Tech Library Products & Technologies Applications & Cases (-) Solution Guides Facet Tech Note List Article Category » Taxonomy term » Name Application Specific IC (ASIC) Capacitors EMC Components Inductors (Coils) Noise Suppressing / Magnetic Sheets RF Components Sensors and Sensor Systems Voltage / Current / Temperature Protection Devices Wireless Power Transfer Facet Tech Note List Product Categories L1 Automotive Consumer Electronics ICT Industrial & Energy Medical & Healthcare Wearables Facet Tech Note List Application Category 2023 2022 2021 2020 2019 2018 2017 2016 2015 Facet Tech Note List Published on Date Solution Guides Mar. 2023 [Solution Guide] Noise Countermeasures for DC-DC Converter Input Lines using 3-terminal Filters (Feed-through Filters for Power Lines) New In recent years, switching speed of DC-DC converters has increased as the switching frequency has become higher. As a result, high-frequency noise is generated when inductance and stray capacitance of the wiring of board or inside IC resonate due to a sudden change in input current. The high-frequency noise can conduct to external circuits and cause abnormal operation of the set. This Solution Guide introduces examples of noise countermeasures using a three-terminal filter (feed-through filter for power lines) with low ESL, which is effective for noise countermeasures against noise generated on the input side of DC-DC converters. In recent years, switching speed of DC-DC converters has increased as the switching frequency has become higher. As a result, high-frequency noise is generated when inductance and stray capacitance of the wiring of board or inside IC resonate due to a sudden change in input current. The high-frequency noise can conduct to external circuits and cause abnormal operation of the set. This Solution Guide introduces examples of noise countermeasures using a three-terminal filter (feed-through filter for power lines) with low ESL, which is effective for noise countermeasures against noise generated on the input side of DC-DC converters. EMC Components EMC Components 3-terminal Filters Solution Guides Mar. 2023 [Solution Guide] Solution Guide: Replacing Electrolytic Capacitor with MLCC, Revised Guide Update Traditionally, aluminum electrolytic capacitors and tantalum electrolytic capacitors have been widely used for smoothing and decoupling applications that require large capacitance. With increasing capacitance values, MLCCs are replacing various electrolytic capacitors in power circuits and other applications. Replacing electrolytic capacitors with MLCCs offers various benefits such as space reduction due to smaller size and lower profile, reduced ripple voltage due to low ESR, and improved reliability due to reduced self-heating. On the other hand, low ESR, which is an advantage of MLCCs, can sometimes lead to abnormal oscillation or anti-resonance. Additionally, high dielectric constant MLCCs (Class 2) exhibit a characteristic capacitance change when DC voltage is applied, so caution is necessary. This guide explains the advantages and precautions to be taken when replacing electrolytic capacitors with MLCCs. Traditionally, aluminum electrolytic capacitors and tantalum electrolytic capacitors have been widely used for smoothing and decoupling applications that require large capacitance. With increasing capacitance values, MLCCs are replacing various electrolytic capacitors in power circuits and other applications. Replacing electrolytic capacitors with MLCCs offers various benefits such as space reduction due to smaller size and lower profile, reduced ripple voltage due to low ESR, and improved reliability due to reduced self-heating. On the other hand, low ESR, which is an advantage of MLCCs, can sometimes lead to abnormal oscillation or anti-resonance. Additionally, high dielectric constant MLCCs (Class 2) exhibit a characteristic capacitance change when DC voltage is applied, so caution is necessary. This guide explains the advantages and precautions to be taken when replacing electrolytic capacitors with MLCCs. Capacitors Multilayer Ceramic Chip Capacitors Solution Guides Nov. 2022 [Solution Guide] Flying Capacitors in PV Booster stages One of the well-established key requirements in solar inverters is their high efficiency. But also, their costs, size and weight are subject to continuous improvements. One approach to better fulfil all these demanding requirements simultaneously is the use of multilevel topologies. The main advantages of switching between multiple voltage levels are lower voltage stress for the semiconductors and lower ripple stress for the power chokes. This means that lower-voltage semiconductors can be used, which are typically cheaper. Lower ripple stress for the chokes makes smaller and thereby lighter and cheaper choke designs possible. The flying capacitor topology is a multilevel topology, that