Maxim MAX8930 integrated power-management IC
Maxim has released the MAX8930, an integrated power-management IC for mobile phone displays.
By integrating a white LED driver, passive-matrix organic LED driver and a linear drop-out regulator in a 10 mm2 package, this PMIC reduces size by over 45% compared with discrete implementations.
The device uses an adaptive-charge-pump architecture (1x or -0.5x) and dimming techniques to achieve up to 93% efficiency. Moreover, it averages 90% efficiency over the 3.5 to 3.7 V input range, in which the lithium-ion (Li+) cell operates most often.
The IC features an I2C-compatible control interface and dimming to extend battery life. Automatic luminance control automatically adjusts the WLED brightness according to the ambient-light level, while the content-adaptive interface optimises brightness based on the gamma-correction information of the image.
Phone: 02 9585 5511
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