Analog Devices, Inc.    Norwood, MA 02062-9106
Apr 24, 2012 Intended for high-efficiency AC/DC and isolated DC/DC power supply systems, ADP1046 has 7 PWM logic outputs that can be programmed using GUI with I²C interface. Adaptive dead-time control increases efficiency across entire load range, while current share and OR-ing control accommodate use in parallel and redundant systems. Other features include voltage feed-forward for accelerated line transient response as well as dedicated loop filters for soft start, light load, and normal load.

Texas Instruments, Inc., Semiconductors    Dallas, TX 75243
Apr 11, 2012 Dual output power supply, TPS43330-Q1 series, ensures stable and uninterrupted output voltages, even when input voltage drops significantly below output voltage levels such as with instances involving car's start/stop function. Input range of 2-40 V and transients up to 60 V ensure continued operation, while spread spectrum frequency modulation reduces conducted EMI. Along with multiple voltage rails and voltage supervisors, series integrates dedicated high-side FET driver.

STMicroelectronics    Lexington, MA 02421
Feb 17, 2012 Producing brightness equivalent to outdoor security floodlight, Model STCF04 offers 8 user-selectable levels for flash, 12 levels for torch, and light-sensor input. Device incorporates flash and torch safety timers, temperature sensing, and short circuit protection features. Combining supercapacitor, discrete high-current MOSFET switch, and high-power LEDs in 3 x 3 mm TFBGA package, IC is suited for emergency high-intensity flashing lights as well as camera and cameraphone applications.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Apr 29, 2011 Supplied in 3 x 3 mm QFN package, TPS24720 protects server and telecom equipment from over-current, over-voltage, and short circuit events. IC offers programmable FET safe operating area (SOA) protection, minimizes in-rush current, and protects load and FET from transients. While programmable current limiting allows control of external N-channel MOSFET and promotes accurate current monitoring, analog current monitor can provide real-time data to MCUs and power supply sequencer.

ON Semiconductor, LLC    Phoenix, AZ 85008
Mar 10, 2011 Housed in SOIC-7 package, Models NCP1234 and NCP1236 allow offline power supplies to be designed into systems. Units integrate over-power and ramp compensation without increasing power dissipation or adding external components. Dynamic Self-Supply technology enables direct connection to line voltage, eliminating need for startup resistors. Available in 2 frequency options of 65 or 100 kHz, ICs are suited for laptop/notebook computers, LCD displays, printers, and consumer electronics.

Exar Corp.    Fremont, CA 94538
Mar 10, 2011 PowerXR power system ICs have input voltage range of 4.75-25 V and output range of 0.6-5.1 V. Integrated LDO provides standby power, while gate drivers for switching outputs, and up to 6 GPIO pins, are also included. Digital Pulse Frequency Modulation lowers standby current for creating designs that meet green power requirements. Circuits are controlled using PowerArchitect(TM) design tool, which lets engineers modify voltage, current, GPIO, or other parameters.

National Semiconductor Corp.    Santa Clara, CA 95051-0695
Mar 10, 2011 PowerWise® LM5045 and LM5046, which integrate all 4 primary-side bridge MOSFET gate drivers, are suited for quarter- and eighth-brick power modules used in high-input voltage communications infrastructure applications. Model LM5045 has all features needed to implement full-bridge topology power converter using current or voltage mode control, while LM5046 has all features necessary to implement phase-shifted full-bridge topology for applications requiring zero-voltage switching.

Exar Corp.    Fremont, CA 94538
Feb 10, 2011 Available in 18 V, XRP6124 version and 30 V, XRP6124HV model, non-synchronous constant on-time step-down controllers for up to 5 A point-of-loads are optimized for 12 and 24 V input voltage rails. They operate at quasi constant switching frequency of up to 1 MHz and offer adjustable output voltages as low as 1.2 V. Compact units require no external compensation circuitry and have dedicated enable function and built-in soft start, as well as output short circuit protection.

Analog Modules, Inc.    Longwood, FL 32750
Jan 31, 2011 Model 823B Pockels Cell/Shutter Driver utilizes solid-state MOSFET technology to provide trigger noise immunity and smooth output waveform. Amplitude is continuously variable up to 3.2 kV by adjusting internal high voltage power supply with risetime of 30 nsec typical at full output. Output is push-pull, which effectively cancels EMI of output pulse. Applications of Model 823B include driving E-O switches for Q-switching solid-state lasers, high voltage pulser, and E-O Shutter.

3DFS Power Solutions    Pittsboro, NC 27312
Jan 14, 2011 Operating on real-time basis, 3DFS(TM) Power Controllers not only correct less than ideal power factors, but also remove all noise and transient disturbances in power supply. Units deliver power with THD under 0.1% and efficiency in excess of 98% design target. In addition to providing audit trails of power savings for federal and state energy credit programs, controllers can be networked to accommodate smart grid functions.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Nov 18, 2010 Model TPS92210 single-stage LED lighting pulse width modulation controller regulates LED current and is suited for general lighting applications. Flexible operation modes include peak primary current; constant on-time, with single-stage power factor correction; and frequency modulation. Unit also includes overvoltage protection without optocouplers, thermal shutdown, and overcurrent safety shutdown as well as programmable fault response, full shutdown, and shutdown restart.

