IR HiRel Space Product update - JAXA15 20 25 0 2 4 6 8 10 12 V) VGS (V) IRHLC87Y20 Typical SEE SOA...
Transcript of IR HiRel Space Product update - JAXA15 20 25 0 2 4 6 8 10 12 V) VGS (V) IRHLC87Y20 Typical SEE SOA...
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MEWS26 October 24, 2013
IR HiRel Space Product update
Tiva Bussarakons Max Zafrani
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International Rectifier Globally
El Segundo, CA
TS16949,
ISO9001, JANS,
ISO14001
Newport, Wales, UK
TS16949
ISO14001
ISO9001
Temecula, CA
TS16949
JANS
ISO14001
San Jose, CA
ISO9001
MILPRF38534
Mesa, AZ
TS16949
ISO9001
ISO14001
Leominster, MA
ISO14001
ISO9001
MILPRF38534
MILPRF19500
JANS
Tijuana,
Mexico
TS16949,
ISO9001
ISO14001
• 8 Manufacturing Centers, ► 11 Design Centers
■ Global Service and Technical Assistance Centers
St Paul, MN
Pavia, Italy
Provence, France
Rhode Island
Reigate, U.K.
Irvine, CA
Japan
Skovlunde,
Denmark
Durham, NC
Singapore
Shanghai,
China
Shenzen,
China Frankfurt,
Germany
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HiRel Product Technologies
• DC/DC converters
o 5W to >250W output power, higher power with parallel operations
o Converter efficiency of up to 92%
o PCB assembly style and enclosed aluminum housing available
o DSCC class H and K SMDs
o Single, dual, triple, and quad outputs
• Hybrids/Modules
o Application specific hybrids ie: Solid State Relays, AC Switches, etc
o Custom packaging ie: hermetic and near hermetic
o Extended temperature range, extensive screening operation
o Rad Hard Low Drop Out Regulators
o Half bridges
o H-bridges
o 3-Phase bridges
• Discrete Semiconductors
o RAD-Hard MOSFETs and MOSFET Drivers
o Logic Level RAD-Hard MOSFETs
o Hermetic MOSFETs and IGBTs
o Schottky Rectifiers
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1st generation rad-hard MOSFETs with excellent total dose performance
2nd generation • Reduced RDS(on) • Reduced QG • Improved SEGR/SEB
3rd generation • Best in class RDS(on) • Improved SEE SOA • Shape die to better fit
packages for optimum RDS(on)/QG performance
1st logic level gate drive • Developed specifically
for POL buck regulators and synchronous rectification to improve efficiency
• Comparable TID/SEE to R6
Logic level gate drive Developed with further reduction in RDS(on) and gate charge for low voltage POL and synchronous rectification designs with comparable TID and SEE performance to R6
N: 100 to 500V P: 60 to 200V
N: 30V to 250V P: 60 to 200V
N: 100 to 600V N: 60 to 250V P: 60V
N: 20V to 60V
Hexagon cells 5 µm feature size
Stripe planar technology 1.5 µm feature size
Stripe planar technology 0.6 µm feature size
Stripe planar technology 0.6 µm feature size
Trench technology 0.5 µm feature size
1989 1998 2002 2005 2013
R5 , R6 AND R7 TECHNOLOGY
(Stripe planar technology)
Development History of IR’s Rad-Hard MOSFETs
R8 R7
5 µm 1.5 µm 0.6 µm 0.5 µm
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Rad-Hard MOSFET Voltage vs Generation
Gen4
• -60V to -200V
• 100K to 1000K Rads
R5
• -30V to -200V
• 100K to 1000K Rads
BVDSS
- 200V
- 100V
- 60V
- 30V
‘89 ‘02 >> ‘06 ‘08 ‘13
Gen4 R5
R7
BVDSS
600V
500V
400V
250V
100V
60V
30V
‘89 ‘02 >> ‘06 ‘08 ‘13
Gen4
R5
R6
R7
R8
Gen4
• 30V to 500V
• 100K to 1000K Rads
R5
• 30V to 250V
• 100K to 1000K Rads
R6
• 100V to 600V
• 100K to 300K Rads
N-Channel P-Channel
R6 (Dev)
• -60V to -200V
• 100K to 300K Rads
R7 Logic Level
• -60V to -100V
• 100K to 300K Rads
R7 Logic Level
• 60V to 250V
• 100K to 300K Rads
R8 Trench
• 20V to 60V
• 100K to 300K Rads
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Three New Discrete Products from IR
• R8 - New Rad-Hard MOSFETs
• SMD 0.2 - New Low Power Package
• SupIR SMD-2 - New High Power Package
Radiation Hardened MOSFETs
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Extended Performance Characterization
• Extended SOA curves for linear applications
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FEATURES:
20 V BVDSS
±12V BVGSS
100 Krads to 300 Krads TID
SEE immune with LET of 81 MeV-cm2/mg
Logic level gate drive similar to R7
RDS(on) -- 12 mΩ typ./15 mΩ max.
