Power modules for EV charging stations: High efficiency through SiC-MOSFETs

September 03, 2019 //By Christoph Hammerschmidt
Power modules for EV charging stations: High efficiency through SiC-MOSFETs
The production figures for electric vehicles are rising rapidly, both for all-electric and hybrid cars. This increases the importance of energy-efficient charging stations. To meet the rapidly growing demand for energy-efficient charging stations for electric vehicles, Infineon Technologies has launched two new silicon carbide modules of the EasyPACK 1200 V family. Both the Easy 1B and the Easy 2B integrate CoolSiC MOSFETs.

The power modules are available in two different topologies and allow engineers to design systems with maximum efficiency and reduce cooling costs. They can also be used for higher-frequency operation. The Easy 1B (F4-23MR12W1M1_B11) integrates a four-pack topology for the DC/DC stage of the charging station. The Easy 2B (F3L15MR12W2M1_B69) has a three-stage configuration that is well suited for the Vienna Rectifier, which is common for the PFC stage in this application. In combination, the power modules can be used for 50/60 kW EV charging solution.

The standard EasyPACK package for power modules features industry-leading low leakage inductance. This helps build stacked modular solutions of charging stations up to 120/150 kW. The NTC temperature sensor, also integrated, facilitates component monitoring, and PressFIT technology reduces assembly time.

Both are not only suitable for charging stations, but likewise for UPS applications.

More information: https://www.infineon.com/cms/en/product/power/wide-band-gap-semiconductors-sic-gan/silicon-carbide-sic/coolsic-mosfet/f4-23mr12w1m1_b11/ and https://www.infineon.com/cms/en/product/power/wide-band-gap-semiconductors-sic-gan/silicon-carbide-sic/coolsic-mosfet/f3l15mr12w2m1_b69/


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