84
SKAI® 2 IGBT
SKAI® 2 MOSFET Single
SKAI® 2 MOSFET Dual
ID, IC [A]
Systems for e-vehicles
600V/1200V
300A
100V/150V/200V
200A 400A
100V/150V/200V
150A 400A
150 200 300 400
85
SKAITM 2
3-phase inverter systems up to 250 kVA
for electric vehicle applications
Applications
SEMIKRON’s SKAI2 product platform is predestined
for use in automotive applications. The systems are
designed to operate with battery voltages of 24 - 800 V,
output power ratings of 10 - 250 kVA, and are developed
in line with the latest automotive and system qualication
standards. The standard systems are supplied with
low-voltage MOSFETs or high-voltage IGBTs in single
or dual conguration.
semiconductor technology for an output power
of up to 250 kVA. It features a polypropylene lm
DC-link capacitor, driver electronics, a state of the art DSP
controller, EMC lters, and sensors for current, voltage
and temperature monitoring. All system components will
be protected by a waterproof IP67 metal case against
environmental impacts. The system can communicate
with the vehicle master controller via CANbus.
The low-voltage SKAI2 MOSFET 3-phase inverter
systems are available in different congurations
regarding cooling, battery voltage and topology.
It is mainly used in medium power electric vehicle
applications with motor power of up to 55 kVA. They
have extremely short bus-bar connections between the
MOSFET dice and multicell DC bus capacitor,
leading to low inductance in the commutation
circuit. This results in a switching behavior with very
low voltage overshoot. The utilization of maximum
MOSFET drain-source voltage as well as power density
is high. The inverter is integrated in a waterproof
IP67 enclosure but with the cost-effective solution
of leaving the power terminals open. Thermal and
electrical contact of SKAI2 systems are based on
SKiiP pressure-contact technology. This results in
extended service life and high load cycling capability.
Product range
The IGBT-based SKAI2 is available as watercooled
3-phase inverter in voltage classes 600 V or 1200 V, with
or without DSP, with an output power of up to 250 kVA.
The MOSFET-based SKAI2 is available as forced-air
cooled, water-cooled or baseplate type, in voltage
classes 100 V, 150 V or 200 V, in single or dual 3-phase
inverter topology with an output power of up to 55 kVA.
Benets
The high-voltage SKAI2 is available as a water-cooled
600 V or 1200 V IGBT-based 3-phase inverter system.
It has been optimized for electrication of commer-
cial vehicle drive trains. This system is based on the
established, sintered, and 100 % solder-free power
86
Systems - SKAI2
Type Vbattery (max) ICnom Topology Cooling DSP Case Circuit
V A
MOSFET - Three-phase inverter
SKAI 60 A2 MD10-L 1) 72 400 3-Phase Forced Air Yes 1
SKAI 60 A2 MD10-P 1) 72 400 3-Phase Baseplate Yes 3
SKAI 70 A2 MD15-L 1) 115 350 3-Phase Forced Air Yes 1
SKAI 70 A2 MD15-W 1) 115 400 3-Phase Liquid Yes 2
SKAI 50 A2 MD20-L 1) 160 300 3-Phase Forced Air Yes 1
SKAI 50 A2 MD20-W 1) 160 350 3-Phase Liquid Yes 2
SKAI 60 A2 MM10-L 1) 72 250 Dual 3-Phase Forced Air Yes 4
SKAI 70 A2 MM15-L 1) 115 200 Dual 3-Phase Forced Air Yes 4
SKAI 70 A2 MM15-P 1) 115 200 Dual 3-Phase Baseplate Yes 6
SKAI 70 A2 MM15-W 1) 115 300 Dual 3-Phase Liquid Yes 5
SKAI 50 A2 MM20-L 1) 160 150 Dual 3-Phase Forced Air Yes 4
SKAI 50 A2 MM20-W 1) 160 250 Dual 3-Phase Liquid Yes 5
IGBT - Three-phase inverter
SKAI 90 A2 GD06-WCI 1) 450 300 3-Phase Liquid Yes 7
SKAI 45 A2 GD12-WCI 1) 800 300 3-Phase Liquid Yes 7
SKAI 90 A2 GD06-WDI 1) 450 300 3-Phase Liquid No 7
SKAI 45 A2 GD12-WDI 1) 800 300 3-Phase Liquid No 7
footnotes
1) New
87
Systems - SKAI2
Cases
Case 1
Case 2
Dimensions in mm
88
Systems - SKAI2
Cases
Case 3
Case 4
Dimensions in mm
89
Systems - SKAI2
Cases
Case 5
Case 6
Dimensions in mm
90
Systems - SKAI2
Cases
Case 7
Dimensions in mm
91
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