QG -- 18 nC typ./24 nC max.
Available in SMD 0.2, the industry’s smallest surface-mount power package and TO-39
o IRHLNM87Y20
o IRHLF87Y20
Rad-Hard N Channel MOSFET Trench Technology
R8 New Rad-Hard MOSFET for POL Applications
Part Number TID Package BVDSS ID RDS(on) max QG max ƟJC
IRHNM87Y20SCS 100Krads SMD 0.2 20V 17A 15 mΩ 24 nC 3.5 °C/W
IRHNM83Y20SCS 300Krads SMD 0.2 20V 17A 15 mΩ 24 nC 3.5 °C/W
IRHLF87Y20SCS 100Krads TO-39 20V 12A 32 mΩ 27 nC 8.0 °C/W
IRHLF83Y20SCS 300Krads TO-39 20V 12A 32 mΩ 27 nC 8.0 °C/W
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R8 Typical Single Event Effects (SEE) Performance
0
5
10
15
20
25
0 2 4 6 8 10 12
VD
S (V
)
VGS (V)
IRHLC87Y20 Typical SEE SOA
BR
I
AU
ION LET Energy Range VDS (V)
MeV/(mg/ cm2)
MeV µm VGS = 0V VGS = -1V VGS = -3V VGS = -5V VGS =-10V
Br 36.93 298 38.2 18 18 8 4
I 59.72 320 31 18 18 12 8
Au 81.43 332 27.5 18 18 12 6
• Tests performed at Brookhaven National Laboratory
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R8 Typical POL Application
• Designed for Point of Load (POL) voltage regulators, general purpose switching and linear
voltage regulator applications
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• R8 offers efficiency improvement over R5 (refer to efficiency plots below)
o 1.2V output: 3.9 to 6.0%
o 3.3V output: 1.5 to 3.1%
• R5: IRHNJ57Z30, 30V - RDS(on) = 20 mΩ max, QG = 65 nC max
• R8: IRHNM87Y20, 20V - RDS(on) = 15 mΩ max, QG = 24 nC max
R8 Increases Efficiency Performance, R8 vs. R5
3.9%
6.0%
1.5% 3.1%
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Selection of Hermetic Packages
Low Power: 0.6W to 29W
High Power: 75W to 300W
TO-39 UB LCC-6 LCC-18 LCC-28
SMD-0.5 TO-257
Also: Low Ohmic/Tab-less
SMD-1 SMD-2 TO-254
Also: Low Ohmic/Tab-less
MO-036
NEW
NEW
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SMD-0.2
SupIR SMD-2™
(NX)
(NM/U8)
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• Industry’s smallest surface mount power package
• 50% smaller than SMD 0.5
• 75% lighter (only 0.25 g)
• Aluminum nitride (AlN) case
• R5 and R7 250V devices are in qualification
• Patented design (U.S. Patent No. 7,508,506 B2)
0.2” (5 mm)
0.3” (8 mm)
0.25g
0.3” (8 mm)
0.4” (10 mm)
1.0 g
SMD 0.2
SMD 0.5 NEW
New SMD 0.2 Package for Low Power MOSFETs
A space qualified compact surface mount package only from IR for low power applications
DLA JANS Qualified Devices
• JANSR2N7503U8 (IRHNM57110SCS), R5, 100V, N Channel
• JANSR2N7506U8 (IRHNM597110SCS), R5, 100V, P Channel
• IRHNM77110SCS (JANSR2N7609U8), R7, 100V, N Channel – in process
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New SMD 0.2 Package Construction
Internal View Top View Bottom View
Lid – Kovar or ceramic Cu Metalization O-Ring - Kovar
Wall/Bottom - AlN
0.305”L x0.21”W x 0.10”H
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SupIR SMD-2™ - Latest packaging Innovation
from International Rectifier for Space Grade Rad-Hard Power MOSFETs and Power Rectifiers
FEATURES: • JANS qualified IAW MIL-PRF-19500
• Improved performances compared to the nearest packaging solutions, SMD-2 package with a carrier
35% smaller, 0.376 in2 vs. 0.583 in2
45% lighter. 2.8 g vs. 5.1 g
Lower thermal resistance by 0.25°C/W
Lower package resistances by 30%, 0.68 Ω vs. 0.97 Ω
Lower parasitic inductance by 76%, 0.52 µH vs. 2.19 µH
Yield a higher current rating, 82A vs. 56A
• Facilitates assembly design and reduces costs
• Accommodates the largest IR’s size 6 die
New SupIR SMD-2™ Package
SupIR SMD-2™
SMD-2
NEW
1.127”
0.710” 0.417” (37%)
Carrier
0.530”
0.528”
37% Foot Print Reduction
SMD-2 with Carrier
= +
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SupIR SMD-2™ - Package Construction/Qualification
JANS Qualified IAW MIL-PRF-19500
• X-ray, Wire Bond Pull, Die shear, Leak testing
• PIND
• RGA
• Salt atmosphere
• 300C bake
• Barometric pressure (500V @ 33 Torr)
• 500 temperature cycles (-55C to 150C, air to air)
