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NXP Semiconductors Electronic Components Datasheet

PCA8543 Datasheet

automotive LCD segment driver

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PCA8543
4 x 60 automotive LCD segment driver with integrated charge
pump
Rev. 2 — 7 April 2015
Product data sheet
1. General description
The PCA8543 is a peripheral device which interfaces to almost any Liquid Crystal Display
(LCD)1 with low multiplex rates. It generates the drive signals for any static or multiplexed
LCD containing up to four backplanes, 60 segments, and up to 240 elements. The
PCA8543 is compatible with most microcontrollers and communicates via the two-line
bidirectional I2C-bus. Communication overheads are minimized using a display RAM with
auto-incremented addressing and display memory switching. The PCA8543 features an
internal charge pump with internal capacitors for on-chip generation of the LCD driving
voltages.
For a selection of NXP LCD segment drivers, see Table 40 on page 59.
2. Features and benefits
AEC Q100 grade 2 compliant for automotive applications
Low power consumption
Extended operating temperature range from 40 C to +105 C
60 segments and 4 backplanes allowing to drive:
up to 30 7-segment alphanumeric characters
up to 15 14-segment alphanumeric characters
any graphics of up to 240 elements
Selectable backplane drive configuration: static, 2, or 4 backplane multiplexing
Programmable internal charge pump for on-chip LCD voltage generation up to
3 VDD2
400 kHz I2C-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 supply range: from 2.5 V for low threshold LCDs and up to 9.0 V for high
threshold (automobile) twisted nematic LCDs
On-chip RAM for display data storage arranged in two banks
Display memory bank switching
Programmable frame frequency in steps of 10 Hz in the range of 60 Hz to 300 Hz;
factory calibrated with a tolerance of 15 % covering the whole temperature and
voltage range
Selectable inversion scheme for LCD driving waveforms: frame or line inversion
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 19 on page 61.


NXP Semiconductors Electronic Components Datasheet

PCA8543 Datasheet

automotive LCD segment driver

No Preview Available !

NXP Semiconductors
PCA8543
4 x 60 automotive LCD segment driver with integrated charge pump
Integrated temperature sensor with temperature readout
On chip calibration of internal oscillator frequency and VLCD
3. Applications
Instrument cluster
Car radio
Climate control units
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
PCA8543AHL
LQFP80
plastic low profile quad flat package; 80 leads;
body 12 12 1.4 mm
Version
SOT315-1
4.1 Ordering options
Table 2. Ordering options
Product type number
Sales item (12NC) Orderable part
number
PCA8543AHL/A
935303762518
PCA8543AHL/AY
5. Marking
IC
revision
1
Delivery form
tape and reel, 13 inch, dry pack
Table 3. Marking codes
Type number
PCA8543AHL
Marking code
PCA8543AHL
PCA8543
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 7 April 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
2 of 69


Part Number PCA8543
Description automotive LCD segment driver
Maker NXP
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PCA8543 Datasheet PDF






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