LC79451KB-X2T

EPD Electronic Paper Display Controller and Driver

LC79451KB is controller and driver IC for the electronic paper display EPD. It can realize low supply voltage and low power consumption. It supports SPI and IC interface. It is equipped with waveform generator, oscillator, charge-pump and 128 segment drivers.

Features

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Logic power supply voltage VDD : +1.6V to +3.6V

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Analog power supply voltage VDD2 : +1.8V to +3.6V

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Interface : SPI or I2C

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Operating frequency : 400kHz max I2C /10MHz max SPI

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Standby current : 1µA max

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Operating current : 30µA typ no load, charge-pump frequency 1kHz

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Number of segment drive output : 128

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Level of segment drive output : 3 level -15V/0V/+15V

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Waveform output : Internal waveform generator

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Internal charge-pump : +15V/-15V

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Frequency of CR oscillator : 32kHz +/-3%

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Automatic low power function :

Automatic start and stop of internal circuit with the waveform output

Automatic shift to the lower charge-pump frequency with finish of the waveform output

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Gold bump chip : X = 6.55mm, Y = 1.43mm