ThomasNet Industrial Newsroom -

LED Driver enables lighting effects in portable applications.

info@productnews.com (ThomasNet News) — Fri, 20 Nov 2009 08:27:05 -0500

Housed in 2.6 x 2.6 mm WL-CSP package, Model AS3665 offers 9 LED channels with up to 25 mA per channel. Dedicated 12-bit PWM for each channel delivers smooth color effects, enabling linear, logarithmic, and ratiometric fading effects. PWM generators have 3 sequencers and 1.5 kbit memory, allowing storage and processing of complex light patterns without external processors. With audio synchronization feature, color LEDs blink, fade, and change color in time with audio input.

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Search for suppliers of: LED Drivers | Display Drivers | Integrated Circuits (IC)

Charge Pump Drivers enhance LED backlighting in handhelds.

info@productnews.com (ThomasNet News) — Fri, 13 Nov 2009 08:31:44 -0500

Supplied in 2 x 2 x 0.6 mm plastic package, models SC654, SC657, and SC658 drive 6, 5, and 4 LEDs, respectively. Integrated mAhXLife(TM) charge pump monitors each LED's forward voltage and automatically selects 1x, 1.5x, or 2x mode to optimize efficiency. Also included, low-dropout current sink regulators provide LED current matching of 0.5% typ. LED current may be adjusted from 0-25 mA in 29 settings via one-wire SemPulse® interface, which also controls various other functions.

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Four-String LED Driver delivers 150 mA per string.

info@productnews.com (ThomasNet News) — Tue, 10 Nov 2009 08:33:29 -0500

Suited for LCD TVs, monitors, and automotive displays, high-brightness MAX16814 integrates switching DC-DC controller to generate voltage required to drive multiple strings of LEDs. Four linear current sinks with internal power MOSFETs provide programmable current up to 150 mA per string. Delivering PWM dimming range of 5,000:1 with 200 Hz dimming frequency, MAX16814 optimizes display performance in all lighting environments. It includes thermal protection as well as open and short fault protection.

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Search for suppliers of: Integrated Circuits (IC) | LED Drivers | Display Drivers

MOSFET Gate Driver Integrated Circuit provides 3,750 Vrms of I/O isolation.

info@productnews.com (ThomasNet News) — Wed, 28 Oct 2009 08:34:03 -0500

Designed for remote switching of DC and low frequency loads where isolated power is unavailable, optically isolated Model CPC1590 uses bootstrap biasing technique to eliminate load-side power supply. External power MOSFET is controlled by application of 2.5-10 mA LED current to CPC1590, which activates internal load-side driver circuit. Housed in 8-pin package, IC provides blocking voltage rating of 200 V, turn-on time of 40 µs and turn-off time of 110 µs with 2.5 mA LED input current.

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Power MOSFET Driver operates reliably from -55 to +225°C.

info@productnews.com (ThomasNet News) — Tue, 06 Oct 2009 08:37:05 -0500

Suited for driving MOSFETs in DC-DC converters and electric motor control applications, HYPERION features typical on-resistance of 1 <font face='Symbol'>W</font>. High- and low-side unit can drive up to 1 nF loads with 40 nsec propagation delay and 15 nsec transition time at 200°C. Adaptive non-overlap circuitry reduces switching losses by preventing simultaneous conduction when used in MOSFET drive applications. High-side floating driver is bootstrapped and can accommodate voltages as high as 35 V.

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Search for suppliers of: MOSFET Drivers

SerDes Chipsets drive 24-bit color infotainment displays.

info@productnews.com (ThomasNet News) — Tue, 29 Sep 2009 08:30:36 -0500

FPD-Link II SerDes chipset family is capable of driving high-resolution, 24-bit color flat-panel displays with 65 MHz clock. They deliver scalable pixel clock range of 5-65 MHz, enabling modular platform for low-resolution (WQVGA) through high-resolution (XGA) infotainment displays. Family includes serializer/deserializer that use low-voltage CMOS parallel interface, and second serializer/deserializer that uses low-voltage differential signaling interface.

