Tdk Corporation · TSE:6762
Tdk — Technical Presentation (February 2023)
22 slides from Tdk's technical presentation, February 2023
Slide 1: CeraLink opens new dimensions in power electronics
Ceramic capacitor technology CeraLink® opens new dimensions in power electronics TDK Electronics AG Piezo and Protection Devices Business Group Product Marketing PI AE/IE Munich, Germany Feb 2023
Slide 2: CeraLink in a shot - optimized for conditions under operation in power electronics
CeraLink in a shot - optimized for conditions under operation in power electronics Use CeraLink when ● Space requirement is tight Full performance C ● Temperature is demanding (+150 °C) potential ● High current rating is vital ● Requirements for capacitance density are tough Vop V V ● High switching
Slide 3: CeraLink's special behaviour ①
CeraLink’s special behaviour ① Some differences to MLCC Feature: Positive bias behaviour 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
Slide 4: CeraLink's special behaviour ②
CeraLink’s special behaviour 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 backend ● No thermal ru
Slide 5: Technology Insights
Attracting Tomorrow &TDK Technology Insights
Slide 6: Capacitor technology landscape
Capacitor technology landscape © TDK Electronics AG 2023 Ceramic Capacitor Technology CeraLink® Product Marketing PI AE/IE 02/23 6
Slide 7: Technology guideline
Technology guideline Film capacitors Large MLCC chips Stacked MLCC CeraLink ● Smaller ● Higher operating ● Smaller solution temperature ● Higher operating ● Lower ESL ● Lower ESL temperature ● Mechanically ● Higher frequency ● Lower ESL more robust ● SMD ● Higher ripple ● Higher ripple current ratin
Slide 8: Positioning CeraLink in capacitor landscape
Positioning CeraLink in capacitor landscape Film capacitors Large MLCC chips Stacked MLCC CeraLink SiC Si IGBT GaN General Ceramic landscape Capacitance Film MLCC Special MLCC MLCC Consideration of total CeraLink CeraLink solution cost at voltage capacitor class II requirements class I class II Nom.
Slide 9: CeraLink LP versus MLCC class II
CeraLink LP versus MLCC class II Capacitance Similar like @ 400 V + 20 V ripple Ripple current Similar like @ 100 kHz & 85 °C ● Less PCB space Added value of ● Higher temperature CeraLink LP series ● Low ESL Stacked MLCC based on case size 2220 © TDK Electronics AG 2023 Ceramic Capacitor Technolog
Slide 10: CeraLink's special behaviour… (1)
CeraLink’s special behaviour… (1) … positive bias behaviour CeraLink features a non-linear capacitance behavior, i.e. the capacitance strongly depends on external parameters such as the applied DC bias voltage or the temperature. It is important to note that CeraLink is designed to have its capacita
Slide 11: CeraLink's special behaviour… (2)
CeraLink’s special behaviour… (2) … at high temperatures Temperature sensor ● Operating temperature up to +150 °C Chip ● Low ESR ● Low leakage current ● No thermal runaway ● Superb heat transport capabilities to PCB due to copper-invar-copper (CIC) lead frames* ● High ripple currents of up to 11 A/µ
Slide 12: CeraLink's special behaviour… (3)
CeraLink’s special behaviour… (3) … at high frequencies Semiconductor overshoot principle ● Perfect for frequencies up to 1 MHz Semiconductor switching voltage [V] 600 100 ● No limitation of dV/dt Semiconductor collector current [A] 90 500 80 ● Minimal ESR at high temperatures 400 70 due to low-loss
Slide 13: CeraLink product portfolio
CeraLink product portfolio Rated voltage Series Case Basic element 500 V 700 V 900 V size 7.85 x 6.84 x 2.65 mm SMD 2220 Low profile LP (L /J leads) 1 µF 0.5 µF 0.25 µF Flex assembly 0.5 / 0.75 FA2 / FA3 2 / 3 µF 1 / 1.5 µF µF 500 V Flex assembly 500 V 700 V 900 V 10 µF 5 µF 2.5 µF FA10 Solder pin S
Slide 14: CeraLink SMD 2220 series
CeraLink SMD 2220 series ● Optimized for capacitance density ● 500 V component with 1.4 mm height (MLCC design) Cnom, typ: 250 nF ● Termination IRMS @100 kHz and 85 °C: 5 A Standard: Cu cap with Ni/Sn galvanics Soft electrode: additional conductive resin layer absorbing mechanical stress Reg
Slide 15: CeraLink product outlook
CeraLink product outlook The chip size components CeraLink SMD 2220 500 V CeraLink SMD 2220 CeraLink SMD 1210 500 V h: 1.4 mm with maximum capacitance with maximum capacitance due to higher height due to higher height Cnom, typ: 250 nF 500 V component 500 V component Released 900 V component 900 V c
Slide 16: Application Insights
Attracting Tomorrow &TDK Application Insights
Slide 17: CeraLink target applications
CeraLink target applications Principle circuit diagram of function of capacitors in e.g. motor drives SiC Output power [VA] 10 M High power Main function Scope 1M ● Snubber capacitor ● High power density 100 K 10 K ● Filter capacitor ● High efficiency GaN 1K High speed ● Flying capacitor ● High temp
Slide 18: 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 xEV medical equipment measurement Low weight/ low size Robust Low ESL design Traction Drives Welding (SiC) © TDK Electronic
Slide 19: CeraLink as DC link
CeraLink as DC link Maximum voltage ratings Series Features 650 V 1000 V 1300 V Flex Assembly 10 µF / 500 V 5 µF / 700 V 2.5 µF / 900 V FA10 The capacitance characteristic and low ESR of CeraLink avoid a thermal runaway Solder Pin 20 µF / 500 V 10 µF / 700 V 5 µF / 900 V SP Itot In parallel connecti
Slide 20: CeraLink as snubber
CeraLink as snubber 1 per half bridge - mounted close to the semiconductor Maximum voltage ratings Series Features 650 V 1000 V 1300 V Low Profile 1 µF / 500 V 0.5 µF / 700 V 0.25 µF / 900 V LP (L /J leads) • Low ESL (typ. 3 nH) Flex Assembly 2/3 µF / 500 V 1/1.5 µF / 700 V 0.5/0.75 µF / • Low losse
Slide 21: CeraLink: Ideal for demanding applications Key facts
CeraLink: Ideal for demanding applications Key facts Target applications ● Suitable for HV designs like 400 V/800 V ● Increasing capacitance with DC bias Automotive Industry and best in class capacitance density ● OBC ● Drives at operating point (Vop + Top) ● DC/DC ● Energy storage systems ● Support
Slide 22: www.tdk-electronics.tdk.com
www.tdk-electronics.tdk.com