Power ICs
Microchip expands MOSFET driver family
Microchip announced the expansion of its family of MOSFET drivers with the new MCP14E6/7/8 and MCP14E9/10/11 low-side MOSFET drivers. The new drivers complement Microchip's existing 4.5A MCP14E3/4/5 low-side drivers by offering peak output currents of 2A and 3A respectively. This low-cost family has a wide operating voltage range of 4.5V to 18V and features enable input pins to provide a shutdown capability for conserving power.
MOSFET Gate Driver Operates over a -55°C to 125°C Junction Temperature Range
Linear Technology announced a new high reliability (MP-grade) version of the LTC4441, a 6A N-channel MOSFET gate driver that operates over a -55°C to125°C operating junction temperature range. This high power driver is designed to increase the output power and efficiency of a DC/DC controller, enabling it to drive high power N-channel MOSFETs or multiple MOSFETs in parallel. Its gate drive voltage is adjustable from 5V to 8V, allowing designers to choose either standard threshold or logic level MOSFETs. With a wide input supply range from 5V to 25V, the LTC4441 provides a simplified solution for increasing the output power capability of power supplies in telecom, industrial systems and motor control applications.
IR - Dual Power MOSFETs in Single Compact Hermetic LCC-6 Surface Mount Package For Lightweight Space Applications
International Rectifier has introduced the company's first family of radiation hardened (RAD-Hard) dual power MOSFETs in a compact hermetic LCC-6 surface mount package for low power lightweight space applications requiring a small footprint such as satellite payload power systems.
40 V and 60 V Vishay Siliconix N-Channel TrenchFET Power MOSFETs Feature Industry-Low On-Resistance and FOMs in PowerPAK® SO-8 Package
Vishay introduced new 40 V and 60 V n-channel TrenchFET® power MOSFETs with the industry's lowest on-resistance and on-resistance times gate charge figures of merit (FOM) for devices with these voltage ratings in the SO-8 or PowerPAK® SO-8 packages.
CISSOID unveils a High Voltage, 225°C Silicon Carbide (SiC) Power Switch with Logic-level Gate Control
CISSOID, the leader in high-temperature semiconductor solutions, unveils JUPITER, the first high-temperature silicon carbide high-voltage switch with seamless gate control through a simple logic-level 0/5V.
ROHM Silicon Carbide Schottky Diodes Push the Performance Envelope
ROHM Semiconductor announces the availability of the SCS1xxAGC series of high-performance silicon carbide (SiC) Schottky barrier diodes (SBD).
DFN3020 packaged MOSFETs take 70% less space
Diodes has introduced the first MOSFETs in a new range of space-saving DFN3020 packaged discrete products. Three dual MOSFET combinations have been released, comprising 20V and 30V N-channel and 30V complementary devices. While offering a comparable electrical performance as much larger SOT23 packaged parts, these dual DFN3020 MOSFETs will replace two separate SOT23 packaged MOSFETs, resulting in a board space saving of 70%.
Protection interface from Diodes Incorporated safeguards power management ICs
The AP9050 from Diodes Incorporated is a dedicated protection interface designed to protect the latest generation of power management ICs (PMIC) against overvoltages.
NXP Broadcast Power Amplifier Achieves Breakthrough DVB-T Efficiency
At CCBN2011 today, NXP Semiconductors N.V. (NASDAQ: NXPI) announced new additions to its Ultra High Frequency (UHF) and FM broadcast product portfolio, including the BLF888B transistor. Configured as a Doherty power amplifier, the BLF888B achieves breakthrough 50 percent DVB-T efficiency, offering significant reductions in the power consumption of UHF broadcast systems.
Complete DC/DC µModule Regulator Delivers Dual 8A Outputs from up to 26.5VIN
Linear Technology has introduced the LTM4628, µModule regulator containing two step-down 8A DC/DC converter circuits with the inductors, MOSFETs and other necessary components in a 15mm x 15mm x 4.32mm LGA package.
IR’s Family of Power Factor Correction ICs Offer Enhanced System Protection and Safety While Reducing Design Size and Overall System Cost
International Rectifier, has introduced the IR115x family of µPFC™ power factor correction (PFC) ICs for a wide variety of AC-DC applications including lighting, LCD/PDP TV and game console Switch Mode Power Supplies (SMPS), fans, air conditioners, and uninterruptible power supplies (UPS) ranging from 300 W to 8 kW.
