PCA8538UG

Automotive 102 x 9 Chip-On-Glass LCD segment driver


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The PCA8538 is a fully featured Chip-On-Glass (COG) Liquid Crystal Display (LCD) driver, designed for high-contrast Vertical Alignment (VA) LCD with multiplex rates up to 1:9. It generates the drive signals for a static or multiplexed LCD containing up to 9 backplanes, 102 segments, and up to 918 elements. The PCA8538 features an internal charge pump with internal capacitors for on-chip generation of the LCD driving voltage. To ensure an optimal and stable contrast over the full temperature range, the PCA8538 offers a programmable temperature compensation of the LCD supply voltage. The PCA8538 can be easily controlled by a microcontroller through either the two-line I²C-bus or a four-line bidirectional SPI-bus.

Features and benefits

  • AEC Q100 grade 2 compliant for automotive applications
  • Low power consumption
  • Extended operating temperature range from -40 °C to +105 °C
  • 102 segments and 9 backplanes allowing to drive:
    • up to 114 7-segment numeric characters
    • up to 57 14-segment alphanumeric characters
    • any graphics of up to 918 elements
  • 918-bit RAM for display data storage
  • Two sets of backplane outputs providing higher flexibility for optimal COG layout configurations
  • Up to 4 chips can be cascaded to drive larger displays with an internally generated or externally supplied VLCD
  • Selectable backplane drive configuration: static, 2, 4, 6, 8, or 9 backplane multiplexing
  • LCD supply voltage:
    • Programmable internal charge pump for on-chip LCD voltage generation up to 5 x VDD2
    • External LCD voltage supply possible as well
  • Selectable 400 kHz I²C-bus or 6.5 MHz SPI-bus interface
  • Selectable linear temperature compensation of VLCD
  • Selectable display bias configuration
  • Wide range for digital and analog power supply: from 2.5 V to 5.5 V
  • Wide LCD voltage range from 4.0 V for low threshold LCDs up to 12.0 V for high threshold twisted nematic and Vertical Alignment (VA) displays
  • Display memory bank switching in static, duplex, and quadruplex drive modes
  • Programmable frame frequency in the range of 45 Hz to 300 Hz; factory calibrated with a tolerance of ±3 Hz (at 80 Hz)
  • Selectable inversion scheme for LCD driving waveforms: frame or n-line inversion
  • Diagnostic features for status monitoring
  • Integrated temperature sensor with temperature readout
  • On chip calibration of internal oscillator frequency and VLCD
  • Laser marking at the back-side of the die for traceability of the lot number, wafer number, and die position on the wafer

Applications

Automotive

  • Instrument clusters
  • Climate control
  • Car entertainment
  • Car radio

Industrial

  • Consumer
  • Medical and health care
  • Measuring equipment
  • Machine control systems
  • Information boards
  • White goods
  • General-purpose display modules
All information on this product information page is subject to the subsequent disclaimers:
Go to the parametric search
Parametric search

Demo boards

OM13501OM13501

PCA8538 evaluation board OM13501

OM13501AOM13501A

PCA8538 evaluation board OM13501A


Parametrics of this product

Type numberPackage versionMax number of elementsElements of MUX 1:1Elements of MUX 1:2Elements of MUX 1:4Elements of MUX 1:6Elements of MUX 1:8Package nameAEC-Q100 compliantSPI-busI²C-busI²C speedVDD1 [min] (V)VDD1 [max] (V)VLCD [min] (V)VLCD [max] (V)Tamb [min] (C)Tamb [max] (C)ffr (Hz)SelectableCascade for larger conf
PCA8538UGNAU000816102204408612816NAU000YYYFast2.55.5412-40105300SELY

Similar products

Package

Type numberPackageOutline versionReflow-/Wave solderingPackingProduct statusMarkingOrderable part number, (Ordering code (12NC))
PCA8538UG/2DA/Q1
()Uncased die
ActiveStandard MarkingPCA8538UG/2DA/Q1Z
( 9353 014 33033 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL LF
PCA8538UG/2DA/Q1PCA8538UG/2DA/Q1ZPCA8538UG/2DA/Q1Always Pb-freeNANA
Quality and reliability disclaimer

Quality and reliability disclaimer

Important Legal Notice on the product/generic quality information, No Warranty

NXP Semiconductors is providing this data for your convenience only. Please note however that NO WARRANTY, REPRESENTATION, GUARANTEE OR LEGALLY BINDING PRODUCT DESCRIPTION is provided by publishing this informational data, nor does NXP Semiconductors acknowledge or accept any liability related thereto. The documentation and data on NXP Semiconductors products can be found in the data sheets as officially published by NXP Semiconductors. For all purchase of products from NXP Semiconductors the NXP Semiconductors' General Terms and Conditions of Commercial Sale will apply.

