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BUK9J0R9-40H – A Super Junction MOSFET with Low On-State Resistance

A MOSFET known as a metal-oxide-semiconductor-field-effect transistor is a special type of field-effect transistor which has an insulated gate where in this case the voltage determines the conductivity of the device. Just like conventional transistors, they are also used for switching and amplifying signals.

MOSFETs are now more commonly used in digital and analog circuits than BJTs (bipolar junction transistors) mostly because of their power efficiency. MOSFET’s are power efficient because the output is controlled by an input voltage instead of an input current. Electronics today are gearing towards low-power usage and MOSFETs seems to offer that over the BJTs.

There are several types of MOSFETS, and Super-Junction MOSFETs is a type of power transistor that is becoming mainstream lately. They are well-suited for high-speed operation at lower to immediate power levels as compared to IGBTs or the SiC-MOSFETs as shown in the graph below.

After the first super-junction MOSFETs was introduced commercially by Siemens in Germany (1999), super-junction MOSFETs in recent years are becoming the leading representative of MOSFETs for high voltages.

Nexperia, a global leader in Discrete, Logic and MOSFETs devices have introduced an automotive-focused super-junction MOSFETs in an electrically and thermally efficient LFPAK56E package called the BUK9J0R9-40H.

The Nexperia LFPAK56 package provides a genuine alternative to DPAK and D2PAK solutions. It will allow a considerable amount of space to be saved as compared to traditional D2PAK and DPAK solutions and offers designers flexibility and reliability without compromising thermal performance.

The BUK9J0R9-40H features low RDS (on) of just 0.9 mΩ and can handle a maximum load current of 220 A at 40 V for applications switching up to 1.2 kW power, providing a cost and power efficient solution. The low RDS (on) and maximum current rating of 220 A of this newly launched MOSFETs seems to be the highest ever achieved in a power-S08 footprint device for use in the automotive sector.

The BUK9J0R9-40H is simply an N-channel 40 V, 0.9 mΩ logic level MOSFET in an LFPAK56E package. Just like every other super-junction MOSFET, the MOSFETs can also be operated in parallel for higher current applications.

Below are some of the super junction MOSFETs featuers:

  • Fully automotive qualified to AEC-Q101:
    • 175 °C rating suitable for thermally demanding environments
  • Trench 9 Superjunction technology:
    • Reduced cell pitch enables enhanced power density and efficiency with lower RDSon in the same footprint
    • Improved SOA and avalanche capability compared to standard TrenchMOS
    • Tight VGS(th) limits allow easy paralleling of MOSFETs
  • LFPAK Gull Wing leads:
    • High Board Level Reliability absorbing mechanical stress during thermal cycling, unlike traditional QFN packages
    • Visual (AOI) soldering inspection, no need for expensive x-ray equipment
    • Easy solder wetting for good mechanical solder joint
  • LFPAK copper clip technology:
    • Improved reliability, with reduced Rth and RDSon
    • Increases maximum current capability and improved current spreading

The BUK9J0R9-40H will easily find applications in 12V automotive systems, high-performance power switching circuitry, transmission control system, inductive load controls like pumps, motors, and others, reverse polarity protection and DC/DC switching converters.

More information about the super junction MOSFETs can be found on the product page, and the product datasheet can be download here.

Simplify your DC/DC #design with @texasinstruments via @oemsecrets

Simplify your DC/DC design with LMZM33603

The LMZM33603 36V, 3A power module offers stellar EMI performance in a compact QFN package.
Order yours today and enjoy the peace of mind that comes with reliable performance, small solution size, and reduced design cycle time.

Power your processor with the industry’s first 5+3- phase PMBus controller


Powering high-current processors requires flexible solutions, and the TPS53681 PMBus multiphase PWM buck controller delivers with dual output 6+2/5+3 phase configuration. This multiphase driverless controller is paired with TI smart power stages for accurate current sensing and excellent thermal performance.

The next generation of TVS surge diodes is here


With a 94% smaller footprint, lower leakage and flat-clamping technology, TI’s Flat-Clamp portfolio provides more robust protection than traditional TVS surge diodes.

TI’s new TVS3300 family of Flat-Clamps gives designers precise control over clamping voltage vs surge current, even across temperature. It’s time to re-evaluate your TVS protection. Learn more in the whitepaper.

NEW: Industry’s smallest 8A single-rail module


Powering your 4A to 8A digital load just got smaller, easier, and more reliable. At 7.5mm x 7.5mm, the TPSM84824 17V, 8A step-down power module provides the smallest footprint in its class. And with TurboTrans™ technology, it delivers fast transient response with the industry’s lowest overshoot.

TPSM84824 comes with minimal external components, and pin- and footprint-compatible 4A and 6A alternatives.

