with auto-restart)
o Short-circuit protection (current limit) Rds(on) 80mn (max)
. Active clamp
o E.S.D protection
. Status feedback V clamp 50V
. Open load detection I Limit 10A
. Logic ground isolated from power ground
V open load 3V
Description
The FS521/lPS521S are fully protected flve terminal Truth Table
high side switches with built in short-circuit , over-
temperature, ESD protection, inductive load capability Op. Conditions In Out Dg
and diagnostic feedback. The output current IS con- H
trolled when it reaches llim value. The current Normal H H
limitation is activated until the thermal protection Normal L L L
a_cts. The ov.tr.-ttTyer.aturt protection turns off the Open load H H H
high side switch if the junction temperature exceeds L
Tshutdown. It will automatically restart afterthejunc- Open load H H
tion has cooled 7°C below Tshutdown. A diagnostic Over current H L (limiting) L
pin is provided for status feedback 9f short-circuit, Over current L L L
over-temperature and open load detection. The double H L li
level shifter circuitry allows large offsets between the (her-temperature (cyc ing) L
logic ground and the load ground. Over-temperature L L L
Typical Connection Packages
+ 5v Output puIl-up resistor I
Ples l l Vcc
mdbaL BF Dg Logic control l
Rdg - Out
D2Pak (SMD220)
V |PS521S
Rin In Gnd
--f=-''"
T . Load
W— LogicGnd LoadGndl
T0220 - IPS521
1
IPS521/lPS521S
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters
are referenced to GROUND lead. (Tj = 25°C unless otherwise specified).
International
TOR Rectifier
Symbol Parameter Min. Max. Units Test Conditions
Vout Maximum output voltage Vcc-50 Vcc+0.3
Vottset Maximum logic ground to load ground offset Vcc-50 Vcc+0.3 v
Vin Maximum Input voltage -0.3 7
lin, max Maximum positive IN current -5 10 mA
Vdg Maximum diagnostic output voltage -O.3 7 V
Idg, max Maximum diagnostic output current -1 10 mA
lsd cont. Diode max. permanent current (1)
(rth=620C/W) - 2.2 A
lsd pulsed Diode max. pulsed current (1) - 10
ESD1 Electrostatic discharge voltage (Human Body) - 4 C=100pF, R=1500f2,
ESD2 Electrostatic discharge voltage (Machine Model) - 0.5 kV C=200pF, R=OQ, L=10pH
Pd Maximum power dissipationO)
(TC=25°C) IPS521 - 40 w
(TC=25°C) IPS521S - 1.56
T] max. Max. storage & operating junction temp. -40 +150 oc
Tlead Lead temperature (soldering 10 seconds) - 300
Vcc max. Maximum Vcc voltage - 50 V
Thermal Characteristics
Symbol Parameter Min Typ. Max. Units Test Conditions
Rm 1 Thermal resistance junction to case - 3 -
Rth 2 Thermal resistance junction ambient - 60 - TO-220
Rth 1 Thermal resistance with standard footprint -- 60 - oC/W
Rth 2 Thermal resistance with I" square footprint - 35 - D2PAK (SMD220)
Rm 3 Thermal resistance junction to case - 3 -
(1) Limited by junction temperature (pulsed current limited also by internal wiring)