NXP SEMICONDUCTORS PROVIDES THE DATA HEREUNDER “AS IS” WITHOUT WARRANTY WHATSOEVER. NXP SEMICONDUCTORS DOES NOT WARRANT OR REPRESENT THAT ANY DATA PROVIDED ON THIS WEBSITE IS CORRECT OR FIT FOR A PARTICULAR PURPOSE WHATSOEVER. IT IS PROVIDED WITHOUT ANY WARRANTY WHATSOEVER, WHETHER EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, COMPLETENESS NONINFRINGEMENT OF INTELLECTUAL PROPERTY OR OTHERWISE AND MAY BE CHANGED, MODIFIED OR DELETED BY NXP SEMICONDUCTORS AT ANY TIME.

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IN NO EVENT SHALL NXP SEMICONDUCTORS, BE LIABLE FOR ANY DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, PUNITIVE, OR INCIDENTAL DAMAGES (INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS, BUSINESS INTERRUPTION, LOSS OF USE, LOSS OF DATA OR INFORMATION, AND THE LIKE) ARISING OUT OF THE USE OF THE DATA, WHETHER OR NOT BASED ON TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY, BREACH OF CONTRACT, BREACH OF WARRANTY OR ANY OTHER THEORY, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. NOTWITHSTANDING ANY DAMAGES THAT YOU MIGHT INCUR FOR ANY REASON WHATSOEVER (INCLUDING, WITHOUT LIMITATION, ALL DAMAGES REFERENCED ABOVE AND ALL GENERAL DAMAGES), THE ENTIRE LIABILITY OF NXP SEMICONDUCTORS, AND YOUR EXCLUSIVE REMEDY FOR ALL OF THE FOREGOING SHALL BE LIMITED TO ACTUAL DAMAGES INCURRED BY YOU BASED ON REASONABLE RELIANCE UP TO ONE DOLLARS (US$1.00). THE FOREGOING LIMITATIONS, EXCLUSIONS AND DISCLAIMERS SHALL APPLY TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, EVEN IF ANY REMEDY FAILS OF ITS ESSENTIAL PURPOSE.

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NXP Semiconductors' products are specifically designed and manufactured to be used within the electrical, thermal, mechanical and other parameters set forth in NXP Semiconductors' data sheets. Quality and reliability data provided by NXP Semiconductors, such as MTBF, MSL and FIT, is intended to be a non-binding estimate of product performance based upon diffusion process, history only. It does not imply that any performance levels reflected in such data can be met if the product is operated outside the conditions expressly stated in the latest published data sheet for a device or in your application.

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Documentation for this product

File nameTitleTypeFormatDate
PCA8538Automotive 102 x 9 Chip-On-Glass LCD segment driverData sheetpdf2013-11-25
AN10170Design guidelines for COG modules with NXP monochrome LCD driversApplication notepdf2014-08-04
AN10706Handling bare dieApplication notepdf2011-06-16
AN11267EMC and system level ESD design guidelines for LCD driversApplication notepdf2013-02-13
AN10853ESD and EMC sensitivity of ICApplication notepdf2013-03-14
AN11491Design and application guidelines for the COG LCD drivers PCF8538 and PCA8538Application notepdf2014-01-14
75017455Touch-sensitive segmented 9 x 102 displayLeafletpdf2013-08-08
R_10015Chip-On-Glass (COG) - a cost-effective and reliable technology for LCD displaysOther typepdf2012-06-18
UM10569Store and transport requirementsUser manualpdf2014-01-24
UM10726User manual for the PCA8538 evaluation board OM13501AUser manualpdf2013-07-19
UM10718OM13501, PCA8538 demo board user manualUser manualpdf2013-07-29
UM10782The NXP LCD driver with on-chip charge pump for the LCD supply voltage generationUser manualpdf2014-02-20

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
PCA8538UG/2DA/Q19353 014 33033PCA8538UG/2DA/Q1Z       

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Demo boards

OM13501OM13501

PCA8538 evaluation board OM13501

OM13501AOM13501A

PCA8538 evaluation board OM13501A

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