Allegro MicroSystems Inc.    Worcester, MA 01615
Sep 29, 2010 Model SSC2101S dual-phase DCM interleaved PFC controller IC includes 2 boost regulators operating 180° out of phase in Discontinuous Conduction Mode (DCM), enabling all switching to be done at zero current. Featuring 8-pin package, IC incorporates feedback open loop detection, overvoltage protection, and overcurrent protection. It is designed for active PFC converters in telecom, server, home appliance, and industrial markets.

Schweitzer Engineering Laboratories Inc.    Pullman, WA 99163
Sep 16, 2010 Providing per-phase control and harmonic inhibitor logic, 3-Phase Model SEL-734B helps optimize power quality for smart grid projects. Remote communications and control over DNP3 make advanced volt/VAR control possible. Optional enclosure provides weather-tight protection and space to mount network radios, power supplies, and encrypting transceivers. With optional Ethernet communications, DNP3 protocol, and digital or analog I/O, system can be integrated with new and existing capacitor banks.

Tyco Thermal Controls    Menlo Park, CA 94025
Sep 16, 2010 DigiTrace NGC-30 Heat-Trace Control and Monitoring System features Power Line Carrier Interface (PLI) Technology that enables temperature information to be transmitted through heat-tracing cable and power distribution wiring. PLI Technology utilizes electric heat-tracing cable as data cable, eliminating need to install additional RTD wiring to collect pipe temperature or electrical continuity data. Touchscreen interface facilitates operation.

Analog Modules, Inc.    Longwood, FL 32750
Sep 14, 2010 Model 762 OEM laser diode driver provides up to 2.5 A of drive current with compliance voltages up to 2.5 V, while pulse widths down to 20 nsec or less are possible with optical pulse rise times of 10 nsec. System board, which includes FPGA and bidirectional PID thermoelectric cooler controller, provides sensing for back facet monitor and outputs digital laser fire indicator pulse and scaled analog output. Product is suited for driving 14-pin butterfly packaged laser diode modules.

Blue Sky Energy, Inc    Vista, CA 92081
Aug 23, 2010 Solar Boost(TM) 1524iX utilizes Maximum Power Point Tracking (MPPT) technology and carries dual 15/20 A rating for respective delivery of up to 15 and 20 A in 24 and 12 V systems. Other features include programmable Post-Dusk and Pre-Dawn lighting control, Low Voltage Disconnect, ability to charge second battery, and Integrated Power Net(TM) architecture. Auxiliary output can function as 15/20 A load controller or 2 A auxiliary battery charger.

Maxim Integrated Products    Sunnyvale, CA 94086
Aug 13, 2010 Supplied in 28-pin TQFN, MAX5971B single-port power-sourcing equipment (PSE) controller delivers up to 40 W/port for IEEE® 802.3af/at-compliant, high-power power-over-Ethernet (PoE+) applications. It integrates 0.5 X power MOSFET, sense resistor, and current monitor, and typical application circuit requires fewer than 8 external components. Operating from 32-60 V, IC provides 9-bit ADC and I²C interface as well as device discovery, classification, and DC/AC load-disconnect detection.

Summit Microelectronics, Inc.    Sunnyvale, CA 94085
Aug 03, 2010 Series SMB20X DC-DC buck regulators are single or dual output step-down converters with high-side MOSFET supplying up to 4 A output current. Serial digital interface and non-volatile memory facilitate configuration and programming. Input voltage range is +4.5-16 V and output range is +0.8-5.0 V, accurate to 2.5% over load/line/temperature, while output voltage is programmable in 100 mV or ~10 mV steps. Output enable, sequencing, softstart, and output voltage monitoring are also programmable.

Micrel Semiconductor Inc.    San Jose, CA 95131
Jul 30, 2010 Model MIC2165 features architecture that makes high delta-V operation with VIN of 28 V and VOUT of 0.8 V possible. Unit employs Hyper Light Load(TM) feature to achieve high efficiencies at light loads. Operating over input supply range of 4.5-28 V, it can provide up to 25 A of output current, achieves up to 95% efficiency, and has short current sensing on bottom MOSFET. Unit also features internal linear regulator that provides regulated 5 V to power internal control circuitry.

National Semiconductor Corp.    Santa Clara, CA 95051-0695
Jul 06, 2010 As 20 V synchronous buck controller, LM27402 offers 3-20 V input capable of interfacing with all intermediate bus voltages. Integrated inductor DC resistance current sense eliminates need for resistive power train elements to detect output current, and output voltage is adjustable down to 0.6 V. Other features include programmable current sense threshold level, bias supply sub-regulator, and MOSFET gate drivers with adaptive dead-time control.