Overview
The PCA85133U/2DA/Q1Z is an automotive LCD driver designed by NXP USA Inc. for low multiplex rates. This peripheral device is capable of interfacing with a wide range of Liquid Crystal Displays (LCDs), including static and multiplexed displays. It is particularly suited for automotive applications due to its AEC-Q100 compliance. The device supports various display configurations and can be easily integrated with most microcontrollers via a two-line bidirectional I2C-bus interface.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCA85133U/2DA/Q1Z |
| Package | Bare die (110 bumps; 4.16 x 1.07 x 0.40 mm) |
| Voltage - Supply | 1.8V to 5.5V |
| Pin Count | 110 |
| Configuration | 7 Segment + DP, 14 Segment + DP + AP, Dot Matrix |
| Interface | 400 kHz I2C-bus |
| Display Type | Static or multiplexed LCD with up to four backplanes and up to 80 segments |
| Segment Drives | Up to 40 7-segment alphanumeric characters, up to 20 14-segment alphanumeric characters, or any graphics of up to 320 elements |
| Display RAM | 80 x 4 bit RAM for display data storage |
| Temperature Range | Up to 95°C |
Key Features
- AEC-Q100 compliant for automotive applications
- Single-chip LCD controller and driver
- Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
- Selectable display bias configuration: static, 1/2, or 1/3
- Selectable frame frequency: 82 Hz or 110 Hz
- Internal LCD bias generation with voltage-follower buffers
- Auto-incremental display data loading across device subaddress boundaries
- Display memory bank switching in static and duplex drive modes
- Versatile blinking modes
- Independent supplies possible for LCD and logic voltages
- No external components needed
- Compatible with Chip-On-Glass (COG) technology
- Manufactured using silicon gate CMOS process
Applications
The PCA85133U/2DA/Q1Z is primarily used in automotive applications due to its AEC-Q100 compliance. It is suitable for various LCD displays in vehicles, including instrument clusters, infotainment systems, and other automotive interfaces. Additionally, it can be used in industrial and consumer electronics where low multiplex rate LCDs are required.
Q & A
- What is the PCA85133U/2DA/Q1Z used for?
The PCA85133U/2DA/Q1Z is an automotive LCD driver used to interface with and control Liquid Crystal Displays (LCDs) in various applications, particularly in the automotive sector.
- What is the voltage supply range for the PCA85133U/2DA/Q1Z?
The device operates within a voltage supply range of 1.8V to 5.5V.
- What types of LCD configurations does the PCA85133U/2DA/Q1Z support?
The device supports static and multiplexed LCD configurations with up to four backplanes and up to 80 segments.
- How does the PCA85133U/2DA/Q1Z communicate with microcontrollers?
The device communicates via a 400 kHz two-line bidirectional I2C-bus interface.
- What is the temperature range for the PCA85133U/2DA/Q1Z?
The device can operate up to a temperature of 95°C.
- Is the PCA85133U/2DA/Q1Z AEC-Q100 compliant?
Yes, the PCA85133U/2DA/Q1Z is AEC-Q100 compliant, making it suitable for automotive applications.
- Can the PCA85133U/2DA/Q1Z be cascaded for larger LCD applications?
Yes, the device can be cascaded to support larger LCD applications, up to 5120 segments.
- What display bias configurations are available on the PCA85133U/2DA/Q1Z?
The device supports static, 1/2, or 1/3 display bias configurations.
- Does the PCA85133U/2DA/Q1Z require external components?
No, the PCA85133U/2DA/Q1Z does not require external components.
- Is the PCA85133U/2DA/Q1Z compatible with Chip-On-Glass (COG) technology?
Yes, the device is compatible with Chip-On-Glass (COG) technology.