is an interesting choice especially for (but not limited to) the booster stage of a solar inverter. As its name implies, it needs a capacitor as a key element. This article describes and compares possible TDK solutions therefor. One of the well-established key requirements in solar inverters is their high efficiency. But also, their costs, size and weight are subject to continuous improvements. One approach to better fulfil all these demanding requirements simultaneously is the use of multilevel topologies. The main advantages of switching between multiple voltage levels are lower voltage stress for the semiconductors and lower ripple stress for the power chokes. This means that lower-voltage semiconductors can be used, which are typically cheaper. Lower ripple stress for the chokes makes smaller and thereby lighter and cheaper choke designs possible. The flying capacitor topology is a multilevel topology, that is an interesting choice especially for (but not limited to) the booster stage of a solar inverter. As its name implies, it needs a capacitor as a key element. This article describes and compares possible TDK solutions therefor. Capacitors Film Capacitors CeraLink® Capacitors Metallized Polypropylene Capacitors (MKP/MFP) Solution Guides Dec. 2021 [Solution Guide] MLCC Solutions for Power Supply Circuits (Verification of Optimal Structures for Output Capacitors) In the automotive field, CPUs and FPGAs for systems that require advanced image processing, such as onboard ADAS ECUs and autonomous ECUs, need to operate at high speed and require high drive current in conjunction with the increasing performance and functionality of systems. Also, in the ICT field, power supply configurations that support higher current required for devices that need huge amounts of power such as servers. There is a trend towards higher operating speeds and higher currents in the power supply lines of systems with increased performance and functions as described above. At the same time, power supply structures that maintain the nominal voltage within narrow tolerance ranges, which have decreased in conjunction with processor miniaturization, are also required. In the automotive field, CPUs and FPGAs for systems that require advanced image processing, such as onboard ADAS ECUs and autonomous ECUs, need to operate at high speed and require high drive current in conjunction with the increasing performance and functionality of systems. Also, in the ICT field, power supply configurations that support higher current required for devices that need huge amounts of power such as servers. There is a trend towards higher operating speeds and higher currents in the power supply lines of systems with increased performance and functions as described above. At the same time, power supply structures that maintain the nominal voltage within narrow tolerance ranges, which have decreased in conjunction with processor miniaturization, are also required. Capacitors Multilayer Ceramic Chip Capacitors Solution Guides Sep. 2021 [Solution Guide] Sensors solutions that enable advanced control of service robots Service robots are widely used in various situations such as logistics / transport, security, cleaning, housework, hobbies / entertainment and care / assistance. Since service robots are used in a wide variety of situations, it is necessary to fulfil many requirements such as smooth communication with humans (HMI), ensuring safety and responding to changes in the real time. In service robots, the role of a sensor is very important. In this article, we will take a vacuum cleaner robots as an example. Service robots are widely used in various situations such as logistics / transport, security, cleaning, housework, hobbies / entertainment and care / assistance. Since service robots are used in a wide variety of situations, it is necessary to fulfil many requirements such as smooth communication with humans (HMI), ensuring safety and responding to changes in the real time. In service robots, the role of a sensor is very important. In this article, we will take a vacuum cleaner robots as an example. Application Specific IC (ASIC) Sensors and Sensor Systems Motion / Inertial Sensors Pressure Sensors Temperature Sensors (NTC) Ultrasonic Sensors Barometric Pressure Sensors Chip NTC Thermistors (Sensor) Embedded Motor Controllers IMU (Inertial Measurement Unit) MEMS Microphones (Microphone) NTC Elements NTC Sensor Assembly / Systems Ultrasonic ToF (Time-of-Flight) Sensors Solution Guides Sep. 2021 Sensor Solutions for Thermal Management of BEVs In electric vehicles (xEVs), thermal management plays a crucial role for battery safety and longevity, inverter and motor monitoring, and comfort also. For this purpose, TDK offers a broad variety of innovative NTC and PTC based temperature sensors solutions, optimized by their design and specification for the respective