Development Boards, Kits
Inductors, Coils, Chokes
Potentiometers, Variable Resistors
Industry First GHz Band 0201 inch Noise Suppression Filter for Automotive
With the introduction of the BLM03EB_SH series, Murata Manufacturing Co., Ltd. has launched a 0201 inch size (0.6 x 0.3 mm) GHZ band, high impedance ferrite bead (noise suppression filter) for automotive, an industry first. This is intended mainly for use with automotive powertrain and safety applications. This product has already entered mass production.
The recent spread of electronic toll collection systems, vehicle to everything (V2X) communication technology*1, emergency communications systems (eCall)*2, Telematics (3G / 4G systems)*3, and other cutting edge technological developments have led to an influx of high frequency communication modules being installed in electronic devices for automotive.
The high frequency noise emitted from such electronic devices in automobiles may interfere with high frequency communication module antennas, disrupting communications. For example, a loss of vehicle to vehicle (V2V) *4 communications prevents information on oncoming vehicles from being received, which may result in crossing collisions and other major road accidents.
High frequency noise must be suppressed to ensure that high frequency communication module antennas are capable of picking up the necessary information being sent. There is also an increasing need to implement ferrite beads for GHz-band into electronic devices installed in automobiles. While the smallest available ferrite bead for GHz-band noise was the 0402 inch size, the introduction of the 0201 inch size BLM03EB_SH series represents a major leap forward in terms of miniaturization. Looking ahead, Murata Manufacturing plans to release products that support higher frequency and current ranges.
Introducing 0805 inch 6A ferrite beads for automotive power supplies, which have the highest impedance in the industry
Murata Manufacturing Co., Ltd. has introduced the 0805 inch (2.0mm x 1.25mm) BLM21SP series of chip ferrite beads for use in automotive powertrain safety applications.
This product has a rated current of 6A and also an impedance of 70Ω, the highest in the industry. In addition, it is expected to provide a high degree of noise immunity. By using the BLM21SP series on power lines which are liable to generate noise, they can assist in enabling these power lines to meet various noise standards such as CISPR25.
Mass production of this product commenced in March 2018.
In the automotive industry in recent years, large-scale electronic devices are being mounted on vehicles such as hybrid automobiles and electric vehicles, along with the automation of various functions. As a result, conductive noise and radiation noise is increasing, and there are greater demands for noise reduction measures.
Particularly, in the case of power lines which carry large currents, noise issues are liable to occur, and countermeasures are necessary. However, it is difficult to design high-impedance noise reduction components which can be used at the high rated currents carried by power lines.
Murata has enhanced the impedance acquisition efficiency due to the adoption of new internal electrode forming technology and optimization of structural design. As a result of this technology, whereas the BLM21PG series, which is Murata's existing power product intended for power supply use, has a rated current of 6A and an impedance of 22Ω at 100MHz, the new product has a rated current of 6A and realizes a high impedance of 70Ω at 100MHz, which is more than twice that of the previous product. Also, a comparison of the new and old products for the same impedance value reveals that the rated current of the new product is at least 1.5 times that of the old product.
From now on, Murata intends to develop a lineup that has even higher impedance values, and will also expand its range of high-temperature products.
• Supports powertrain safety in automobiles.
• Conforms to AEC-Q200.
• Is compact (2.0 x 1.25mm) and has a high maximum rated current of 6A.
• A large current, high impedance lineup (70Ω/6A, 110Ω/5A, 180Ω/4A) is available.
KEMET is First Supplier to Offer Both Class-I and Class-II MLCCs Qualified to MIL-PRF-32535
FORT LAUDERDALE, Fla., June 18, 2018 (GLOBE NEWSWIRE) -- KEMET Corporation (NYSE:KEM), a leading global supplier of electronic components, today announced that it is the first and only supplier to offer both Class-I and Class-II base metal electrode (BME) multilayer ceramic capacitors (MLCCs) qualified for defense and aerospace applications by the Defense Logistics Agency (DLA). The DLA recently accepted KEMET's X7R dielectric MIL-PRF-32535 for "M" and "T" reliability levels.
KEMET is the first and only supplier to offer both Class-I and Class-II base metal electrode (BME) multilayer ceramic capacitors (MLCCs) qualified for defense and aerospace applications by the Defense Logistics Agency (DLA). The DLA recently accepted KEMET's X7R dielectric MIL-PRF-32535 for "M" and "T" reliability levels.
MIL-PRF-32535 is the first DLA capacitor specification for defense and aerospace that capitalizes on industry-leading base metal electrode (BME) technology. In December 2017, KEMET announced DLA approval for C0G and BP Class-I dielectrics which are ideal for critical timing, tuning, pulse, AC, and transient voltage suppression applications where capacitance stability may be a concern. With the recent DLA approval of KEMET’s X7R Class-II dielectric, design engineers will now have access to ceramic capacitors that offer up to a 55-fold increase in capacitance values as compared to the offerings under traditional specifications using precious metal electrodes (PME). These capacitors are ideal for decoupling, bypass, filtering, and bulk storage for military, avionics and space applications.
MIL-PRF-32535 is also the first DLA specification to recognize a flexible termination option. KEMET's flexible termination utilizes a pliable conductive silver epoxy in the termination system. The addition of this epoxy layer inhibits the transfer of board stress to the rigid ceramic body, therefore mitigating flex cracks that can result in low insulation resistance or short circuit failures.