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Search for suppliers of: Display Drivers

MOSFET Driver powers white LED backlighting.

info@productnews.com (ThomasNet News) — Fri, 25 Sep 2009 08:36:11 -0500

Suited for LCD panel backlight applications such as car navigation monitors and 12 in. notebook PCs, 60 V Model SSM3K318T boosts battery voltage to level needed to turn on LED array. N-channel power MOSFET features low ON-resistance of 83.5 m<font face='Symbol'>W</font> at V(GS) = 10 V and low capacitance of 235 pF at V(DS) = 30 V. Device is available in TSM package measuring 2.9 x 2.8 x 0.7 mm.

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Search for suppliers of: MOSFET's | MOSFET Drivers

LED Driver integrates temperature management control.

info@productnews.com (ThomasNet News) — Mon, 21 Sep 2009 08:32:52 -0500

Offered in 20-pin thermally enhanced TSSOP, LM3424 drives up to 18 high-brightness LEDs in series with output current above 2 A (typ). It contains all features to regulate currents based on buck, boost, SEPIC, flyback, and buck-boost topologies. Temperature management control, thermal foldback, accelerates and facilitates design of thermal system. It lets lighting designers can program temperature and slope breakpoints within which LEDs operate safely.

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Multi-channel LED Driver has 3,000:1 True Color PWM dimming.

info@productnews.com (ThomasNet News) — Mon, 14 Sep 2009 08:32:15 -0500

Supplied in 32-pin, 5 x 5 mm QFN package, LT3754 can drive 16 channels - each with up to ten 50 mA white LEDs in series - from 12 V input while delivering efficiencies exceeding 92%. IC operates from 6-40 V input; utilizes step-up DC/DC controller; and offers features such as ±2.8% (±0.7% typ) LED current matching, programmable 100 kHz to 1 MHz fixed frequency operation, and current mode architecture. IC can drive up to 45 V of 50 mA LEDs per channel.

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High-Voltage Driver integrates IO-Link, DC/DC converter.

info@productnews.com (ThomasNet News) — Fri, 11 Sep 2009 08:35:08 -0500

Supplied in 4 x 4 mm QFN24 package with exposed die paddle that ensures optimal heat distribution, ZIOL2401 offers 2 independent IO channels that meet physical layer requirements of sensor and actuator systems in factory automation applications. IC operates over -25 to +85°C range and combines fully programmable, 2-channel IO-Link driver with DC-DC converter capable of producing up to 15 V. Configuration parameters are stored in on-chip EEPROM and automatically loaded during power up.

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Search for suppliers of: DC To DC Converters | Line Drivers

White LED Driver features display backlight control.

info@productnews.com (ThomasNet News) — Mon, 31 Aug 2009 08:35:50 -0500

Offered in 12-bump micro SMD package measuring 1.615 × 1.215 × 0.425 mm, LM3530 can be utilized for illuminating larger displays in portable media devices. Current-mode boost converter can supply up to 29.5 mA of power to 11 white LEDs from single-cell Lithium-Ion battery. I2C compatible interface offers programmability, and enables designer to adjust for lighting effects such as fading and lighting level. Logarithm and linear LED brightness mapping provides flicker-free dimming.

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Search for suppliers of: Application Specific Integrated Circuits (ASIC) | LED Drivers | Display Drivers

Development Kits enable evaluation of OEM LED-backlit LCDs.

info@productnews.com (ThomasNet News) — Tue, 18 Aug 2009 08:43:58 -0500

Providing everything needed to get panel, backlight, and driver fully operational, Smart Kit(TM) Development Kits include ERG LED driver card, flying lead input harness, DigitalView® to ERG plug-and-play input harness, and direct mate LED driver-to-LCD interconnect wiring harness. All components come in 8.5 x 5 in. polyethylene bag labeled with manufacturer and model number of LCD panel as well as part numbers for driver card and harnesses.

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Test and Measuring Instruments

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Touch-Interface ICs integrate haptic controller drivers.

info@productnews.com (ThomasNet News) — Mon, 17 Aug 2009 08:30:07 -0500

Available in 25 MHz SPI(TM) and 400 kHz I²C versions, MAX11810 and MAX11811 are touch-interface systems with integrated 4-wire touch-screen controllers, haptic controller drivers, and IR-based proximity sensing. Each operates from one 1.7-3.6 V supply and can drive DC motor directly or piezo elements using external piezo driver. Also included, automatic validation of touch responses functionality reduces data transfer and power draw.

