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NXP Semiconductors Electronic Components Datasheet

PCA8536 Datasheet

Automotive LCD driver

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PCA8536
Automotive LCD driver for low multiplex rates including a 6
channel PWM generator
Rev. 2 — 21 February 2012
Product data sheet
1. General description
The PCA8536 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 multiplexed LCD
containing up to eight backplanes, up to 44 segments, and up to 320 elements. The
PCA8536 is compatible with most microcontrollers and communicates via the two-line
bidirectional I2C-bus (PCA8536AT) or a three line unidirectional SPI-bus (PCA8536BT).
Communication overheads are minimized using a display RAM with auto-incremented
addressing.
The PCA8536 features an on-chip PWM controller for LED illumination. Up to six
independent channels can be configured. Each channel has 128 levels allowing the
possibility for two RGB controllers. Each of them provides over 2 million colors. Each
channel can also be used for static drive.
2. Features and benefits
AEC Q100 compliant for automotive applications.
Single-chip 320 segment LCD controller and driver with 6 channel PWM generator
6 channel PWM generator for backlight LED illumination
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
Low power consumption
Selectable backplane drive configuration: 4, 6, or 8 backplane multiplexing
LCD and logic supplies may be separated
320-bit RAM for display data storage
6 PWM outputs with a 7-bit resolution (128 steps) and drivers for external transistors
Programmable PWM frame frequency to avoid LCD backlight flickering
Extended temperature range up to 95 C
400 kHz I2C-bus interface (PCA8536AT)
5 MHz SPI-bus interface (PCA8536BT)
Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of 10 Hz;
factory calibrated
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.


NXP Semiconductors Electronic Components Datasheet

PCA8536 Datasheet

Automotive LCD driver

No Preview Available !

NXP Semiconductors
PCA8536
Automotive LCD low multiplex driver with 6 channel PWM generator
320 segments driven allowing:
up to 40 7-segment alphanumeric characters
up to 20 14-segment alphanumeric characters
any graphics of up to 320 elements
Manufactured in silicon gate CMOS process
3. Applications
Car Radio
Climate Control
Dash board display
4. Ordering information
Table 1. Ordering information
Type number
Interface Package
type
Name
Description
Version
PCA8536AT/Q900/1 I2C-bus TSSOP56 plastic thin shrink small outline
SOT364-1
package; 56 leads; body width 6.1 mm
PCA8536BT/Q900/1 SPI-bus TSSOP56 plastic thin shrink small outline
SOT364-1
package; 56 leads; body width 6.1 mm
5. Marking
Table 2. Marking codes
Type number
PCA8536AT/Q900/1
PCA8536BT/Q900/1
Marking code
PCA8536AT/Q900
PCA8536BT/Q900
PCA8536
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 21 February 2012
© NXP B.V. 2012. All rights reserved.
2 of 74


Part Number PCA8536
Description Automotive LCD driver
Maker NXP
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PCA8536 Datasheet PDF






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