New Component Technologies Enable More Robust and Reliable Power System Design

Transcription

1 New Component Technologies Enable More Robust and Reliable Power System Design APEC2016 Chris Reynolds Technical Marketing Manager AVX Corporation (843) AVX Corporation

2 SMD Capacitor Technologies & DFM Design Consideration DFM Fail Safe Fault Tolerance System Lifetime System Reliability Technology New Series Electrical Mechanical Electrical Mechanical Electrical Mechanical Electrical Mechanical Electrical Mechanical MLCC Tantalum & Niobium High Reliability / Flexiterm Flexible Termination Flexible Termination / Cascade ESD-Rated / Flexiterm High Temperature MLCC Molded Body MLCC High Reliability Molded Tantalum High Voltage Polymer Tantalum Fused Tantalum High Temperature Tantalum Niobium Oxide ltilayer Organic Standard Chip Film wer Film Power (Segmented) Film rcuit Protection CapGuard Varistor AECQ Feedthru Varistor High Temperature AECQ Varistor Supercapacitor Proton Polymer (Supercap)

3 Cu MLCC Flexiterm Standard Termination - Mechanical Performance Sn Ni Short Circuit Fail Site Major Fear is of Latent Board Flex Failures

4 Cu MLCC Flexiterm Standard Termination - Mechanical Performance Sn Ni Short Circuit Fail Site Major Fear is of Latent Board Flex Failures

5 FlexiTerm MLCC Flexiterm FlexiTerm - Mechanical Performance Open Circuit Failure Far superior mechanical performance Open circuit failure mode

6 FlexiTerm MLCC Flexiterm FlexiTerm - Mechanical Performance Open Circuit Failure Far superior mechanical performance Open circuit failure mode

7 MLCC FlexiSafe Designed to virtually eliminate the risk of short circuit failure Terminated with the FLEXITERM layer Manufactured with Cascade electrode design internal structure The cascade design results in a reduction of cap by a factor of 4 This is offset by using TTP ( Thinner Tape Process ) A normal flexure crack will not result in a Short Circuit

8 MLCC ESD-SAFE CAPACITORS ESD WITHSTANDING MULTI LAYER CERAMIC CAPACITORS The ESD-Safe series is an enhanced MLC capacitor developed and designed specifically for general ESD protection. (ESD = Electro Static Discharge) ESD-Safe capacitors are utilized for ESD protection of I/O gates. The small footprint makes them ideal for high density electronic devices. Designed for occasional ESD events not continuous.

9 ESD Integration Capacitor Applications Automotive modules Industrial controllers Alarm systems Consumer electronics Features ESD capability to 25kv Wide Value Range Standard and flexible Terminations Multiple case sizes Capacitance Code Value 50V 100V 25V 50V 100V 25V 50V 100V (nf) 16kV 16kV 16kV 16kV 16kV kV 16kV 16kV 16kV 16kV kV 16kV 16kV 16kV 16kV kV 16kV 16kV 16kV 16kV kV 25kV 25kV 25kV 25kV 20kV 20kV 20kV kV 25kV 25kV 25kV 25kV 20kV 20kV 20kV kV 25kV 25kV 25kV 25kV 20kV 20kV 20kV kV 20kV 20kV 20kV 22kV 22kV 22kV kV 22kV 22kV 22kV 24kV 24kV 24kV kV 22kV 22kV 22kV 24kV 24kV 24kV kV 22kV 22kV 22kV 26kV 26kV 26kV kV 24kV 24kV 24kV 26kV 26kV 26kV kV 24kV 24kV 24kV 26kV 26kV 26kV kV 24kV 24kV 28kV 28kV 28kV kV 26kV 26kV 28kV 28kV 28kV kV 26kV 26kV 28kV 28kV 28kV kV 26kV 26kV 28kV 28kV 28kV kV 28kV 28kV 28kV (µf) 26kV 28kV 28kV 28kV kV kV

