Device Driver Software

Closed Loop LED Driver IC comes with PWM dimming capability.
Device Driver Software

Closed Loop LED Driver IC comes with PWM dimming capability.

Utilizing closed-loop system to control current going to LED string, HV9963 suits DC/DC applications such as RGB or white LED backlighting, LCD TVs and monitors, and LED lamps for general lighting. RoHS compliant product includes 1 MHz transconductance amplifier with tri-state output to close feedback loops in sensing process. Other features included are hiccup mode protection for both short- and...

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AC/DC LED Drivers come in IP67 rated case.
Device Driver Software

AC/DC LED Drivers come in IP67 rated case.

AC/DC Constant Current LED Drivers accept universal input voltage of 90-264 Vac at 47-63 Hz, with certain models accepting inputs of 170-250 Vac at 40-63 Hz. Units provide output voltages from 2-90 Vdc and constant output current from 0.3-4 A. Operating from -50 to +55°C, drivers offer efficiencies up to 88% and input to output isolation up to 3,000 Vac. Short circuit, over current, and...

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High-Voltage Scan Drivers target LCD TVs.
Device Driver Software

High-Voltage Scan Drivers target LCD TVs.

Featuring integrated gate logic, Models MAX17120/MAX17121 are triple/dual level-shifting scan drivers for TFT panels. Each has 2 channels that switch complementarily. Outputs swing from +40 V to -30 V and can drive capacitive loads. To save power, complementary outputs share charge of capacitive load before they change states. Housed in 5 x 5 mm TQFN package, Model MAX17120 is suited for large...

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Device Driver Software

LED Driver targets general illumination products.

Housed in low-profile DFN package, 1 A linear mode, constant-current Model DLD101 is suitable for flashlights and lighting in emergency, garden, and poolside applications. By integrating base accessible pre-biased transistor, LED driver incorporates biasing resistors on chip, so LED current is set via single external resistor without additional boost resistor. For pass element, high drain current...

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Device Driver Software

White LED Driver IC features LED current and timing control.

Designed for LCD TVs, Models AAT2400/2401 are master/slave devices that operate from regulated 12 or 24 Vdc power supply. AAT2400 supplies 40 V rail to drive 10 series LEDs with typical VF of 3.6 V with up to 100 mA. Sixteen current sinks split between master and slave devices provide constant current drive for up to 160 white LEDs. Eight-bit dot correction register compensates for variations in...

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Device Driver Software

Power/Display Optimizer extends portable device battery life.

Implemented in portable elecronic devices, Intelligent Display Power Optimizer (DPO) Proven System Block (PSB) works in conjunction with Visual Enhancement Engine (VEE(TM)) v2.0 to deliver TV-quality viewing experience and up to 80% reduction in backlight power usage. Single-chip solution's VEE examines video bit stream in real-time, on pixel-by-pixel basis, and also runs comparative algorithms...

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Device Driver Software

Display Driver IC optimizes power use in portable devices.

ArcticLink® II VX2 is used in display sub-systems of phones, netbooks/smartbooks, mobile TV devices, and PNDs. Providing TV-quality visual experience, embedded Visual Enhancement Engine v2.0 leverages pixel-by-pixel processing to be effective in all lighting conditions. Up to 32 Mb embedded frame buffer supports up to WSVGA resolution and 24-bit color depth, while programmable fabric...

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Device Driver Software

LED Driver can be controlled by SMBus/I2C communications.

Capable of driving 96 pieces of 3.4 V/50 mA LEDs, 8-channel Model ISL97677 is suited for notebook and monitor LCD backlight applications with PWM dimming and fault reporting functions. Unit has multiple channels of voltage controlled current sources with typical currents matching ±0.7%, which compensate for non-uniformity effect of forward voltage variance in LED strings. Housed in 5 x 5 mm...

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Charge Pump Driver enables PWM dimming for LED backlighting.
Device Driver Software

Charge Pump Driver enables PWM dimming for LED backlighting.

Model SC652 supports up to 5 LEDs with 1 PWM dimming input, while SC656 supports up to 7 LEDs with 1 or 2 independent PWM dimming inputs. Both integrate digital low-pass filters that convert PWM dimming signal's duty-cycle into DC current for LCD backlighting with white LEDs. Drivers PWM inputs accept 200 Hz to 50 kHz PWM signals with logic level of 1.4 V and above. Input supply voltage range is...

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Device Driver Software

PWM Dimming LED Driver suits LCD backlight applications.

Capable of driving up to 96 pieces of 3.4 V/50 mA LEDs, Model ISL97678 has 8 channels of voltage controlled current sources with typical currents matching to ±1%, which compensate for non-uniformity effect of forward voltage variance in LED strings. Unit features PWM dimming up to 30 kHz with 0.8-100% duty cycle and maintains ±1% current matching across all ranges. Housed in 5 x 5 mm...

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