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ILI9881C: High-Performance a-Si TFT LCD Single-Chip Driver

The ILI9881C is a high-performance a-Si TFT LCD single-chip driver developed by ILI Technology Corp. With its excellent display performance and flexible configuration options, this driver meets the modern display device requirements for high resolution and color accuracy. This article will detail the supported resolutions, interfaces, and power supply voltage of the ILI9881C.

 

Introduction to the ILI9881C:

The ILI9881C is a 16.7M SoC (System on Chip) driver. It consists of a 2024-channel source driver, a gate IC level shifter, and a power supply circuit, designed to drive a maximum resolution of 800(RGB) x 1280 pixels for TFT LCD screens.

 

Supported Resolutions:

The ILI9881C supports a variety of display resolutions, providing flexible options for different application scenarios. The supported resolutions include 800(RGB) x 1024, 768(RGB) x 1024, 720(RGB) x 1024, 640(RGB) x 1024, and more. Whether for high-definition displays with higher resolution requirements or portable devices that need special resource considerations, the ILI9881C can provide suitable resolution solutions to deliver clear and accurate visual experiences to users.

 ILI9881C block diagram

Supported Interfaces:

The ILI9881C uses the MIPI DSI interface, a high-efficiency serial interface standard. This interface provides high-speed data transmission capabilities and supports multiple data channel configurations to meet different data transmission rate requirements:

        1. 2 data channels: Maximum speed of up to 850Mbps, suitable for applications requiring high data transfer      rates.

        2. 3 data channels: Maximum speed of up to 750Mbps, offering high data transfer rates and flexibility.

        3. 4 data channels: Maximum speed of up to 650Mbps, ideal for applications requiring multiple data channels to enhance data throughput.

 

Power Supply Voltage:

The ILI9881C has a wide power supply voltage range, making it adaptable to various power environments. The specific power supply voltage requirements are as follows:

        1. VCI (Analog Circuit Power Supply): 2.5V ~ 6.6V, providing stable power for analog circuits.

        2. VDDI (I/O Interface Power Supply): 1.65V ~ 3.6V, ensuring stable operation of I/O interfaces.

        3. VCC1 and VCC2 (Digital Logic Power Supply): 1.65V ~ 6.6V, powering digital logic circuits.

        4. VDDAM (MIPI DSI Regulator Power Supply): 1.65V ~ 3.6V, ensuring stable operation of the MIPI DSI interface.

        5. VSP and VSN (Pump Power Supply): VSP is 4.5V ~ 6.6V, and VSN is -6.6V ~ -4.5V, used to drive the LCD display.

        6. OTP Programming Voltage (MTP_PWR): The OTP programming voltage is fixed at 8.5V.

 TFT LCD  screen

As a high-performance TFT LCD single-chip driver, the ILI9881C meets the market demand for high-performance display drivers with its support for multiple resolutions, flexible MIPI DSI interface configurations, and a wide power supply voltage range. Whether in industrial control, smart home, or automotive applications, the ILI9881C provides stable and reliable display performance.

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