LCD Drivers for VA displays

NXP’s latest generation of LCD Drivers are specifically designed for – but not limited to – driving vertical alignment (VA) displays that feature higher contrast, wider viewing angle, real black background and superior image quality.
 

Besides, NXP has also updated their existing products with new versions, which are pin-to-pin compatible with their respective predecessors, but delivering higher VLCD and/or higher frame frequency, which are the main requirements of the VA technology. In such a way, the customers can easily replace the existing NXP LCD drivers with the new ones; this allows the usage of the better performing VA displays with no or minimal hardware and software changes.
 

NXP Semiconductors LCD Drivers for Vertical Alignment (VA) Displays:

Key products:


PCA8576FUG


40 × 4 Chip-On-Glass LCD segment, pin-to-pin compatible with the PCA8576DU but with increased frame frequency from 77 Hz to 200 Hz, and increased VLCD from 6.5 V to 8.0 V

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PCA85233UG


80 × 4 Chip-On-Glass LCD segment, pin-to-pin compatible with the PCA85133U, but with increased frame frequency from 82, 110 Hz to 150, 220 Hz

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PCA85232U


160 × 4 Chip-On-Glass LCD segment, pin-to-pin compatible with the PCA85132U, but with increased frame frequency from 60…90 Hz to 117…176 Hz

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PCA85262ATT


32 × 4 LCD segment driver, pin-to-pin compatible with the PCA85162T and the PCF85162T, but with increased frame frequency from 110 Hz to 200 Hz.

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PCA85276ATT


40 × 4 LCD segment driver, pin-to-pin compatible with the PCA85176T and the PCF85176T, but with increased frame frequency from 110 Hz to 200 Hz.

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PCF21219


2 lines by 20 Character Chip-On-Glass LCD driver, pin-to-pin compatible with the PCF2119, but with increased frame frequency from 95 Hz to 225 Hz.

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Note that all the new Chip-On-Glass (COG) and packaged LCD drivers have been specifically designed to meet the strictest VA requirements. The maximum value of the VLCD voltage has been increased to 9.0V in the drivers with multiplex drive mode up to 1:8, to 12V in the drivers with multiplex drive mode up to 1:9 (PCA8538UG) and to 16V in the drivers with multiplex drive mode up to 1:18 (PCA8539DUG). Similarly, the frame frequency has been designed programmable in a wider range typically from 60Hz up to 300Hz or even up to 360Hz as in the drivers with multiplex rate up to 1:18.