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Quad-Output EL Lamp Driver incorporates I²C interface.

info@productnews.com (ThomasNet News) — Wed, 12 Aug 2009 08:29:54 -0500

Supplied in 4 x 4 mm TQFN package, MAX14521E features ±15 kV ESD protection and utilizes inductor-based boost converter to generate 300 VP-P (max) voltage for optimal electroluminescent (EL) lamp brightness. I²C interface is included for adjusting settings such as output voltage, frequency, boost frequency, and waveform shape, while acoustic-noise-reduction circuit enables quiet EL backlight operation as well as bright, efficient output. Driver allows independent control of each lamp.

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IGBT and MOSFET Drivers feature 32 V max supply voltage.

info@productnews.com (ThomasNet News) — Wed, 12 Aug 2009 08:29:54 -0500

With output current up to 2.5 A and 0.5 A, respectively, Models VO3120 and VO3150A each consist of LED optically coupled to integrated circuit with power output stage operating from 15-32 V. Units are suited for directly driving IGBTs with ratings up to 800 V and 50 A for VO3120 and 20 A for VO3150A. Offered in lead-free and RoHS-compliant packages, drivers feature low power consumption of 2.5 mA and max ambient operating temperature of +110°C.

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LED Driver IC features constant current control.

info@productnews.com (ThomasNet News) — Tue, 21 Jul 2009 08:30:41 -0500

Designed to drive LEDs using buck topology, average-mode Model HV9961 provides current accuracy of ±3% and requires no loop compensation or high-side current sensing. Device features hiccup-mode LED short-circuit protection and both linear and PWM dimming. Available in SOIC-8 and SOIC-16 packages, IC is RoHS-compliant. It is suited for backlighting LCD screens, as well as street, architectural, decorative, and industrial LED lighting applications.

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Pulsed Diode Laser Driver suits man-portable applications.

info@productnews.com (ThomasNet News) — Thu, 16 Jul 2009 08:29:53 -0500

Designed to operate from single DL123 battery or equivalent, PLDD-120 delivers 120 A of peak current for 300 µs to laser diode bar at 1 Hz repetition rate. Measuring 2.1 x 0.75 x 0.78 in. size and weighing 15.2 g, unit is suited for man-portable target designation, rangefinding, illumination, and remote sensing applications.

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Search for suppliers of: Diode-Pumped Drivers

LED Driver delivers high accuracy for LCD TVs and monitors.

info@productnews.com (ThomasNet News) — Tue, 14 Jul 2009 08:29:46 -0500

Featuring closed loop system for efficiency, 3 channel HV9985 delivers high LED current accuracy, suited for driving multiple strings of backlight or edgelight LEDs in LCD TVs. It contains 3 peak current mode controllers, and Gate drivers optimized for driving logic level FETs at 0.25 A sourcing or 0.5 A sinking. Each output current can be individually dimmed via linear or PWM dimming methods. IC is available in 40-lead QFN and 44-lead QSOP packages.

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Search for suppliers of: LED Drivers | Integrated Circuits (IC) | Display Drivers

LED Driver provides front panel activity control.

info@productnews.com (ThomasNet News) — Mon, 13 Jul 2009 08:35:00 -0500

Capable of driving either eight 7-segment digits or 64 individual LEDs with 47 mA per digit or 5 mA per LED, AS1115 allows read-back of 16 keys and provides detailed error diagnostics. It operates from single 2.7-5.5 V supply and requires low supply current of 0.6 mA during operation and 200 nA in shutdown mode. Available in QSOP 24-pin package, device operates in temperatures from -40 to +85°C. AS1115 interfaces via I²C and up to 4 devices can be addressed on single I²C bus.

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LED Flash Driver suits slim phones/digital cameras.

info@productnews.com (ThomasNet News) — Thu, 09 Jul 2009 08:33:49 -0500

Measuring 3.5 x 3.5 x 0.55 mm, NCP5680 supercapacitor-based LED flash driver delivers up to 10 A for photo flash and video light, minimizing drain of Li-Ion batteries. Unit features programmable control of charging/discharging of supercapacitor and can run various lighting, wireless transmission, and GPS functions. Users can adjust output current and flash duration of each LED in real time. Protection includes flash time-out, temperature detection, and overload/short circuit protection.

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Search for suppliers of: Display Drivers | LED Drivers | Light Emitting Diodes (LED)