Introducing TI’s first PMBus power module


Presenting an easier way to power your high-current digital core: TPSM846C23 is a PMBus-compliant DC/DC power module with an integrated inductor and FETs that crams 35A of output current capability into 240mm2. Two of these modules can easily be paralleled to deliver up to 70A of output current to the point-of-load from a nominal 12V or 5V input voltage.

Save space in your automotive design with TI’s synchronous buck-boost DC-DC converter


The TPS5516x-Q1 family provides a cost-effective single chip solution for a regulated output voltage between 5V and 12V, with up to 1A load current depending on voltage requirements. The buck-boost overlap control ensures automatic transition between step-down and step-up mode with optimal efficiency.
These buck/boosts provide a smaller solution size and higher efficiency than a discrete boost-buck converter solution.

Highest efficiency and lowest standby power without the audible noise


Want the lowest standby power? Need to simplify your system design for your AC/DC applications? Get to know our newest power factor correction (PFC) controller, UCC28056. With zero cross detection scheme (without auxiliary winding) and advanced burst mode, UCC28056 will help you design your next offline system.

6A three-level buck battery charger enables faster charge times for portable electronics


TI’s BQ25910, the industry’s first integrated 6A three-level buck battery charger, is a game-changer for how we will charge our smartphones, tablets, electronic point of sale (EPOS) and other portable electronics in the future. New power conversion technology reduces battery charging time up to 50% and allows for up to 5% efficiency improvements compared to conventional architectures.

Get great EMI and thermal performance the easy way


Any engineers out there looking for high-efficiency DC/DC conversion without the headaches that typically come with EMI mitigation and thermal management? Everyone? Ok, good.

Introducing the LM73605/6 and LM76002/3 families of wide VINsynchronous buck converters. Designed with high integration, thoughtful pin-out, and best-in-class thermal coefficients, LM73605/6 and LM76002/3 give you amazing performance without all of the headaches.

The world’s smallest 36V, 1A DC/DC solution


With a 27mm2 package size and only two external components, the LMZM23600/ 01 power module can convert a nominal 24V input to 3.3V in a solution size that is 45% smaller than competition. With the simplicity of power modules paired with the magic of WEBENCH®, you can bring the world’s tiniest 36V, 1A buck design to market with blazing speed.

To find the best price for Texas Instruments search OEMsecrets

Upgrade your Industrial Design with Broadcom Parts

Optocouplers – Industrial Fiber – Encoders

New Packages/ More Features/ Better Performance

Get the benefit of enhanced system design through the newest features at the same or lower price with a longer-term assurance of supply.

ACPL-352JThis 5A gate drive optocoupler is a device with integrated fail-safe IGBT and MOSFET diagnostics, protection and fault reporting.

ACPL-C799 is a 1-bit, second-order sigma-delta (Σ-Δ) modular that converts an analog input into a high-speed data stream with galvanic isolation based on optical coupling technology.

AFBR-57E6APZ-HTLow Power 125MBd SFP Transceiver for Fast Ethernet & FDDI (-40°C to +95°C Temperature).

AFBR-59E4APZ-HTThe AFBR-59E4APZ-HT is a new power-saving Small Form Factor transceiver that gives the system designer a product to implement a range of solutions for multimode fiber Fast Ethernet.

AEDR-8700 SeriesThe Broadcom AEDR-871x is a 3-channel reflective optical encoder device providing dual channel quadrature digital outputs and an index channel digital output.

EBV & Broadcom @ PCIM 2018

TE Connectivity releases over 25,000 new digital models in collaboration with SnapEDA

Engineers can now easily design-in a wide variety of components with free symbols & footprints

SCHAFFHAUSEN, Switzerland and SAN FRANCISCO, CA (February 14, 2018) — TE Connectivity (TE), a world leader in connectivity and sensors, and SnapEDA, the Internet’s first parts library for circuit board design, are collaborating to make more than 25,000 new digital models available to electronics designers, helping them bring their products to market faster.

Traditionally, designers have spent days creating models for each component in their designs, a tedious and time-consuming process. Some components, such as connectors, are particularly challenging to create models for due to their non-standard shapes, pitches, pads, and cutouts. (more…)

MEMS loudspeaker with extremely small dimensions along with low power consumption and good sound quality.

World’s Smallest MEMS Micro-Loudspeaker Saves 80 Percent More Energy

STMicroelectronics along with the audio company USound has created the first MEMS (Micro ElectroMechnical Systems) micro-loudspeaker based on semiconductors. It’s the smallest loudspeaker in the world, but it can produce a powerful noise. MEMS makes it possible. The speakers are being presented at CES 2018 in Las Vegas.

