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March, 23rd 2009
Automotive grade
AUIPS2051L/AUIPS2052G
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
Product Summary Rds(on) 300m (max.) Vclamp 70V Ishutdown 1.8A (typ.) Packages
Description
The AUIPS2051L/AUIPS2052G 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. The AUIPS2052 is a dual channel device while the AUIPS2051 is a single channel.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 165C or when the drain current reaches 1.8A. 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.
SOT223 AUIPS2051L
SO-8 AUIPS2052G
Typical Connection
+Bat
Load D IN Control Input R Input Signal V Diag 1 S 3 2
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AUIPS2051L/AUIPS2052G
Qualification Information
Qualification Level Automotive (per AEC-Q100) Comments: This IC has passed an Automotive qualification. IR's Industrial and Consumer qualification level is granted by extension of the higher Automotive level. SOT-223 Moisture Sensitivity Level 8L-SOICN Machine Model ESD Human Body Model Charged Device Model IC Latch-Up Test RoHS Compliant MSL2, 260C (per IPC/JEDEC J-STD-020) Class M3 (per AEC-Q-100-003) Class H2 (per AEC-Q-100-002) Class C5 (per AEC-Q-100-011) ClassII, Level A (per AEC-Q100-004) Yes MSL2, 260C (per IPC/JEDEC J-STD-020)
Qualification standards can be found at International Rectifier's web site http://www.irf.com/ Exceptions to AEC-Q100 requirements are noted in the qualification report. Higher MSL ratings may be available for the specific package types listed here. Please contact your International Rectifier sales representative for further information.
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AUIPS2051L/AUIPS2052G
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. (Tambient=25C unless otherwise specified).
Symbol
Vds Vds cont. Vin Isd cont. Pd
Parameter
Maximum drain to source voltage Maximum continuous drain to source voltage Maximum input voltage Max diode continuous current (limited by thermal dissipation) Rth=125C/W Maximum power dissipation (internally limited by thermal protection) Rth=60C/W AUIPS2051L 1" sqr. footprint Rth=100C/W AUIPS2052G std. footprint Electrostatic discharge voltage (Human body) C=100pF, R=1500 Between drain and source Other combinations Electrostatic discharge voltage (Machine Model) C=200pF,R=0 Between drain and source Other combinations Max. storage & operating temperature junction temperature
Min.
-0.3 -0.3

Max.
60 35 6 1 2 1.25 4 3 0.5 0.3 150
Units
V V V A W
ESD
kV
Tj max.
-40
C
Thermal Characteristics
Symbol
Rth1 Rth2 Rth1 Rth1
Parameter
Thermal resistance junction to ambient SOT-223 std. footprint Thermal resistance junction to ambient SOT-223 1" sqr. footprint Thermal resistance junction to ambient SO-8 std. Footprint 1 die active Thermal resistance junction to ambient SO-8 std. footprint 2 die active
Typ.
100 60 100 130
Max.

Units
C/W
note : Tj=Power dissipated in one channel x Rth
Recommended Operating Conditions
These values are given for a quick design. For operation outside these conditions, please consult the application notes.
Symbol
VIH VIL Ids Rin Max. t rise
Parameter
High level input voltage Low level input voltage Continuous drain current, Tambient=85C, Tj=125C, Vin=5V,Rth=100C/W Recommended resistor in series with IN pin to generate a diagnostic Max. input rising time
Min.
4 0
Max.
5.5 0.5 0.9 5 1
Units
A k s
0.5
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AUIPS2051L/AUIPS2052G
Static Electrical Characteristics
Tj=-40..150C, Vcc=28V (unless otherwise specified)
Symbol
Rds(on) Idss1 Idss2 V clamp1 V clamp2 Vin clamp Vth Iin, on Iin, off
Parameter
ON state resistance Tj=25C ON state resistance Tj=150C(2) Drain to source leakage current Drain to source leakage current Drain to source clamp voltage 1 Drain to source clamp voltage 2 IN to source pin clamp voltage Input threshold voltage ON state IN positive current OFF state IN positive current ( after protection latched )
Min.