10 HIGH TEMPERATURE, STACKED SMPS CAPACITORS DIP LEADS & Leaded TWO DIELECTRICS: - Class I & Class II High Temperature 200 o C o C VOLTAGE RATINGS: - 25V to 500 VDC LOW ESR / ESL, HIGH CURRENT CAPABILITY

11 Low-Noise Class II MLCC 1.9 mm 1.6 mm 1.2 mm MLCC in a Molded package

12 Low-Noise Class II MLCC Bare 0402 MLC Parts soldered on 100 x 40 x 2 mm thick FR4 1-5kHz Swept Sine 8 VAC (p-p) 8 VDC Bias R-Case w/ 0402 MLC Insert on 0805 Pads R-Case w/ 0402 MLC Insert on 0603 Pads

13 Low DCL High Reliability Tantalum SMD Characteristics: Dedicated to medical applications Implantable, Non-Life support Non-Implantable, Life support Base reliability better than 0.1%/1000hours Custom DCL / ESR options Applications: Filtering / Decoupling Hold-up Timing Circuits Pulsing Circuits please contact manufacturer for offering outside the matrix

14 High Voltage Conductive Polymer Features Working Voltages to 125V Lower ESR 3x reflow 260 C compatible CV range: μF / V 17 case sizes available 125 C Temperature Range Benefits 125V the highest voltage SMD polymer capacitor available Reduced ignition failure mode 20% derating Miniaturel and low-profile case size focus Applications Commercial Industrial Networking 14 AVX Corporation 2016

15 High Voltage Conductive Polymer VoIP 48V Increasing Voltage Capability: 150V in development 200V feasibility studies Low Polymer DCL in development 28v - 48V Power - 100V 48V 110V Advantages over Al Electrolytic: Improved Life Time Lead-Free Assembly capability Wider Operating Temperature Smaller Case Sizes Higher CV HIGHEST VOLTAGE SMD POLYMER ENABLES DESIGN OF NEXT GENERATION POWER SUPPLIES SMALLER, LIGHTER, LONGER LIFE TIME, HIGHER POWER RATING 15 AVX Corporation 2016

16 High Reliability Hermetically Sealed Polymer Features CV range: μF / V 10,000 hrs Endurance Ceramic case hermetic packaging Large case sizes including CTC-21D provide high capacitance values Benefits Stability under humidity and ambient atmosphere exposure Developed with ESA to suit aerospace applications Manufacturing and screening utilizing patented Q-Process Applications Aerospace Defense Power supplies Pulse power 16 AVX Corporation 2016

17 High Reliability Hermetically Sealed Polymer Ta capacitor with polymer Why Hermetic Packaging? Thin cathode layers under extreme condition are subject of potential degradation Stable low ESR Stable parts under extreme conditions Tantalum Polymer for zero failure tolerant Aerospace & Hi-Rel applications Hermetic seal: Protects from degradation by humidity Protects from degradation by oxidation

18 High Voltage Hermetic Polymer Capacitor Optimized anode Use of special ageing and screening processes Hermetic seal High voltage capacitor LOW ESR high BDV low DCL 35 to 125V rated Excellent Temperature Stability

19 Stability of Hermetic Polymer Sealed Capacitor Stability of capacitance and ESR 35V rated voltage capacitor at 125 C and UR Stable Performance 10,000 hrs

20 Stability of Hermetic Polymer Sealed Capacitor standard DCL limit (350µA) slow DCL decrease very low steady state DCL DCL measurement after 10,000h at 125 C and rated voltage

21 Low ESR Niobium Oxide OxiCap Non-burn Technology* Reliability 0.2%/1000hrs standard EIA case sizes up to 10Vrated, 20% Derating Temperature -55 C C Base Reliability 0.2% / 1000 hrs Elektra Award 2005 * failed OxiCap will not burn up to category voltage

