Overview
The PCF8576CT/S480/1118 is a universal LCD driver designed by NXP Semiconductors. This integrated circuit is specifically tailored for driving Liquid Crystal Displays (LCDs) with low multiplex rates. It is part of the PCF8576C series, known for its versatility and efficiency in managing various LCD configurations.
This component is no longer in active production but remains widely used in legacy and specific applications due to its robust features and compatibility with a range of LCD types.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP Semiconductors / NXP USA Inc. |
| Package Type | 56-VSOP (0.435", 11.05mm Width) |
| Supply Voltage | 2 V to 6 V |
| Operating Temperature | -40°C to 85°C |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free / RoHS Status | Lead free / RoHS Compliant |
| Interface | I²C, 2-Wire Serial |
| Display Type | LCD (up to 40 segments, 10 characters, 20 characters, 160 elements) |
| Supply Current | 120µA |
| Backplane Drive Configuration | Static, 2, 3, or 4 backplane multiplexing |
| Display Bias Configuration | Static, 1⁄2, or 1⁄3 |
Key Features
- Single-chip LCD controller and driver capable of driving up to 40 segments, including up to twenty 7-segment alphanumeric characters, up to ten 14-segment alphanumeric characters, and any graphics of up to 160 elements.
- Supports versatile blinking modes and does not require external components, even in multiple device applications.
- 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 x 4-bit RAM for display data storage and auto-incremented display data loading across device subaddress boundaries.
- Display memory bank switching in static and duplex drive modes.
- Wide logic LCD supply range from 2 V to 6 V, accommodating both low-threshold and high-threshold twisted nematic LCDs.
- Low power consumption and a power-saving mode for extremely low power consumption in battery-operated applications.
- Can be cascaded for large LCD applications, supporting up to 2560 elements.
Applications
The PCF8576CT/S480/1118 is widely used in various applications requiring the control of LCD displays, including:
- Consumer electronics such as calculators, clocks, and other household appliances.
- Industrial control panels and displays.
- Automotive displays and instrumentation.
- Medical devices and equipment requiring LCD interfaces.
- Telecommunication devices and mobile phones.
Q & A
- What is the PCF8576CT/S480/1118 used for?
The PCF8576CT/S480/1118 is used as a universal LCD driver for controlling Liquid Crystal Displays (LCDs) with low multiplex rates.
- Who is the manufacturer of the PCF8576CT/S480/1118?
The manufacturer is NXP Semiconductors / NXP USA Inc.
- What is the package type of the PCF8576CT/S480/1118?
The package type is 56-VSOP (0.435", 11.05mm Width).
- What is the operating voltage range of the PCF8576CT/S480/1118?
The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the PCF8576CT/S480/1118?
The operating temperature range is -40°C to 85°C.
- Is the PCF8576CT/S480/1118 lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What interface does the PCF8576CT/S480/1118 use for communication?
The PCF8576CT/S480/1118 uses the I²C, 2-Wire Serial interface for communication.
- How many segments can the PCF8576CT/S480/1118 drive?
The PCF8576CT/S480/1118 can drive up to 40 segments.
- Can the PCF8576CT/S480/1118 be cascaded for larger LCD applications?
Yes, it can be cascaded to support up to 2560 elements.
- What are some common applications of the PCF8576CT/S480/1118?
Common applications include consumer electronics, industrial control panels, automotive displays, medical devices, and telecommunication devices.