“KEMET has been a leader in BME ceramic capacitor development for over 20 years,” said Dr. Abhijit Gurav, KEMET Vice President of Ceramic Technology. “These new Class-I and Class-II capacitor ranges were qualified through the extremely stringent requirements of the MIL-PRF-32535 specification, and still offer significantly higher capacitance values than the MIL-PRF-123 and 55681 specifications. This enables more circuit functionality in defense and space applications while allowing significant component miniaturization and payload weight reduction.”
Analog Devices’ Industrial Inertial Measurement Units Improve Navigation and Reliability in Autonomous Machines
Analog Devices, Inc. (ADI) today announced a series of five high-performance inertial measurement units (IMUs) that address the navigation- and safety-related needs of industrial applications in several emerging markets, while also reducing their system complexity and cost. The ADIS16470, ADIS16475 and ADIS16477 IMUs deliver exceptional performance improvements in smallest size with standard surface mount assembly. The three different models are optimized to provide a range of performance, cost, and application-suitability needs. The ADIS16465 and ADIS16467 IMUs offer similar performance advantages in a more ruggedized enclosure option. Together, these product advancements bring a previously unavailable performance-for-cost ratio to unmanned aerial vehicle (UAV) applications where designers have previously struggled with costly, risky, and sub-par performance solutions from integrating consumer grade sensors, which also fell short of reliability goals. These new IMUs bring the same benefits to Autonomous Machine applications in fields such as Smart Agriculture where the demands of such rugged equipment previously forced a choice between cost-challenged, highest-grade sensors or performance-limited commercial sensors.
All of the IMUs provide six degree-of-freedom (DoF) sensing via triple-axis MEMS-based accelerometers and gyroscopes, and are focused on the demands of the Industrial "Internet of Moving Things" and its need for precise geolocation. Their performance allows systems to characterize motion accurately despite turbulence, vibration, wind, temperature, and other environmental disturbances, resulting in more-accurate navigation and guidance, and/or instrument stabilization.
Leveraging three decades of experience in inertial sensor design, Analog Devices has engineered an unparalleled combination of reliable high performance, and size/cost effectiveness. With industry leading performance, system designers are now able to rely more heavily on these high-grade sensors versus a previous need to attempt performance boosting via added test, components, calibration, or software aids. The ADIS1646x and ADIS1647x IMUs are specifically designed to reject what are otherwise significant error sources, such as ‘g’-influence, cross-axis sensitivity, and temperature and mechanical stress related drifts.
The new IMUs are supported by the EVAL-ADIS2Z, a PC-based tool for evaluation which enables basic demonstration, individual register access, and high-speed data capture, as well as the breakout boards that simplify connecting ADIS16xxx IMU products to development platforms.
STMicroelectronics’ New Motor Driver with Embedded 32-Bit MCU Simplifies Motion Control for Battery-Operated Robots and Appliances
STMicroelectronics’ STSPIN32F0A programmable motor controller contains fully integrated gate drivers for three external MOSFET half-bridges, an STM32F0 microcontroller (MCU), as well as a 3.3V DC/DC switching converter plus a 12V LDO, giving designers flexible motor-control options in a lightweight and compact 7mm x 7mm outline. The 48MHz microcontroller, with 32Kbyte on-chip Flash, can run motor control algorithms such as 6-step sensorless, field-oriented control or position-sensed control, as well as the user application.
The STSPIN32F0A has an extended operating-voltage range from 6.7V to 45V and can run from batteries as small as a pair of LiPo cells in mobile robots, gimbals, or drones. It is also ideal for power tools, portable appliances like air purifiers and small refrigerators, as well as server cooling fans and 3D printers.
Developers can take advantage of 16 programmable I/O pins and microcontroller peripherals that save CPU involvement to handle motor back-EMF or position/Hall-sensor feedback and allow precise control down to near-zero rotor speed. These include a 12-bit 9-channel ADC, and three operational amplifiers that can also be used for tasks such as current sensing through a shunt resistor.
Further MCU resources include five general-purpose timers and I2C, UART, and SPI interfaces. Users can also access the boot loader, gaining flexibility to upgrade or update firmware over the air.
The gate-driver IC can deliver up to 600mA per channel, enabling designers to choose from a wide variety of MOSFETs to control motors of various power ratings. Integrated bootstrap diodes ensure reliable startup, and built-in protection includes real-time programmable over-current protection, cross-conduction/shoot-through prevention, under-voltage lockout (UVLO), and over-temperature protection.
The STSPIN32F0A also integrates a 3.3V DC/DC converter to supply the microcontroller and a 12V LDO for the gate-driving circuitry, which further simplify system design and streamline the bill of materials.
The MCU-powered motor driver connects with ST’s extensive STM32 development ecosystem that includes STM32Cube software packages, STM32 Nucleo hardware, and approved third-party resources in the STM32 Partner Program.
The STSPIN32F0A is available immediately, in 7mm x 7mm QFN, priced from $1.605 for orders of 1000 pieces.
Our New WebSite online!
Our New WebSite online!
Our New WebSite online!
Terms and Conditions
MASSTOCK ELECTRONICS LIMITED
Copyright © 2020 MASSTOCK ELECTRONICS LIMITED. All Rights Reserved.
Email to us: