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AUIPS1021R Schematic ( PDF Datasheet ) - International Rectifier

Teilenummer AUIPS1021R
Beschreibung INTELLIGENT POWER LOW SIDE SWITCH
Hersteller International Rectifier
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Gesamt 17 Seiten
AUIPS1021R Datasheet, Funktion
February, 28th 2011
Automotive grade
AUIPS1021(S)(R)
INTELLIGENT POWER LOW SIDE SWITCH
Features
Over temperature shutdown
Over current shutdown
Active clamp
Low current & logic level input
ESD protection
Optimized Turn On/Off for EMI
Diagnostic on the input current
Description
The AUIPS1021(S)(R) is a three terminal Intelligent Power
Switch (IPS) that features a low side MOSFET with over-
current, over-temperature, ESD protection and drain to
source active clamp. This device offers protections and
the high reliability required in harsh environments. The
switch provides efficient protection by turning OFF the
power MOSFET when the temperature exceeds 165°C or
when the drain current reaches 45A. The device restarts
once the input is cycled. A serial resistance connected to
the input provides the diagnostic. The avalanche capability
is significantly enhanced by the active clamp and covers
most inductive load demagnetizations.
Product Summary
Rds(on) 25m(max.)
Vclamp
39V
Ishutdown 45A (typ.)
Packages
TO-220
D²Pak
D-Pak
AUIPS1021 AUIPS1021S AUIPS1021R
Typical Connection
+Bat
Load
D2
Input R
Input Signal
V Diag
Control
IN
S3
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1






AUIPS1021R Datasheet, Funktion
AUIPS1021(S)(R)
All curves are typical values. Operating in the shaded area is not recommended.
Vin
Ids
Ishutdown
Isd
t<T reset t>T reset
Tj
Tsd
165°C
Vdiag
Tshutdown
normal
fault
Figure 1 – Timing diagram
80%
Vin
20%
80%
Ids
20%
Td on
Tr-in
Tr
Vds
Td off
Tf
Figure 2 – IN rise time & switching definitions
T clamp
Vin
Ids
Vds clamp
Vds Vcc
See Application Notes to evaluate power dissipation
Figure 3 – Active clamp waveforms
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Rem : During active clamp,
Vload is negative
L
R
IN
5V
Vin
0V
D
S
V load
+
14V
-
Vds
Ids
Figure 4 – Active clamp test circuit
6

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AUIPS1021R pdf, datenblatt
Tape & Reel - D²Pak (SMD220)
AUIPS1021(S)(R)
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