applications. However, advanced Micronas Hall sensors and motor controllers also perform important tasks, for example in the high-precision control of valves. In electric vehicles (xEVs), thermal management plays a crucial role for battery safety and longevity, inverter and motor monitoring, and comfort also. For this purpose, TDK offers a broad variety of innovative NTC and PTC based temperature sensors solutions, optimized by their design and specification for the respective applications. However, advanced Micronas Hall sensors and motor controllers also perform important tasks, for example in the high-precision control of valves. Application Specific IC (ASIC) Sensors and Sensor Systems Angle Sensors Current Sensors Temperature Sensors (NTC) Temperature Sensors (PTC) Chip NTC Thermistors (Sensor) Direct Angle Sensors Embedded Motor Controllers Magnetic Current Sensors NTC Elements NTC Sensor Assembly / Systems PTC Limit Temperature Sensors (Sensor) Solution Guides Nov. 2020 [Solution Guide] Total Solutions for NFC Circuits NFC is an abbreviation of Near Field Communication; it is a type of short-range wireless communications. NFC is a function that can perform data communications and authentication when two NFC-compatible devices are brought close together, and adoption in smart phones has been growing rapidly in recent years. Increased use in peripheral devices including wearable terminals, such as smart watches, has also been observed. NFC is used in many situations including cashless payment and authentication of connections with peripheral devices, and it is expected to be used for even more diverse applications as we move towards a touchless society. This article introduces the main components used in NFC circuits: NFC antenna, magnetic sheet, LC filter inductor, single-end circuit balun, and electric double-layer capacitor (EDLC/supercapacitor). NFC is an abbreviation of Near Field Communication; it is a type of short-range wireless communications. NFC is a function that can perform data communications and authentication when two NFC-compatible devices are brought close together, and adoption in smart phones has been growing rapidly in recent years. Increased use in peripheral devices including wearable terminals, such as smart watches, has also been observed. NFC is used in many situations including cashless payment and authentication of connections with peripheral devices, and it is expected to be used for even more diverse applications as we move towards a touchless society. This article introduces the main components used in NFC circuits: NFC antenna, magnetic sheet, LC filter inductor, single-end circuit balun, and electric double-layer capacitor (EDLC/supercapacitor). Capacitors Inductors (Coils) Noise Suppressing / Magnetic Sheets RF Components Wireless Power Transfer Electric Double-Layer Capacitors (EDLC / Supercapacitors) Inductors (Coils) Wireless Power Transfer / NFC Antennas Sheets (Shield) Solution Guides Oct. 2020 [Solution Guide] Burst noise countermeasures using ESD Notch Filters and Noise Suppression Filters ESD Notch Filters Noise Suppression Filters Solution Guides Oct. 2020 [Solution Guide] Sound distortion countermeasures using ESD Notch Filters and Noise Suppression Filters EMC Components ESD Notch Filters Noise Suppression Filters Solution Guides Dec. 2019 [Solution Guide] Soft Termination Capacitors, Inductors, and Chip Beads for High-Reliability Products for Automotive Applications Automakers are incorporating more multifunctional capabilities into automobiles as they seek to make autonomous driving a reality. Electronic control units (ECUs) for advanced driver assistance systems are consuming more power, and the latest trend is toward ECU integration—installing an ECU close to the engine room or other working part. For these reasons, the number of electronic devices and components built into cars these days is on the rise, and the reliability of the electronic components used in the electronics is having a growing impact on the reliability of the vehicle overall. Automakers are incorporating more multifunctional capabilities into automobiles as they seek to make autonomous driving a reality. Electronic control units (ECUs) for advanced driver assistance systems are consuming more power, and the latest trend is toward ECU integration—installing an ECU close to the engine room or other working part. For these reasons, the number of electronic devices and components built into cars these days is on the rise, and the reliability of the electronic components used in the electronics is having a growing impact on the reliability of the vehicle overall. Capacitors EMC Components Inductors (Coils) Ceramic Capacitors EMC Components Inductors (Coils) Chip Beads Multilayer Ceramic Chip Capacitors SMD / SMT Inductors (Coils) Pagination Current page 1 Page 2 Page 3 Next page Next › Last page Last »