MEMS loudspeaker with extremely small dimensions along with low power consumption and good sound quality.
MEMS loudspeaker with extremely small dimensions along with low power consumption and good sound quality.

In the audio world, the electromechanical capabilities of MEMS have only been used to build tiny microphones. Speakers, on the other hand, still rely on traditional dynamic design principles. It has taken almost 150 years for semiconductor technology to replace Werner von Siemens’ superior loudspeaker principle in 1877 with something newer. The Coil-magnet combinations are still being used in smartphones, wearables, and headphones to produce sound.

We can understand the working principle of MEMS speaker very briefly here. At first, thin piezoelectric layers are applied to a semiconductor(Silicon). An electric signal is sent to the piezoelectric layer allowing the diaphragm connected to it vibrate. Eventually, the mechanical principle resembles that of a normal Coil-magnet loudspeaker. The sound is created by the vibration in the diaphragm. However, the magnet and coil are replaced by a piezo element. By applying this new technique, USound’s MEMS version appears to offer significant advantages when it comes to distortion and THD or Total Harmonic Distortion.

The MEMS loudspeaker developed by USound has dimensions of just 5 x 7 x 2 mm and has a frequency range of 2 to 15 kHz. It takes up half the space of its predecessors and needs only 20 percent of the energy that they do. The above figures are convincing enough for the speaker to be a perfect fit for mobile applications such as wearables and smartphones.

According to the manufacturer, these tiny speakers are the thinnest in the world. It has less than half the weight of a conventional Coil-magnet speaker. Most suitable applications include in many portable devices such as headphones, over-the-ear earphones, and more. With the help of this new speakers, augmented reality headsets or virtual reality systems can be more compact and comfortable. Innovative features also enable 3D sound production with striking accuracy. Its high efficiency reduces energy consumption and can easily be operated with much smaller and lightweight batteries. Higher efficiency results in less heat generated making systems operate cooler than ever before.

What are Aluminum Polymer Capacitors?

Choosing the right capacitors can make a big difference in the reliability, longevity, cost, and board size of your design. But most engineers don’t know which capacitors to choose for which applications. In this episode of Chalk Talk, Amelia Dalton chats with James Lewis from KEMET about the fascinating and surprising world of capacitor technology.

What are Aluminum Polymer Capacitors? – [Link]

The top 10 crystal oscillators from SnapEDA

Elizabeth Bustamante @ snapeda.com lists the top 10 crystal oscillators used today. She writes:

A crystal oscillator is an electronic circuit that generates an electrical signal with a very precise frequency. To achieve this, it uses the mechanical resonance of a vibrating crystal made of piezoelectric material.

The first crystal oscillator was invented in the late 1920s by Walter Guyton Cady who was interested in submarine detection with ultrasonic waves. He suggested that a piezoelectric resonator could be used as a frequency reference, a coupling device between circuits, or a filter.

The top 10 crystal oscillators from SnapEDA – [Link]

Module provides BLE connectivity between tablets and cloud

by Alice Matthews@ electronicspecifier.com discuss about MBN52832 a BLE module:

A Nordic-based BLE module has been released by Murata. The latest MBN52832 device consists of Nordic Semiconductor’s nRF52832 IC, a 32MHz crystal for timing, and an on-board antenna. Additionally, it contains pins for an off-board omni-directional antenna and a NFC antenna. The module provides a Serial Port Interface (SPI) and UART interface to Nordic’s nRF52832 ARM Cortex M4 processor.

Module provides BLE connectivity between tablets and cloud – [Link]

Solid-state battery – a hybrid of battery and capacitor

With CeraCharge, TDK has developed the world’s first solid-state battery in SMD technology. In contrast to most common battery technologies, CeraCharge works without any liquid electrolytes. by Christoph Hammerschmidt @ eenewseurope.com:

Similar to ceramic capacitors, the CeraCharge is based on multilayer technology and combines a high energy density in the smallest possible space with process reliability in the manufacture of multilayer components. The use of a ceramic solid as electrolyte also excludes the risk of fire, explosion or leakage of electrolyte fluid.

In the compact size EIA 1812, the battery, which can be rechargeable several dozen to 1000 times, offers a capacity of 100 µAh at a nominal voltage of 1.4 V depending on the requirements. In the short term, currents in the range of a few mA can also be drawn.

Characteristics and applications of fast recovery epitaxial diodes

Read about epitaxial ultrafast diodes in thia app note from IXYS. (PDF)

During the last 10 years, power supply topology has undergone a basic change. Power supplies of all kinds are now constructed so that heavy and bulky 50/60 Hz mains transformers are no longer necessary. These transformers represented the major part of volume and weight of a traditional power supply.

Characteristics and applications of fast recovery epitaxial diodes – [Link]