Design Files
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Automotive 60 X 4 LCD Segment Driver for Multiplex Rates Up to 1-4
The PCA85134 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) with low multiplex rates. It generates the drive signals for any static or multiplexed LCD containing up to four backplanes and up to 60 segments. It can be easily cascaded for larger LCD applications. The PCA85134 is compatible with most microcontrollers and communicates via the two-line bidirectional I²C-bus. Communication overheads are minimized by a display RAM with auto-incremented addressing, by hardware subaddressing, and by display memory switching (static and duplex drive modes).
Outline 3d SOT315-1
Product Details
Features
- AEC-Q100 compliant for automotive applications
- Single-chip LCD controller and driver
- Selectable backplane drive configurations: static, 2, 3, or 4 backplane multiplexing
- 60 segment outputs allowing to drive:
- 30 7-segment alphanumeric characters
- 15 14-segment alphanumeric characters
- Any graphics of up to 240 elements
- Cascading supported for larger applications
- 60 x 4-bit display data storage RAM
- Extended operating temperature range from -40 °C to +95 °C
- Wide LCD supply range: from 2.5 V for low threshold LCDs up to 8.0 V for high threshold twisted nematic LCDs
- Internal LCD bias generation with voltage follower buffers
- Selectable display bias configurations: static, 1/2, or 1/3
- Wide logic power supply range: from 1.8 V to 5.5 V
- LCD and logic supplies may be separated
- Low power consumption
- 400 kHz I²C-bus interface
- No external components required
- Display memory bank switching in static and duplex drive mode
- Versatile blinking modes
- Silicon gate CMOS process
Part numbers include: PCA85134H.
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Documentation
Quick reference to our documentation types.
1-5 of 8 documents
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Application Note
Cascading NXP LCD segment drivers
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Application Note
EMC and system level ESD design guidelines for LCD drivers
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Application Note
ESD and EMC sensitivity of IC
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Package Information
plastic low profile quad flat package; 80 leads; body 12 x 12 x 1.4 mm
Design Resources
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
2 engineering services
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Independent Design House (IDH)
Hardware Design Services
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Independent Design House (IDH)
Embedded Software Design
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