22 Niobium Oxide Multi-Anode Low ESR Low ESR Multi-anode design SMD, J lead, (10 75)v Ur Failure rate 0.2%/1000hrs, -55 C C Robust design for long lifetime operation 22 AVX Corporation 2016

23 Multi-Layer Organic Technology (MLO TM ) Capacitors / Inductors Filters / Crossovers Couplers / Diplexers Low ESR Cap value range from 0.1 pf to 2.5pF today Tight Tolerance (Series P, A and B) Superior Voltage Rating (250V) Excellent High Frequency Characteristics Expansion Matched to PCB Available in NiSn, and OSP Finish RoHS Compliant Availability Today Inductor values range from 0.8nH to 33nH in 0402 case size High Q Low DC Resistance Tight tolerance ( A, B, C, D) Excellent ESD characteristics Expansion matched to PCB Available in NiSn and Cu Finish RoHS Compliant Availability - Today Dual band diplexer WCDMA, CDMA, WLAN available Ability to do custom design Low Loss High Isolation Stable performance over frequency Expansion matched to PCB; Available in NiSn and Cu Finish RoHS Compliant Sample Availability Today

24 Multi-Layer Organic Technology (MLO TM ) Lumped Element Design The dimension of the circuit element is much smaller than the signal wavelength Therefore, you can treat your circuit element as a lumped unit (against the wavelength) Diplexer A passive device that implements frequency domain multiplexing Two ports (L, and H) are multiplexed onto a third port (S) RF Coupler An RF coupler magnetically couples two metal lines Is a device used to control the Direction Phase Amplitude of an RF signals Output Isolated Input Coupled

25 Power Film Capacitors DC filtering DC Motor AC Specific capacitor (AC capacitor) Decoupling 170kW Inverter 1100uF / 450VDC 470A Irms Ripple Modular approach mostly just for DC link, but can also integrate film snubbers (Y caps) - FSB or Ceramic SM0

26 Controlled Self-Healing Controlled Self-healing Technology * Soft end of lifetime No short-circuit no avalanche effect * calculable lifetime Capacitance decrease A Critical Advantage! Mosaic segmentation design Gate Capacitor Elements R R Gate Equivalent Circuit

27 Controlled Self-Healing Basic concept of segmented metallized film: The total capacitance is divided into elementary cells protected by fuse gates (several million). In the event of a weak point, only that cell will be removed by fuse activation. C/C (%) 100h 1000h 10000h Capacitance decreases as a function of cell element fuse activation. -5% t No catastrophic failure (short circuit) results, only a decrease in bulk capacitance. Aging level (Delta cap) is calculable. Total Safety

28 TRANSFEED VARISTORS The unique construction of a TransFeed varistor provides low parallel inductance and offers excellent decoupling capability for all high di/dt environments and provides significant noise reduction in digital circuits. VCAS08LC18A500 V2AF118X500Y3D IN GND GND GND IN 1-4 OUT 1-4 OUT GND

29 Multilayer Varistors - Advantages The ceramic material is doped Zinc Oxide where every grain is a Schottky Diode. The structure between the plates gives series/parallel diodes. The entire volume dissipates energy. Bi-directional transient voltage protection EMI/RFI filtering in the offstate (EMC capacitance) Operating temperature: - 55 C -150 C) Small size & weight Fastest response (sub ns) Multiple strike capability (no wear-out characteristic) AEC-Q200 Qualified (Automotive series)

30 High Temperature TransGuard MLV MLV = Multilayer Varistor - Transguard New product developed specifically for automotive customers with need for temperature rating at 150ºC. Parametric data and reliability testing performed at 150ºC. Future development plans include 200ºC rating. CAN & AntennaGuard Series Typical applications Underhood modules, Avionics Controls, Sensors, Downhole Sensors Features/Benefits o 150ºC rating o AEC Q200 qualified o Designed to highest energy and current handling capability o High reliability