Overview
The PCF8576CT/1,118 is a universal LCD driver designed by NXP USA Inc. for low multiplex rates. This integrated circuit is a peripheral device that interfaces with almost any Liquid Crystal Display (LCD), making it highly versatile for various display configurations. It is particularly suited for applications requiring the drive of static or multiplexed LCDs with up to four backplanes and up to 40 segments. The device 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
| Parameter | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCF8576CT/1,118 |
| Package / Case | 56-BSOP (0.435", 11.05mm width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 2 V ~ 6 V |
| Current - Supply | 120 μA |
| Interface | I²C, 2-wire serial |
| Display Type | LCD |
| Display Configuration | 7 segment + DP, 14 segment + DP + AP, Dot Matrix |
| Packaging | Tape & Reel (TR) |
Key Features
- Single-chip LCD controller and driver capable of driving up to four backplanes and up to 40 segments.
- Supports various display configurations including 7-segment, 14-segment, and dot matrix displays.
- Communicates via a two-line bidirectional I2C-bus with display RAM and auto-incremented addressing.
- No external components required, 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.
- Low power consumption with a power-saving mode for battery-operated applications.
- May be cascaded for large LCD applications (up to 2560 elements possible).
Applications
- LCD displays in consumer electronics, such as telephones, calculators, and other handheld devices.
- Industrial control panels and displays.
- Automotive displays and instrument clusters.
- Medical devices requiring LCD displays.
- Battery-operated devices where low power consumption is critical.
Q & A
- What is the primary function of the PCF8576CT/1,118?
The primary function of the PCF8576CT/1,118 is to act as a universal LCD driver for low multiplex rates, interfacing with various LCD displays.
- What types of LCD displays can the PCF8576CT/1,118 support?
The PCF8576CT/1,118 can support 7-segment, 14-segment, and dot matrix LCD displays.
- What is the communication interface used by the PCF8576CT/1,118?
The device communicates via a two-line bidirectional I2C-bus.
- What is the operating temperature range of the PCF8576CT/1,118?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the PCF8576CT/1,118?
The supply voltage range is from 2 V to 6 V.
- Does the PCF8576CT/1,118 require external components for operation?
No, the PCF8576CT/1,118 does not require external components, even in multiple device applications.
- Can the PCF8576CT/1,118 be cascaded for larger LCD applications?
- What is the power consumption of the PCF8576CT/1,118?
The device has low power consumption, with a power-saving mode for extremely low power in battery-operated applications.
- Is the PCF8576CT/1,118 RoHS compliant?
- What is the packaging type for the PCF8576CT/1,118?
The device is packaged in Tape & Reel (TR) format.
