Driver ICs

The RT9711A/B/C/D are cost-effective, low voltage, single N-MOSFET high-side power switches, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.

The RT9629A is a high frequency, triple-channel synchronous rectified buck MOSFET driver specifically designed to drive six power N-MOSFETs.

The RT9625B is a high frequency, synchronous rectified, two phase MOSFET driver designed for normal MOSFET driving applications and high performance CPU VR driving capabilities.

The RT9624B is a high frequency, synchronous rectified, single phase MOSFET driver designed for normal MOSFET driving applications and high performance CPU VR driving capabilities.

The RT9624B is a high frequency, synchronous rectified, single phase MOSFET driver designed for normal MOSFET driving applications and high performance CPU VR driving capabilities.

The RT9624B is a high frequency, synchronous rectified, single phase MOSFET driver designed for normal MOSFET driving applications and high performance CPU VR driving capabilities.

The RT9385 is a 5 Channel WLED driver with auto mode selection of x1, x1.5 and x2 mode with low dropout voltage in current sources. The RT9385 can power up to 5 white LEDs with regulated constant current for uniform intensity.

The RT9378 is a 4 CH WLED driver with auto mode selection of x1, x1.5 and x2 mode with low dropout voltage in current sources.

The RT9373A is a high efficiency and cost effective charge pump white LED driver. It supports up to 3 white LEDs with regulated constant current for uniform intensity.

The RT9368 is a high efficiency charge pump white LED driver providing 4 channels of low dropout voltage current source to regulate white LEDs current.

The RT9363 is a high efficiency and cost effective charge pump white LED driver. It supports up to 3 white LEDs with regulated constant current for uniform intensity.

The RT9363A is a compact, high efficient and highly integrated charge pump white LED driver. It maintains the highest efficiency by utilizing a x1/x2 fractional charge pump and low dropout current regulators.

The RT9362/A is a high efficiency charge pump white LED driver. It supports up to 4 white LEDs with regulated constant current for uniform intensity.

The RT9362/A is a high efficiency charge pump white LED driver. It supports up to 4 white LEDs with regulated constant current for uniform intensity.

High performance charge pump DC/DC converter producing regulated 4.5V and 5V output without external inductor.

The RT9361A/B is a high performance charge pump DC/DC converter that produces a regulated 4.5V and 5V output. No external inductor is required for operation.

The RT9301 is a 3-Channel current source driver for RGB LED. It is easy to be designed in applications that need mixing RGB light source for multi-color output.

The RT9288A is a wide input operating voltage range step-up controller. High voltage output and large output current are feasible by using an external N-MOSFET.

The RT9285 is a high frequency asynchronous boost converter with internal diode, which can support 2 to 5 White LEDs for backlighting and OLED power supply.

The RT9285 is a high frequency asynchronous boost converter with internal diode, which can support 2 to 5 White LEDs for backlighting and OLED power supply.

The RT9284A/B is a compact, high efficient and high integration LED driver.

The RT9284A/B is a compact, high efficient and high integration LED driver. Internal 22V MOSFET can support 2 to 5 White LEDs for backlighting and camera flashing.

The RT9284A/B is a compact, high efficient and high integration LED driver. Internal 22V MOSFET can support 2 to 5 White LEDs for backlighting and camera flashing.

The RT9269 is a compact, high efficient LED driver with high flexibility of application configurations in charge pump mode or in boost rectifier mode, delivering Tens of mA constant output current for driving 1~4 white LED's.

The RT9052 is a low cost, single channel LED current source controller with a specific FAULT detector. The part can drive an external NPN-BJT for various applications.

The RT9027A/B is a high performance positive voltage regulator designed for very low dropout voltage up to 0.5 Amps.

The RT9027A/B is a high performance positive voltage regulator designed for very low dropout voltage up to 0.5 Amps.

The RT8577A is an 4-CH LED driver capable of delivering 120mA for each channel. The RT8577A is a current mode boost converter with an adjustable switching frequency from 200kHz to 2.1MHz via the RT pin from 200kHz to 2.1MHz and a wide VIN range from 5.5V to 40V.

4.5V 0.4mm PMIC 500kHz~2MHz 4.5V 20-WFQFN Exposed Pad

The RT8561A is a 40V 8-CH LED driver capable of delivering 30mA to each channel with 10 LEDs (3.6V per diode), up to 80 x 3.6V LEDs (10 each channel) total of 80 LEDs with one driver. The RT8561A is a current mode boost converter operated at 1MHz, wide V range covers from 6V to 24V and the on-chip current switch is rated at 2.5A.

The RT8560 is a 60V 4-channel LED driver capable of delivering 30mA to each channel. It is a current mode boost converter operated at 1MHz switching frequency with a wide input voltage range from 7V to 40V.

The RT8555 is a high efficiency driver for white LEDs. It is suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel and up to 10 WLEDs per string.

The RT8555 is a high efficiency driver for white LEDs, suitable for single/two cell battery input to drive LED light bars with six strings in parallel.

The RT8555 is a high efficiency driver for white LEDs. It is suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel and up to 10 WLEDs per string.

The RT8540 is a high efficiency synchronous Boost converter capable of delivering up to 1.5A maximum output current. It is an ideal power solution for up to three LEDs photoflash applications in all single-cell Lithium-ion/polymer battery powered products.

The RT8511A is an LED driver IC that can support up to 10 WLED in series. It is composed of a current mode boost converter integrated with a 43V/1.2A power switch running at a fixed 1MHz frequency and covering a wide VIN range from 2.7V to 24V.

The RT8510 is a high efficiency driver for white LEDs. It is designed for LCD panels that employ an array of LEDs as the lighting source.

The RT8498 is a current-mode LED driver supporting wide input voltage range from 3V to 18V and output voltage up to 18V. With internal 350kHz operating frequency, the size of the external PWM inductor and input/output capacitors can be minimized.

The RT8497 integrates a power MOSFET and a Boundary mode controller. It is used for step down converters by well controlling the internal MOSFET and regulating a constant output current.

The RT8487 is a Boundary mode high PF floating buck constant LED current output controller with an internal gate driver.

Richtek provides comprehensive power conversion solutions for input voltages ranging from 1.4V up to 80V, suitable for industrial, automotive, and professional lighting applications.

The RT8482 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications. With a current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor.

The RT8480 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications.

The RT8479C is a two-stage controller with dual MOSFETs and consists of a Boost converter (first stage) and a Buck converter (second stage). The advantage of two-stage topology is highly compatible with ET (Electronic Transformer) and extremely high Power Factor performance in MR16 / AR111 lighting market fields applications.

The RT8477A is a current mode PWM controller designed to drive an external MOSFET for high current LED applications with wide input voltage (4.5V to 50V) and output voltage (up to 50V) ranges.

The RT8476 is a two-stage controller with dual gate drivers consist of a Boost converter (first stage) and a Buck converter (second stage). The advantage of the two-stage topology is highly compatible with ET (Electronic Transformer) in MR16 / AR111 lighting market field applications.

The RT8476A is a two-stage controller with dual gate drivers consisting of a Boost converter (first stage) and a Buck converter (second stage). It is highly compatible with Electronic Transformers in MR16/AR111 lighting applications.

The RT8474A is a current-mode LED driver supporting wide input voltage range from 4.5V to 50V in multiple topologies.

The RT8474A is a current-mode LED driver supporting wide input voltage range from 4.5V to 50V and output voltage up to 50V.

0.95mm PMIC 23 Pin 12V SOT-23-5 Thin, TSOT-23-5