Overview
The PCF8551BTT/AY is a single-chip LCD controller and driver produced by NXP USA Inc. This component is designed to manage and drive LCD displays efficiently, offering a wide range of features and configurations. It is particularly suited for applications requiring low power consumption and versatile display control.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 1.8 V to 5.5 V |
| Temperature Range | -40 °C to 85 °C |
| Interface | SPI-bus (PCF8551B) |
| Segment Drivers | 36 segment drivers |
| Backplane Drivers | 4 backplane drivers |
| Display Bias Configuration | Static, 1/2, or 1/3 |
| Backplane Drive Configuration | Static, 2, 3, or 4 backplane multiplexing |
| Package Type | TSSOP48 |
| Internal Oscillator | Yes, with external oscillator input option |
Key Features
- Ultra low-power operation
- 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
- 36 segment drives capable of driving up to 18 7-segment numeric characters, up to 9 14-segment alphanumeric characters, or any graphics of up to 144 segments/elements
- Auto-incrementing display data and instruction loading
- Versatile blinking modes
- Internal oscillator with the option to use an external oscillator
- Power-On Reset (POR) enable/disable feature
Applications
- LCD displays in consumer electronics
- Industrial control panels
- Medical devices with LCD displays
- Automotive displays
- Any application requiring low-power, versatile LCD control
Q & A
- What is the supply voltage range of the PCF8551BTT/AY?
The supply voltage range is 1.8 V to 5.5 V.
- What is the temperature range of the PCF8551BTT/AY?
The temperature range is -40 °C to 85 °C.
- What type of interface does the PCF8551BTT/AY use?
The PCF8551BTT/AY uses an SPI-bus interface.
- How many segment drivers does the PCF8551BTT/AY have?
The PCF8551BTT/AY has 36 segment drivers.
- What are the backplane drive configurations available on the PCF8551BTT/AY?
The available configurations are static, 2, 3, or 4 backplane multiplexing.
- Does the PCF8551BTT/AY have an internal oscillator?
Yes, it has an internal oscillator with the option to use an external oscillator.
- What is the package type of the PCF8551BTT/AY?
The package type is TSSOP48).
- Can the PCF8551BTT/AY be used in automotive applications?
Yes, it can be used in automotive displays due to its wide temperature range and low power consumption).
- Does the PCF8551BTT/AY support Power-On Reset (POR)?
Yes, it supports Power-On Reset (POR) with enable/disable feature).
- What types of LCD characters can the PCF8551BTT/AY drive?
The PCF8551BTT/AY can drive up to 18 7-segment numeric characters, up to 9 14-segment alphanumeric characters, or any graphics of up to 144 segments/elements).
