Microsemi    Irvine, CA 92614
May 21, 2012 Optimized for worldwide residential, commercial, and industrial light fixtures, LXMG221W-0700030-D0(TM) enables start-up times of 150 msec or faster. ENERGY STAR®-compliant, solid-state LED driver is compatible with 50 and 60 Hz AC power sources worldwide, with standard voltages ranging from 120-277 Vac ±10%. Along with 90-305 Vac input, 30 W module offers 700 mA dimmable constant current source output, power factor greater than 0.9, and THD less than 15%.

MagnaChip Semiconductor    Cheongju-si,Chungbuk   Korea (south)
May 17, 2012 AC direct-drive LED lighting driver does not require separate AC line converter circuit. The 4 W LED product has brightness equivalent to 30 W incandescent light bulbs, and 8 W LED product is equivalent to 60 W. PF higher than 0.95 and THD below 27% maximize energy savings in entire lighting system. Available in 110 and 220 voltages, driver has embedded bridge diode to manage AC voltage and current, and LGA package promotes heat dissipation.

ROAL Electronics USA, Inc.    Stroudsburg, PA 18360
Mar 28, 2012 Included in Ozone Series, UL-certified model RSOZ070-35 can power LED arrays from 20-33 Vdc and offers programmable output current that can be set from 1,000-2,600 mA. Output is also dimmable using variety of control standards, including analog 0-10 V input, DALI, or PWM. Along with model-specific programmable fade in/out and programmable 5-step dynamic dimming cycles that automatically adjust for solar cycles, series offers EN61000-4-5 surge immunity and fire enclosure rating of 5 VA.

Microsemi    Irvine, CA 92614
Mar 09, 2012 Supplied in plastic, 16-pin SMT SOIC, RoHS-compliant and halogen-free LX27901 provides LED driving capabilities in televisions based on LCD Integrated Power Supply (LIPS) architecture. Non-dissipative architecture promotes power efficiency while enhancing backlight performance. Along with 3 selectable drive modes, features include ACU_BRITE(TM) algorithm for dimming, synchronous regulation to reduce number of power conversion stages, and accurate current matching.

austriamicrosystems AG    Schloss Premstaetten A 8141  Austria
Mar 07, 2012 Supplied in 12-ball, 1.7 x 1.4 x 0.5 mm WL-CSP package with 0.4 mm pitch, AS3674 and AS3490 are inductive boost converters that exhibit 90% peak efficiency and require 4 external components. Able to control 5 current sources with each driving 2 LEDs in series, AS3674 is 2 MHz DC/DC switch mode step-up converter that allows current for LED channels to be set by external resistor with max of 25 mA per channel. With same functionality as AS3674, AS3490 addresses 3 LED channels.

Thomas Research Products    Huntley, IL 60142
Feb 27, 2012 Featuring F-Can sizes, LEG series offer constant-current performance in 75, 100, 120, and 150 W standard models. Dimmable versions are also available. Enclosure offers flexibility for use in existing fixture designs, and series can be used by OEMs in new offerings or retrofitted in field. Input voltage ranges from 120-277 Vac, and Black Magic Thermal Advantage(TM) metallic enclosures are rated to IP66. Over-voltage/-current and short circuit protection with automatic recovery are standard.

GlacialPower    New Taipei City   Taiwan
Feb 24, 2012 GP-LS200P series regulates voltage and power consumption with 87-90% efficiency and transforms AC voltage from 90-295 V into useable DC voltage. Comprised of 4 models, series offers DC voltage output from 12-48 V and maintains optimal temperatures with cooling via free air convection. PFC of power driver maintains clean and pure sine waveform of current to improve electric power quality, promoting LED life and reducing power loss from electric power pollution.

Atmel Corporation    San Jose, CA 95131
Feb 16, 2012 With internal lighting timing algorithms, MSL2164 and MSL2166 eliminate 3D ghosting and flickering effects on LCD TVs. Drivers work with Atmel AVR® MCUs, which process timing and dimming instructions. Able to drive up to 16 parallel strings of LEDs, products incorporate power management and backlight control along with multiple dimming modes for 3D, scanning, and zone dimming edge-lit LCD TVs. Multiple PWM modes reduce design complexity.

Allegro MicroSystems Inc.    Worcester, MA 01615
Feb 15, 2012 Supplied in eMSOP-10 or eTSSOP-16 package with integrated current-mode boost converter, internal power switch, and current sink, single-output A8513 backlights LCDs in automotive/consumer designs. Driver can operate from single 4.5-40 V power supply to accommodate start/stop, cold crank, and load dump requirements, and 2 MHz boost converter switching frequency enables operation above AM radio band. Fault flag can be used as part of circuit to drive external P-FET to disconnect input supply.