• Solderability
• Thermal shock 15 cycle (-55C to 125C, liquid to liquid)
• Terminal strength
• Moisture resistance
• Shock, vibration, constant acceleration
• Resistance to soldering heat
• S level qualified – HFB60HNX20SCS
• Available soon
Frame – Alumina, 94%
Seal Ring - Kovar
Base – 85% W/ 15% Cu Lead – OFHC Cu
Lid - Kovar
Products Qualification
• HFB60HNX20SCS, 35ns, 200V, 60A -- released
• IRHNX67160SCS, R6, 100V – in process
• IRHNX67164SCS, R6, 150V – in process
• IRHNX67260SCS, R6, 200V – in process
• IRHNX67264SCS, R6, 250V – in process
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SupIR SMD-2™ In-Circuit Benefits Example
• Primary H-bridge with four MOSFETs and a secondary Hy-Bridge (current doubler) stage with two MOSFETs for synchronous rectification
• SMD-2 with leads can only dissipate about 2W
• SMD-2 would require parallelling MOSFETs which has a penalty in switching losses and in the snubber size needed to dampen the energy from the stray inductance of the transformer that may cause excess stress to the MOSFET due to their output capacitance
• SupIR SMD-2™ can dissipate 4W, no need for
parallel:
6 MOSFETs instead of 12
IR DC-DC converter EGA Series High efficiency 300W EPC for GaN SSPA SupIR-SMD-2™
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Benefits of SupIR SMD-2™
Load condition: V1: 50V, V2: +8V 0A, V3: -8V 0A
EGA Efficiency (Vin 50V, V1=50V)
75.0%
80.0%
85.0%
90.0%
95.0%
0 1 2 3 4 5 6 7
V1 Current [A]
Efficiency
+25°C
-40°C
-20°C
+75°C
Benefits of SupIR SMD-2™
• 2x power dissipation
• 6 MOSFETs instead of 12
• 1.4% increase in efficiency lower cost
• 18 cm² smaller
• 40 g lighter PCB-area
• less circuit complexity
• higher reliability
SupIR SMD-2™ vs. SMD 2 with Leads
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GIDEP SYSTEM
Failure Experience Data (FED)
Diminishing Manufacturing
Sources & Material
Shortages (DMSMS)
Product Information Data
GIDEP DATABASE STRUCTURE
CENTRAL DATABASE for Information and Data Exchange
Systems
- Product Alert - Product Advisory
- EOL - Last Time Buy
- Product Change Notice - Process Change Notice
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GIDEP SYSTEM
Issued GIDEP INFORMATION AND DATA records are posted and accessible on IR Web Site:
http://www.irf.com/product-info/hi-rel/alerts.html
Systems
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Where is it safe to operate the MOSFET in the Id, Vds and pulse width domain? The straight SOA lines assume that power dissipation is uniform under all power conditions However power dissipation is not uniform in the MOSFET under all power conditions Local thermal runaway in the MOSFET’s linear mode of operation limits the SOA
SOA Curve and Linear Mode Operation
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Better method of assigning SOA Dr. P. Spirito [1] et. Al. suggest —
As transconductance increases (e.g. in shorter channel lengths, from planar to trench devices [2]): 1. the drain current temperature
dependence can become positive like power BJTs
2. the likelihood of hot spots (thermal instability) increases
3. and the SOA degrades
How is the new method done?
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Transfer Curves Per Generation
Shorter Channel Length Stronger Temperature Dependence of Drain Current
Greater Propensity for Severe Thermal Instability
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R5 200V P-Channel Spirito versus Actual (new DC curves)
Measured
Curve
Spirito Curve
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Preventing Linear Mode failure
• Use older generation MOSFETs with lower gain when possible
• Select devices with low ZTC point
• Make sure that the MOSFET Zero Temperature Coefficient (ZTC) point is low or operate above it
• Avoid operation near the SOA boundary
• Choose smaller of two devices as it will be less sensitive to thermal current focusing
ZTC
Safe
Un-Safe