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NXP Semiconductors Electronic Components Datasheet

PCA8537 Datasheet

Automotive LCD driver

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PCA8537
Automotive LCD driver for multiplex rates up to 1:8
Rev. 2 — 7 April 2015
Product data sheet
1. General description
The PCA8537 is a fully featured Liquid Crystal Display (LCD)1 driver, specifically designed
for high-contrast Vertical Alignment (VA) LCD with multiplex rates up to 1:8. It generates
the drive signals for any static or multiplexed LCD containing up to eight backplanes,
46 segments, and up to 352 elements. The PCA8537 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 PCA8537 offers a
programmable temperature compensation of the LCD supply voltage. The PCA8537 can
be easily connected to a microcontroller by either the two-line I2C-bus (PCA8537AH) or a
three-line bidirectional SPI-bus (PCA8537BH).
For a selection of NXP LCD segment drivers, see Table 43 on page 72.
2. Features and benefits
AEC Q100 compliant for automotive applications.
Low-power single-chip LCD controller and driver
352 elements allowing to drive:
up to 44 7-segment alphanumeric characters
up to 22 14-segment alphanumeric characters
Selectable backplane drive configuration: static, 2, 4, 6, or 8 backplane multiplexing
Software programmable internal charge pump for on-chip LCD voltage generation up
to 9 V with internal capacitors
400 kHz I2C-bus interface (PCA8537AH)
5 MHz SPI-bus interface (PCA8537BH)
Programmable temperature compensation of VLCD in four regions
Selectable display bias configuration
Wide range for digital power supply: from 1.8 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 twisted nematic LCDs
Display memory bank switching in static, duplex, and quadruplex drive modes
352-bit RAM for display data storage
Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of 10 Hz;
factory calibrated
Integrated temperature sensor with temperature readout
On chip calibration of internal oscillator frequency and VLCD
Manufactured in silicon gate CMOS process
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.


NXP Semiconductors Electronic Components Datasheet

PCA8537 Datasheet

Automotive LCD driver

No Preview Available !

NXP Semiconductors
PCA8537
Automotive LCD driver for multiplex rates up to 1:8
3. Applications
Instrument cluster
Car radio
Climate control units
4. Ordering information
Table 1. Ordering information
Type number
Interface type
PCA8537AH
PCA8537BH
I2C-bus
SPI-bus
Package
Name
TQFP64
TQFP64
Description
plastic thin quad flat package;
64 leads; body 10 10 1.0 mm
plastic thin quad flat package;
64 leads; body 10 10 1.0 mm
4.1 Ordering options
Table 2. Ordering options
Product type number Orderable part number Sales item
(12NC)
Delivery form
PCA8537AH/Q900/1 PCA8537AH/Q900/1,5 935297895518 tape and reel, 13 inch, dry pack
PCA8537BH/Q900/1 PCA8537BH/Q900/1,5 935297896518 tape and reel, 13 inch, dry pack
5. Marking
Table 3. Marking codes
Type number
PCA8537AH/Q900/1
PCA8537BH/Q900/1
Marking code
PCA8537AH
PCA8537BH
Version
SOT357-1
SOT357-1
IC
revision
1
1
PCA8537
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 82


Part Number PCA8537
Description Automotive LCD driver
Maker NXP
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PCA8537 Datasheet PDF






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