ON Semiconductor introduces wide range of new LDO Linear Voltage Regulators including ultra-small XDFN packaged devices
ON Semiconductor has introduced three new families of wide input voltage, low dropout (LDO) Linear Voltage Regulators. The company's strong capability in this area has been further strengthened by the addition of new devices to its popular NCP58x portfolio.
Low power current monitors from Diodes Incorporated provide accurate current measurement
With an operating current of only 3µA, the ZXCT11xx series of low power high-side current monitors from Diodes Incorporated provides accurate, high efficiency measurement of load current in motor drive, overload protection and safety applications.
Dual Ideal Diode & Hot Swap Controllers Save Power & Board Area
Linear Technology Corporation introduces the LTC4227, a compact, dual ideal diode with Hot Swap™ controller that provides PowerPath™ and inrush current control for redundant supplies operating from 2.9V to 18V. The LTC4227 regulates the forward voltage drop across two external N-channel MOSFETs to ensure smooth current transfer between supplies in diode-OR applications.
TI delivers industry's first Class H VDSL line driver for high-speed networking equipment
Texas Instruments Incorporated today introduced the industry's first Class H VDSL line driver in full production. Compared to Class AB alternatives, the gated, dual-port THS6226 consumes 47 percent less power, a critical requirement for the high-density VDSL applications used in high-speed broadband networks.
2 Watt DC/DC converters with 3000 VDC isolation
MSC now offers the 27D-3KV series of 2 Watt DC/DC converter modules from YDS. Key features of these DC/DC converter modules are 3000 VDC input to output isolation, continuous short circuit protection, low ripple and noise, remote on/off and an extended temperature range from -40°C to +85°C with natural convection cooling.
TI introduces NexFET™ Power Block devices in a 3 mm x 3 mm package
Texas Instruments Incorporated introduced a new NexFET Power Block device in a space-saving 3-mm x 3-mm SON package. The new CSD86330Q3D Power Block package achieves greater than 90 percent efficiency at 15 A in half the area of competitive solutions that require two discrete power MOSFETs in 3-mm x 3-mm QFN packages.
Dual Output Synchronous Step-Down DC/DC Controller with Excellent Channel-to-Channel Current Sharing Boosting Power & Reliability
Linear Technology Corporation introduces the LTC3869/-2, a dual output high efficiency (up to 95%) synchronous step-down DC/DC controller with well balanced current sharing between channels when paralleled.
IR’s 60 Amp Rated IR3550 PowIRstage® Achieves Highest Current in Smallest Form Factor with Best-in-Class Efficiency
International Rectifier has introduced the IR3550, the first in a family of integrated PowIRstage® products that delivers higher efficiency and better thermal performance than competing solutions along with smallest footprint while simplifying the DC-DC converter design for next-generation high performance servers, storage and communication systems.
Toshiba launches highly integrated CCM and CRM power factor correction ICs
Toshiba Electronics Europe has launched two highly integrated control ICs that significantly simplify implementation of the power factor correction (PFC) needed to reduce harmonic distortion of supply currents in AC-powered applications.
NXP Builds a Smarter Way to Energy Efficiency With World's Lowest Standby Power
NXP Semiconductors N.V. today announced a new generation of GreenChip power solutions which feature the lowest standby capability in the industry, reaching levels below 10mW. The NXP GreenChip power ICs, also known as Switch Mode Power Supply controller ICs, are designed for adapters for mobile devices such as cell phone chargers, tablets and notebooks, as well as major home appliances or white goods.
Vishay Intertechnology Releases 45 V TMBS® Rectifiers in Power TO-220AB, ITO-220AB, TO-262AA, and TO-263AB Packages
Vishay Intertechnology, Inc. today announced a major portfolio expansion for its TMBS rectifiers utilizing Trench MOS Barrier Schottky technology. Released today were 20 new 45 V devices in four power package types and featuring a wide range of current ratings from 10 A to 60 A.
ON Semiconductor expands energy efficient solutions for home electronics with new series of high performance PWM controllers
ON Semiconductor has expanded its portfolio of ac-dc power solutions for home electronics with the introduction of the NCP1234 and NCP1236 family of fixed frequency pulse width modulation (PWM) current mode controllers. These solutions are targeted at ac-dc adapter applications for laptop/notebook computers, LCD displays, printers and household consumer electronics.
