Electronic Drivers

White LED Driver features PWM phase-shift dimming control.
Electronic Drivers

White LED Driver features PWM phase-shift dimming control.

Featuring integrated control loop architecture that allows use of inductors as small as 1 mm high and 2.2 Â-µH, Model SC5010 can be built directly into LCD panel in Ultrabook PCs and ultra-mobile PCs for displays as thin as 4 mm. Eight-channel boost LED driver can power up to 112 LEDs, with currents up to 30 mA/channel. Operating from 4.5-27 V input with VOUT up to 50 V, device offers...

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Automotive LED Driver IC offers high side current sensing.
Electronic Drivers

Automotive LED Driver IC offers high side current sensing.

Housed in 8-lead DFN package, AEC-Q100 compliant Model AT9919 drives LEDs using buck topology. Because of hysteretic control function, constant output current to LED string is maintained at all times. IC drives loads up to 1.0 A at over 90% efficiency from input voltages ranging from 4.5-40 V. With LED brightness achieved through PWM control signal, IC is suited for solid-state automotive...

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LED Driver ICs target automotive infotainment applications.
Electronic Drivers

LED Driver ICs target automotive infotainment applications.

As multi-output LED drivers for LCD backlighting, A8502 and A8514 integrate current-mode boost converter with internal power switch and multiple current sinks. LED sinks can be paralleled together to achieve higher LED currents. Operating from single power supply from 5-40 V, ICs can optionally drive external PMOS to disconnect input supply from system in case of fault. Both products offer...

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Electronic Drivers

LED Driver IC operates at up to 98% efficiency.

Available in DFN-5 package, 40 V Model ZLED7320 features on-chip switching transistor, 1,200:1 dimming via PWM signal or fixed voltage, up to 1 A of output current at ±3% accuracy, and high-side current sensing. Device includes built-in thermal shutdown, open-circuit, and short-circuit protection. Due to output current capabilities, IC can support high-brightness and high-current LEDs from...

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Electronic Drivers

LED Driver ICs enhance edge- and direct-lit LCD TVs.

Available in 0.5 mm pitch QFN and 0.8 mm pitch LQFP packages, 16-channel AS3820 and 12-channel AS3821 offer ±0.2% channel-to-channel accuracy for optimal light uniformity and picture quality. ICs can be used for driving external power MOSFETs or, due to base current error compensation, low beta bipolar transistors. Products are programmable via SPI port and provide built-in safety features,...

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Six-Channel LED Driver delivers robust fault protection.
Electronic Drivers

Six-Channel LED Driver delivers robust fault protection.

Providing protection from faulty LED strings, HV9957 combines switch-mode boost converter and 6 low dropout, linear current regulators to deliver efficiency and precise current control. Temperature-triggered fault protection and outlier approach are used to identify faulty strings, which are turned off only when absolutely necessary. Remaining strings continue normal operation. RoHS-compliant IC...

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Multi-String LED Drivers promote power efficiency for displays.
Electronic Drivers

Multi-String LED Drivers promote power efficiency for displays.

Intelligent multi-string LED drivers use efficiency optimizer (EO) technology to decrease power consumption to lowest practical level. Capabilities enable LCD TVs to achieve 10M:1 dynamic contrast and minimal motion-blur. ICs also provide over 10,000:1 PWM dimming range for PC monitors and industrial displays. In solid state lighting applications, ICs and MCUs allow dynamic white-point setting,...

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Electronic Drivers

Half-Bridge Gate Driver IC supports GaN power FETs.

Optimized for use with enhancement-mode GaN power FETs in high-voltage power converters, 100 V Model LM5113 regulates high side floating bootstrap capacitor voltage at approximately 5.25 V. Device features independent sink and source outputs for flexibility of turn-on strength with respect to turn-off strength. Low impedance pull down path of 0.5 W provides reliable turn-off mechanism. Housed in...

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Half-Bridge Gate Driver IC reduces component count, PCB area.
Electronic Drivers

Half-Bridge Gate Driver IC reduces component count, PCB area.

Supplied in 10-pin, 4 x 4 mm LLP, LM5113 high- and low-side GaN FET driver lends to density of power brick and communications infrastructure equipment. This 100 V bridge driver IC regulates high side floating bootstrap capacitor voltage at ~5.25 V to drive enhancement-mode Gallium-Nitride (GaN) power FETs without exceeding max gate-source voltage rating. Other features include independent sink...

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LED Backlight Driver IC meets needs of medium/large displays.
Electronic Drivers

LED Backlight Driver IC meets needs of medium/large displays.

Suited for backlighting LCD monitors and TVs, A8516 WLED/RGB driver helps designers reduce component count by integrating boost controller to drive external MOSFET and 6 internal current sink channels capable of up to 80 mA each. Channels can be combined to achieve higher currents, and boost converter operates in constant frequency (programmable) current mode control. LED sink current is set by...

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