Supertex Inc.    Sunnyvale, CA 94619
Feb 10, 2012 Used for LCD backlighting, 3-channel HV9989 features PWM dimming control algorithm that regulates each channel's output current down to sub-µs dimming pulses. This permits dimming at frequencies outside audible range without shift in color correlated temperature. Powered by 40 V linear regulator, IC drives boost or SEPIC converters in continuous or discontinuous conduction mode. Three 1 MHz transconductance amps with tri-state outputs close feedback loops and accurately control LED current.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Feb 08, 2012 Offered in 6-pin SOT-23 package and 6-pin LLP package with exposed pad, LM5114 drives Gallium-Nitride (GaN) power field-effect transistors (FET) and MOSFETs. Independent source and sink outputs from 5 V supply for optimal rise and fall times promote efficiency, while +4 to +12.6 V single power supply range supports range of applications. Other features include 0.23 ohm open-drain, pull-down, sink output; 7.6/1.3 A peak sink/source driver current; and 12 nsec typ propagation delay.

Thomas Research Products    Elmhurst, IL 60126
Feb 07, 2012 Available in leading edge (incandescent) and trailing edge (ELV) versions, LED20W series is comprised of constant current dimmable drivers designed for LED dimming control from 100%-10%. Standard 14, 16.8, and 20 W models, featuring 100-277 Vac input and 7-40 V output, come in IP66-rated Black Magic Thermal Advantage(TM) plastic enclosures. Intended for OEM luminaires, products are designed for indoor and outdoor, general and architectural lighting applications.

XP Power    Sunnyvale, CA 94085
Jan 12, 2012 LDU series exhibits typical efficiency of 93% for 5, 7, and 14 W output models and 95% for 20 W devices. While LDU20 series provides up to 700 mA output current, LDU05/07/14 series has max output of 1,000 mA. All DC input constant current LED drivers have remote on/off control input and accommodate input from 7-30 Vdc, which needs to be at least 2 V higher than output. Dimming options include 2 analog methods - voltage or resistance - and PWM input signal.

Synaptics    Santa Clara, CA 95054
Jan 12, 2012 Supporting up to 12 in. touchscreens with tracking of 10 or more fingers, ClearPad(TM) 7300 is designed for tablet market, including Google Android and MS Windows 8 devices. Singular ASIC architecture enables size and weight minimizations in tablet design by reducing internal space and power requirements. Touch controller silicon and SignalClarity(TM) Technology promote tracking accuracy and finger separation as well as environmental and electrical noise immunity.

Power Integrations, Inc.    San Jose, CA 95138
Nov 23, 2011 Supplied in eSIP(TM)-7F (L package) with 2 mm profile, LinkSwitch(TM)-PH targets LED replacements for fluorescent tubes. Products can be used where low-profile packages are required to fit into space available behind LED circuit board as well as other applications where board height is constrained. Heat transfer tab is located on top of these single-stage, primary-side controlled LED driver ICs, which feature greater than 90% efficiency and greater than 0.9 power factor.

Supertex Inc.    Sunnyvale, CA 94619
Nov 18, 2011 Supplied in SOIC-8 or -16 package, HV9801A drives LEDs and dims lamp brightness to one of 4 preset levels via light switch toggling. Average-mode current control method, which does not require any loop compensation or high side sensing, provides accurate response to input voltage fluctuations, delivers accuracy exceeding 97%, and provides line and load regulation of LED current. Delivering flicker-free operation, IC works with all existing light switches and does not require wall dimmer.

Analog Modules, Inc.    Longwood, FL 32750
Nov 15, 2011 Requiring +5 Vdc, Model 784 CW and Pulsed Laser Diode Driver offers variable pulse widths from 600 ns to CW and power capabilities up to 125 W with adequate cooling. RoHS-compliant unit features max current output of 5 A and compliance voltage to 2.5 V. Measuring 3.69 x 3.05 x 0.87 in., driver includes current limit and thermal shutdown protection. Device is suited for high current single laser diode pumping and direct illumination.

austriamicrosystems AG    Schloss Premstaetten A 8141  Austria
Oct 28, 2011 Operating from 3.0-5.5 V supply voltage, Model AS1123 is optimized for LED panels where only single LED is connected per output. Constant-current, 16-channel device features integrated diagnostics for over-temperature, open-LED, and shorted-LED conditions. Low-current diagnostic mode eliminates display flicker during global fault testing. Adjustable up to 40 mA/channel using external resistor, output current features ±3% accuracy between LEDs and between ICs.

Maxim Integrated Products    Sunnyvale, CA 94086
Oct 18, 2011 Supplied in 8-pin SOIC package, MAX16841 fixed-frequency LED driver for retrofit lamps provides flicker-free dimming from maximum light intensity down to zero intensity with both leading-edge (triac) and trailing-edge (transistor) dimmers. Constant frequency control optimizes efficiency at both low (100-120 Vac) and high (220-230 Vac) AC line voltages. Operating from 90-265 Vac input, driver prolongs life of LED lamps because it can operate without electrolytic capacitors.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Oct 14, 2011 Respectively supplied in 16-pin SOIC and TSSOP, LM3448 and TPS92070 are phase-dimmable, AC/DC LED lighting drivers intended for solid-state lighting applications. THe LM3448 adaptive, constant-off time AC/DC constant current LED regulator integrates 600 V MOSFET and is optimized for 2-8 W dimmable LED lighting drivers, and the TPS92070 flyback AC/DC constant current LED driver controller is optimized for 6-20 W dimmable LED lighting drivers. Both products feature various protection options.