Slide 1: CeraLink: Ceramic capacitors for fast-switching power electronic circuits
CeraLink Ceramic capacitors for fast-switching power electronic circuits TDK Electronics AG Piezo & Protection Devices Business Group Munich, Germany August 2024
Slide 2: Capacitor Technology Requirements: Moving to Wide Bandgap
Capacitor Technology Requirements Moving to Wide Bandgap Higher temperature requirements, higher frequencies, steeper switching (SiC/GaN) ● Smaller ● Higher operating ● Smaller solution temperature ● Higher operating ● Lower ESL ● Lower ESL temperature ● Mechanically ● Higher frequency ● Lower ESL m
Slide 3: CeraLink: Special Behavior 1/2
CeraLink: Special Behavior 1/2 Some differences to MLCC Feature: Positive bias behavior Linear Ferroelectric Antiferroelectric ● Increasing capacitance with DC bias between 0 V and Vop MLCC class I MLCC class II CeraLink ● Best in class capacitance density at operating point (Vop & Top) µF µF µF V V
Slide 4: CeraLink: Special Behavior 2/2
CeraLink: Special Behavior 2/2 At high temperature At high frequency ● Operating temperature up to +150 °C ● Optimal frequency in the range of 100 kHz to 1 MHz ● Low losses at high temperature ● Minimal ESR due to low-loss copper electrodes ● Low leakage current and HF-suited mechanical construction
Slide 5: CeraLink: Product Portfolio and Outlook
CeraLink: Product Portfolio and Outlook Rated voltage Series Case Basic element 500 V 700 V 900 V size 7.85 x 6.84 x 2.65 mm SMD Low profile LP (L /J-style) 1 µF 0.5 µF 0.25 µF 2220 Flex assembly 0.5 / 0.75 FA2 / FA3 2 / 3 µF 1 / 1.5 µF µF Flex assembly FA10 10 µF 5 µF 2.5 µF 500 V 700 V 900 V 2220
Slide 6: CeraLink: Ideal for Demanding Applications (Examples)
CeraLink: Ideal for Demanding Applications (Examples) Compact Temperature design High- High current voltage capability High-voltage Power supplies for Test and applications in xEVs medical equipment measurement Low weight/ low size Robust Low ESL design Traction Drives Welding (SiC) © TDK Electronic
Slide 7: CeraLink: Known Customer Applications
CeraLink: Known Customer Applications Markets EV charging landscape Automotive ● On-board chargers (OBC) ● DC-DC converters ● Auxiliary inverters for xEVs (HV compressors, HV pumps, HV heaters) ● Power modules for inverters Industry ● Energy storage systems ● Power converters ● Solar inverters ● Dri
Slide 8: CeraLink: Ideal for Demanding Applications Key Facts
CeraLink: Ideal for Demanding Applications Key Facts Known customer applications ● Suitable for HV designs like 400 V/800 V ● Increasing capacitance with DC bias and best in class Automotive Industry capacitance density at operating point (Vop + Top) ● Supports miniaturization with low inductive des
Slide 9: www.tdk-electronics.tdk.com
www.tdk-electronics.tdk.com