Power the way to a brighter and more efficient future of wearable AMOLED displays

POWER THE WAY TO A BRIGHTER AND MORE EFFICIENT FUTURE OF WEARABLE AMOLED DISPLAYS

MAY. 30, 2019 | Newsletter Issue 32

When applied to the wearable devices, AMOLED displays offer tremendous benefits including high contrast, excellent viewing angles, light and thin profile, no backlight required etc. Richtek has extended the expertise from LCD display TVs to AMOLED displays. With advancements in size, brightness and functionalities in wearable devices, Richtek has worked with leading display manufacturers at the forefront of providing the optimal power solutions to deliver on both battery life and high performance.

Richtek has developed unique power stage topologies with smart switching control to optimise efficiency under various load conditions and battery status. Supporting fast display responsive and high brightness for torch light, Richtek’s solutions have superior efficiency to extend battery life. Discover more advantages of developing with our AMOLED display power solutions.

wearable AMOLED displays

Richtek’s AMOLED display power solution for wearable devices provides highly accurate and low-ripple multiple voltage rails with a single inductor in a CSP package. See the RT4730, our wearable power management solution for more details.

Our latest portable power management solution can support higher power and brightness for AMOLED displays in 5.5 inches or more. It has 91% high efficiency at 10mA light load and only ±2 mV low output variation over a full load range from 0 to 320 mA from a 3.7V input. Find out more about its topology and performance.

Topology → Performance →

NEW PRODUCTS

Check out the products that meet your area of interest for more information

RT7207K

Highly Integration USB PD Controller with Sync. Rectification

RT7207K is the highly integration USB PD controller with synchronous rectification, supporting USB PD2.0/PD3.0, PPS as well as other proprietary protocols such as QC/SCP/FCP/AFC. It operates in a wide output range of 3V-22V or 3V-13V with a USBP for direct drive of external blocking N-MOSFET. It is ideal to be applied in chargers/adapters for smart phones, NBs, tablets and other portable electronic devices.

We also have RT7207KB for embedded OTP-ROM of 16kB for option; whereas RT7207K has embedded OTP-ROM of 8kB.

RT7202KJ

Highly Integrated USB PD Type-C Controller for SMPS

RT7202KJ is a simple and yet flexible for multipurpose of USB PD Type C controller which can operate as a source or a sink by programming. When used as a source, it can be used in an off-line AC-DC converter. When combined with external buck or buck-boost controller, it can constitute a DC-DC converter, such as a car charger, and meet the PPS specification. When used as a sink, it is easily programmed by other master MCU via I²C control.

RTQ2822A/B

17Vin, 12A Iout ACOT® Sync. Buck Converter

RTQ2822A/B family is a 12A Iout, 4.5V-17Vin, adj. 0.6V-5.5Vout, ACOT® synchronous Buck converter (internal pull high: A/low:B). Featuring PGOOD, and adj. soft start, it is flexible to adjust operating frequency(400kHz/800kHz/1200kHz), current limit and PWM modes by voltage dividers. Operating in -40°C ~125°C wide temp. range, it is suitable for servers, storage devices, network equipment and high-end digital TVs.

RT5086D

Total Power Management Solution for SSD

RT5086D is a total power management solution for Solid State Drive. It has 6 Buck converters, supporting dynamic voltage scaling via I²C interface. It provides configurable outputs for core power of SSD controller, NAND flash memory, I/O and DRAM power with regulated power sequence.

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