Heat pumps and efficient power semiconductors: Driving the low-carbon future
Heat pumps provide secure and sustainable heating using low-emissions electricity and are central to the global transition to sustainable heating. While primarily used for heating, reverse cycle heat pumps also offer cooling and have significant potential for energy conservation by recovering waste heat.
As businesses move towards a low-carbon future, there is a rising demand for efficient power semiconductors. Minimizing system cost and footprint while enhancing efficiency is crucial. Intelligent power modules (IPMs) are gaining attention in the heat pump market for their high power density and advanced control capabilities, making them ideal for heat pumps.
How heat pumps work
Heat pumps can deliver heating, cooling, and dehumidification needs and are a proven and sustainable solution for heating powered by electricity. They are an environmentally friendly option for your home and office, helping us move away from fossil fuels to more renewable energy technologies. With global concerns about energy security and climate commitments, heat pumps are emerging as the primary tool for decarbonization in space and water heating systems.
Learn more about Heat Pump Solutions in this cohesive System Solution Guide
Design Trends for HVAC
- High Power Density with minimum power dissipation, high efficiency and low EMI
- Scalable design for different heat pump power scaling
- Robust design and integration for long life - protection from environmental influences
- Downsizing -> smaller inverter package defines the entire design
Intelligent Power Module
- IPM contains inverter power stage, gate driver, NTC (optional), bootstrap diode and power switches
- Bring the power level up to 1-20kW for single and three-phase input AC drives
- Direct Bonded Copper:
- Outstanding thermal conductivity: 24(AL2O3) to 170 (ALN) W/mK
- Perfect isolation and no degradation: >20kV/mm
- Huge Resistivity > 10Ωcm @20°C
- Broad temperature range: -55°C to 850°C
- Common packages for P2P replacement
- SiC inside for a huge efficiency improvement
PFC Controllers
- State-of-the-art single-phase, totem pole or Interleaved PFC controllers to increase efficiency
- FAN9673 Interleaved PFC
- NCP1681 Interleaved PFC
- Integrated PFC
- Benefits:
- Efficiency improvement and power factor optimization
- Reducing of voltage drops and current losses
- Improvement by reducing harmonics and voltage fluctuations
- Ensures compliance with standards, thus avoiding penalties
Power Discretes
M3S EliteSiC MOSFET features
- Optimized for High temperature operation
- Diodes: Low series-resistance temperature dependency
- MOSFETs: Stable reverse recovery over temperature
- Improved parasitic capacitances for high frequency and high efficiency application
- Large die with low RDS(on) available
Gate Drivers
Gate drivers are the interface between control signals and power switches. onsemi offers broad portfolio of isolated and non-isolated drivers for a variety of power switches with advanced features to boost your system applications.
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FS7 IGBT
- The 1200V Trench FS7 IGBTs are newly used and recommended for the PFC stage of a three-phase heat pump system
- R-series with low Vce(sat)=1.37V at rated current @25°C
- Available packages: TO-247-3L, TO-247-4L, QD3, Bare die
- Power Integrated Module with FS7 available
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On-demand webinar
Next-Gen Heat Pumps Enhancing Efficiency and Sustainability
Join us for an insightful webinar where we explore how onsemi solutions and the expertise of EBV Elektronik are driving the transformation of heat pumps.
onsemi
FGH4L50T65MQDC50
Using the novel field stop 4th generation IGBT and 1.5 generation SiC Schottky Diode technology in TO-247 4-lead package, FGH4L75T65MQDC50 offers the optimum performance with low conduction and switching losses for high-efficiency operations.
onsemi
IGBTs | FGY75T120SWD
Using the novel field stop 7th generation IGBT technology and the Gen7 Diode in TP247 3-lead package, FGY75T120SWD offers the optimum performance with low switching and conduction losses for high-efficiency operations in various applications.
onsemi EliteSiC Solutions
EliteSiC provides greater control over power conversion, covering AC-DC, DC-AC and DC-DC. Thanks to its unique features, EliteSiC delivers higher levels of efficiency.