Overview
The PCA8561AHN/AY is an ultra-low-power LCD segment driver designed by NXP USA Inc. This component is specifically tailored for automotive and other low-power applications, offering a comprehensive solution for driving LCD displays. It features a compact HVQFN32 package, making it ideal for space-constrained designs. The PCA8561AHN/AY integrates an internal oscillator, bias generation, instruction decoding, and a display controller, providing a single-chip solution for LCD control and driving.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCA8561AHN/AY |
| Package | 32-VFQFN Exposed Pad (5x5 mm) |
| Interface | 400 kHz I2C-bus (PCA8561AHN), 5 MHz SPI-bus (PCA8561BHN) |
| Power Supply | 1.8 V to 5.5 V for VLCD and VDD |
| Output Configuration | 18 segment drives, 4 backplane outputs |
| Display Capabilities | Up to 9 7-segment numeric characters, up to 4 14-segment alphanumeric characters, or any graphics of up to 72 segments/elements |
| Compliance | AEC-Q100 grade 2 (up to 105 °C) compliant for automotive applications, RoHS compliant |
| Quiescent Current | 1.8 μA |
Key Features
- 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 buffers
- Auto-incrementing display data and instruction loading
- Versatile blinking modes
- Independent supplies of VLCD and VDD
- Ultra-low power consumption
- Internally generated or externally supplied clock signal
Applications
- Small displays integrated in car instrument clusters and control knobs
- Battery-operated applications
- Healthcare devices
Q & A
- What is the PCA8561AHN/AY used for?
The PCA8561AHN/AY is used as an LCD segment driver, particularly in automotive and low-power applications.
- What are the key interfaces supported by the PCA8561AHN/AY?
The PCA8561AHN/AY supports 400 kHz I2C-bus and 5 MHz SPI-bus interfaces.
- What is the power supply range for the PCA8561AHN/AY?
The power supply range is from 1.8 V to 5.5 V for both VLCD and VDD.
- What display configurations can the PCA8561AHN/AY support?
It can support up to 9 7-segment numeric characters, up to 4 14-segment alphanumeric characters, or any graphics of up to 72 segments/elements.
- Is the PCA8561AHN/AY compliant with automotive standards?
Yes, it is AEC-Q100 grade 2 (up to 105 °C) compliant for automotive applications.
- What is the quiescent current of the PCA8561AHN/AY?
The quiescent current is 1.8 μA.
- What package type does the PCA8561AHN/AY come in?
The PCA8561AHN/AY comes in a 32-VFQFN Exposed Pad package (5x5 mm).
- Does the PCA8561AHN/AY support internal clock generation?
Yes, it supports internally generated or externally supplied clock signals.
- What are some common applications of the PCA8561AHN/AY?
Common applications include small displays in car instrument clusters, control knobs, battery-operated devices, and healthcare devices.
- Is the PCA8561AHN/AY RoHS compliant?
Yes, the PCA8561AHN/AY is RoHS compliant.