Texas Instruments 15-A and 25-A SWIFT step-down regulators deliver highest power density, efficiency in smallest package
Texas Instruments Incorporated today introduced the industry's smallest, most efficient step-down regulators with integrated FETs to support up to 25 A for telecommunications, networking and other applications.
78M6613: Complete energy-measurement SoC provides more management and control of AC/DC power supplies
Maxim Integrated Products announces the launch of a new Teridian/Maxim energy-measurement system on chip (SoC), the 78M6613. The 78M6613 is the industry's first SoC energy-measurement solution for AC/DC power supplies that brings a higher level of management and control to servers and other equipment in data centers.
National Semiconductor Introduces Industry’s First Full-bridge PWM Controllers with Integrated MOSFET Gate Drivers
National Semiconductor Corp. today introduced the industry's first full-bridge pulse width modulation (PWM) controllers to integrate all four primary-side bridge MOSFET gate drivers. The LM5045 and LM5046 are well-suited for delivering higher efficiency and higher power density in quarter-brick and eighth-brick power modules used in a variety of high input voltage communications infrastructure applications.
Exar Launches XRP7724; the Next Generation PowerXR (tm) Programmable Power Platform
Exar Corporation added a significant new controller to its PowerXR family of programmable power system ICs. The XRP7724 is a highly integrated programmable power controller with the industry's most advanced design capabilities, robust performance and the most flexible design environment in the industry. With expanded voltage and current ranges, SMBus interface and independently controlled channel frequencies, the XRP7724 is flexible enough to handle the most demanding applications spanning mobile to industrial to high-performance computing. Our patented Digital Pulse Frequency Modulation (DPFM) technology lowers standby current enabling system designers to meet strict green power requirements.
WCDMA Power Amplifiers for PC Data Communication in 3G and 4G Cellular Networks
Mitsubishi Electric introduces five new gallium arsenide (GaAs) power amplifiers which are mainly intended for use in PC data communication terminals for UMTS and LTE cellular networks at frequencies between 800 and 1980MHz.
IR Introduces iP1837 and iP1827 Compact and Flexible Single Input Voltage DC-DC Regulators for High Current Applications Requiring High Efficiency and Density
International Rectifier has launched the iP1837 and iP1827 iPowIR® voltage regulators for point-of-load (POL) applications including servers, netcom, data storage and telecom equipment requiring high current.
Vishay Siliconix Releases 30 V N-Channel and 20 V P-Channel TrenchFET Power MOSFETs in Compact Thin PowerPAK SC-70 Package With Ultra-Slim 0.6 mm Profile
Vishay Intertechnology Inc today introduced new 30 V n-channel and 20 V p-channel TrenchFET power MOSFETs in the thermally enhanced Thin PowerPAK SC-70 package with an ultra-low 0.6 mm profile. The new SiA444DJT features the industry's lowest profile for an n-channel MOSFET in the 2 mm by 2 mm footprint area, while the SiA429DJT offers the industry's lowest on-resistance for a p-channel device with a sub-0.8 mm profile.
STMicroelectronics Boosts Bipolar Power Transistor Current Capability by 50 Percent
STMicroelectronics has introduced the first member in a new family of high-performance bipolar power transistors. The new transistors offer an outstanding combination of high current capability, collector-emitter blocking voltage and ultra-low collector-emitter saturation voltage, making them ideal for use in LED drives, motor and relay drives and DC-DC converters.
36V with 60V Transient Protection, Dual Tracking 3.5A(IOUT), 2.25MHz Step-Down DC/DC Converter
Linear Technology has announced the LT3692, a monolithic, dual output step-down switching regulator that can deliver up to 3.5A of continuous output current from each channel. It operates from a VINrange of 3V to 36V with transient protection to 60V, making it ideal for load dump and cold-crank conditions found in automotive applications. Independent input, shutdown, feedback, soft-start, current limit and comparator pins for each channel simplify complex power supply tracking/sequencing requirements. The LT3692's switching frequency is user programmable from 250kHz to 2.25MHz, enabling the designer to optimize efficiency while avoiding critical noise-sensitive frequency bands.
