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.
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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.
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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.