Typ.
250 440 0.2 0.5 69 70 6.2 2 40 250
Max.
300 520 1 2
Units
m A
Test Conditions
Vin=5V, Ids=1A Vcc=28V, Tj=25C Vcc=50V, Tj=25C Id=20mA See fig. 3 & 4 Id=150mA Iin=1mA Id=50mA Vin=5V
63
5.5 1.1 15 150
75 7.5 2.7 80 350
V
A
Switching Electrical Characteristics
Vcc=28V, Resistive load=50, Rinput=50, Vin=5V, Tj=25C
Symbol
Tdon Tr Tdoff Tf Eon + Eoff
Parameter
Turn-on delay time to 20% Rise time 20% to 80% Turn-off delay time to 80% Fall time 80% to 20% Turn on and off energy
Min.
0.1 0.1 1 0.1
Typ.
1 0.3 1.8 0.5 5
Max.
3 2.5 3.5 2.5
Units
s J
Test Conditions
See figure 2
Protection Characteristics
Tj=-40..150C, Vcc=28V (unless otherwise specified)
Symbol
Parameter
Min.
150(2) 1.2 1.1 15(2)
Typ.
165 1.8 1.6 50
Max.
Units
C A V s
Test Conditions
See figure 1 See figure 1 Vin=0V, Tj=25C
Tsd Over temperature threshold Isd Over current threshold Vreset IN protection reset threshold Treset Time to reset protection (2) Guaranteed by design
3 2 500
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AUIPS2051L/AUIPS2052G
Lead Assignments
(2) D
8765
1- In 2- D 3- S
123 1234
1- S1 2- In1 3- S2 4- In2 5-6 D2 7-8 D1
SOT223
SO8
Functional Block Diagram
All values are typical
DRAIN
66V
IN
75
1k
20k
75V
150k
S R
Q Q
6V
Tj > 165C I > Isd
1k
SOURCE
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AUIPS2051L/AUIPS2052G
All curves are typical values. Operating in the shaded area is not recommended.
Vin Ids
Ishutdown Isd
tt>T reset
80%
Vin
20%
Tr-in
80%
Tj
Tsd 165C Tshutdown
Ids
20%
Td on Tr
Td off Tf
Vdiag
normal fault
Vds
Figure 1 - Timing diagram
Figure 2 - IN rise time & switching definitions
T clamp
Vin
L
Rem : During active clamp, Vload is negative
V load R + 14V Vds S Ids
Ids
Vds clamp
D IN
5V
Vds
Vin
Vcc
0V
See Application Notes to evaluate power dissipation
Figure 3 - Active clamp waveforms
Figure 4 - Active clamp test circuit
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AUIPS2051L/AUIPS2052G
200%
200%
Rds(on), Drain-to-Source On Resistance (normalized)
150%
Rds(on), Drain-to-Source On Resistance (Normalized)
150%
100%
100%
50%
0% 0 1 2 3 4 5 6
50% -50 0 50 100 150
Vin, input voltage (V)
Figure 5 - Normalized Rdson (%) Vs Input voltage (V)
Tj, junction temperature (C)
Figure 6 - Normalized Rds(on) (%) Vs Tj (C)
2
140% 120%
1.5
Isd, normalized I shutdown (%)
100% 80% 60% 40% 20% 0%
Ids, output current
1
0.5
I limit I shutdown
0 0 1 2 3 4 5 6
-50
0
50
100
150
Vin, input voltage (V)
Figure 7 - Current limitation and current shutdown Vs Input voltage (V)
Tj, junction temperature (C)
Figure 8 - Normalized I shutdown (%) Vs junction temperature (C)
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AUIPS2051L/AUIPS2052G
Idss1, drain to source leakage current 28V (A)
2
SOT223 Rth=100C/W
1.4 1.2 1 0.8 0.6 0.4 0.2 0 -50 0 50 100 150
Ids, cont. Output current (A)
1
0 -50 0 50 100 150
Tamb, Ambient temperature (C)
Figure 9 - Max. continuous output current (A) Vs Ambient temperature (C)
Temperature (C)
Figure 10 - Idss1 (A) Vs temperature (C)
10
Zth, transient thermal impedance (C/W)
1 00
Ids, output current (A)
1 0
1
1
0.1
0.1 0.1 1 10 100 1000 10000
0.01 1 E-5 1 E-4 1 E-3 1 E-2 1 E-1 1 E+0 1 E+1 1 E+2 1 E+3
Inductive load (mH)
Figure 11 - Max. ouput current (A) Vs Inductive load (mH)
Time (s)
Figure 12 - Transient thermal impedance (C/W) Vs time (s)
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AUIPS2051L/AUIPS2052G
300 250
200
Tsd, over temperature shutdown (C)
180 160 140 120 100 80 60 40 20 0 0 1 2 3 4 5 6
Ion, Ioff, input current (A)
200 150 100 50 0 -50 0 50 100
Iin on Iin off
150
Tj, junction temperature (C)
Figure 13 - Input current (A) On and Off Vs junction temperature (C)
Vin, input voltage (V)
Figure 14 - Over temperature shutdown (C) Vs input voltage (V)
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AUIPS2051L/AUIPS2052G
Case Outline - SOT-223 - Automotive Q100 PbF MSL2 qualified
Leads and drain are plated with 100% Sn
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AUIPS2051L/AUIPS2052G
Tape & Reel - SOT-223
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AUIPS2051L/AUIPS2052G
Case Outline - SO-8 - Automotive Q100 PbF MSL2 qualified
Leads and drain are plated with 100% Sn www.irf.com
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AUIPS2051L/AUIPS2052G
Tape & Reel - SO-8
The information provided in this document is believed to be accurate and reliable. However, International Rectifier assumes no responsibility for the consequences of the use of this information. International Rectifier assumes no responsibility for any infringement of patents or of other rights of third parties which may result from the use of this information. No license is granted by implication or otherwise under any patent or patent rights of International Rectifier. The specifications mentioned in this document are subject to change without notice. This document supersedes and replaces all information previously supplied.
For technical support, please contact IR's Technical Assistance Center http://www.irf.com/technical-info/
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105
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