Overview
The PCA85176T/Q900/1Y is a 40 x 4 automotive LCD driver designed by NXP USA Inc. for low multiplex rates. This device is a peripheral component that interfaces with almost any Liquid Crystal Display (LCD) and is particularly suited for automotive applications such as in-car entertainment systems, navigation, and infotainment. It is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus, minimizing communication overheads through features like display RAM with auto-incremented addressing and hardware subaddressing.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | NXP Semiconductors |
| Voltage - Supply | 1.8V ~ 5.5V |
| Supplier Device Package | 56-TSSOP |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) |
| Operating Temperature | -40°C ~ 95°C |
| Mounting Type | Surface Mount |
| Interface | I²C |
| Display Type | LCD |
| Configuration | 40 Segment |
| Current - Supply | 3.5 µA |
| RoHs Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
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
- Internal LCD bias generation with voltage-follower buffers
- 40 segment drives: up to 20 7-segment numeric characters, up to 10 14-segment alphanumeric characters, or any graphics of up to 160 segments/elements
- 40 × 4-bit RAM for display data storage
- Auto-incremented 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
- Wide power supply range: from 1.8 V to 5.5 V
- Low power consumption
- Extended temperature range up to 95 °C
- 400 kHz I2C-bus interface
- No external components required
- Manufactured in silicon gate CMOS process
Applications
The PCA85176T/Q900/1Y is particularly suitable for various automotive applications, including:
- In-car entertainment systems
- Navigation systems
- Infotainment systems
- Vehicle clusters and instrument panels
- Any LCD display requiring low multiplex rates to reduce flicker and improve display quality
Q & A
- What is the primary function of the PCA85176T/Q900/1Y?
The PCA85176T/Q900/1Y is a 40 x 4 automotive LCD driver designed to generate drive signals for LCD displays with low multiplex rates.
- What is the operating temperature range of the PCA85176T/Q900/1Y?
The operating temperature range is -40°C to 95°C.
- What type of interface does the PCA85176T/Q900/1Y use?
The device communicates via a two-line bidirectional I2C-bus.
- What is the power supply voltage range for the PCA85176T/Q900/1Y?
The power supply voltage range is from 1.8 V to 5.5 V.
- Is the PCA85176T/Q900/1Y RoHS compliant?
- What types of LCD configurations does the PCA85176T/Q900/1Y support?
The device supports up to 20 7-segment numeric characters, up to 10 14-segment alphanumeric characters, or any graphics of up to 160 segments/elements.
- Can the PCA85176T/Q900/1Y be cascaded for larger LCD applications?
- What is the current supply requirement for the PCA85176T/Q900/1Y?
The current supply requirement is 3.5 µA.
- Is the PCA85176T/Q900/1Y AEC-Q100 compliant?
- What is the package type of the PCA85176T/Q900/1Y?
The device is packaged in a 56-TSSOP (Thin Shrink Small Outline Package).