Maxim Enters the Digital Power Market with Patented InTune™ DC-DC Control Technology
Maxim Integrated Products announces its entry into the fast-growing digital power market with its patented InTune™ brand digital power technology it is based on "state-space" or "model-predictive" control rather than proportional-integral-derivative (PID) control used by competitors. Maxim's InTune™ digital power technology performs an automatic compensation routine that is based on measured parameters, which enables the construction of an internal mathematical model of the power supply including the external components. The result is a switching power supply that achieves the highest possible dynamic performance while guaranteeing stability. Furthermore, this information enables several proprietary algorithms that optimize efficiency across a wide range of operating conditions. Maxim's InTune™ digital power technology requires up to 5x lower bias current than competing devices, further improving overall efficiency for applications such as networking, telecom, and servers.
High-efficiency, high power SiC JFETs now shipped in commercial quantities by SemiSouth
SemiSouth Laboratories Inc has announced that it is now shipping its latest range of vertical trench JFETs – including the world's first normally-off family of devices to handle up to 50kW – in commercial volume quantities. The company is rapidly expanding production capacity at its state-of-the-art SiC wafer fabrication facility in Starkville, MS, (USA). A completely independent, vertically integrated SiC manufacturer with the most advanced SiC epitaxial and vertical trench process technology in the world, SemiSouth utilizes a proprietary and patented self-aligned JFET chip design enabling up to ten times smaller die size when compared to silicon super-junction MOSFETs or the latest trench IGBTs. The company also holds the record for the lowest 1200V power transistor specific on-resistance - under 2.5mΩ/cm˛.
100 V Vishay Siliconix N-Channel TrenchFET Power MOSFETs
Vishay released two new 100 V n-channel TrenchFET power MOSFETs with on-resistance ratings down to 4.5 V VGS in SO-8 and PowerPAK® SO-8 packages. Utilizing Vishay's new ThunderFET® technology, the SiR870DP and Si4190DY offer the lowest values of on-resistance in the industry for 100 V MOSFETs with 4.5 V ratings. In addition, the product of on-resistance and gate charge — a key figure of merit (FOM) for MOSFETs in DC/DC converter applications — is also best in its class.
High Voltage Isolated Monolithic Flyback Regulator Simplifies Design & Eliminates Optocoupler
Linear Technology announced the LT3512, a high voltage isolated monolithic flyback regulator that significantly simplifies the design of an isolated DC/DC converter. No optocoupler, third winding or signal transformer is required for feedback since the output voltage is sensed from the primary-side flyback signal. The LT3512 operates over a 4.5V to 100V input voltage range, has a 420mA, 150V power switch and delivers up to 4.5 watts of output power, making it well suited for a wide variety of telecom, datacom, automotive, industrial and medical applications.
IR Introduces Scalable Easy-to-Use, Versatile SupIRBuck Family for Energy-Efficient Computing and Consumer Applications
International Rectifier has expanded its SupIRBuck family of integrated point-of-load (POL) voltage regulators. The new IR347x and IR386x devices for energy-efficient computing and consumer applications feature hysteretic constant on-time (COT) modulators with adaptive dead-time control to achieve superior light load and full load efficiency.
TI power development kits for precision analog get the noise out
Texas Instruments introduced two power management development kits, which help designers generate the cleanest possible positive and negative voltage rails to power today's analog circuits. The new TPS54060 and TPS7A30/49 development kits remove switching noise and increase the performance of data converters, operational amplifiers, clocks and other signal chain devices.
Intersil - USB Port Power Supply Controllers Provide Precise, Adjustable, Over-Current Protection
Intersil introduced a new family of power controller devices designed to meet the power supply requirements of industry-standard USB devices. The ISL6185/6 provide port power for products based on the USB 2.0 and 3.0 interface standards, offering designers several current limit level options, all with an accuracy 3x better than competitive solutions. This results in more precise protection and increased design flexibility for today's USB power designs. In addition, the ISL6185/6 come in industry standard packages for easy, drop-in replacement as well as a new, smaller package for saving even more board space.
Fairchild - Synchronous Rectification Controller Compatible to Flyback and Forward Topologies; Multiple Operating Modes
In order to meet increased power efficiency demands and regulatory standards for desktop PCs, All-in-One (AIO) PCs and notebook adaptors, designers need secondary-side synchronous rectification (SR) controllers that can increase power efficiency while integrating more functions.
