Description
4-Inch TFT LCD Screen: Unveiling High Performance and Versatility
High PPI 4-Inch TFT LCD
The SHENZHEN TECHSTAR ELECTRONICS INCORPORATED CO., LTD SF-TO400AS-8986A-N presents a 4-inch full TFT-LCD display with a resolution of 540 (RGB)X 1080 dots (540 horizontal by 1080 vertical pixels array). The driving voltage (VCC) for the LCD panel ranges from 2.4V to 3.3V, with a typical voltage of 2.8V, and it supports the MIPI interface. This display is suitable for various applications, including embedded systems, automation, GPS, medical equipment, industrial devices, smart homes, and security equipment that demand a TFT display offering high-quality, colorful images.
The SF-TO400AS-8986A-N features an IPS-LCD type (IPS stands for In-plane Switching) TFT with a brightness rating of 350 cd/m2 (typical value), which can be customized to achieve up to 1000 nits. For more information on customized brightness levels, please contact our sales team. Operating temperatures for this display range from -20℃ to +70℃, with storage temperatures extending from -30℃ to +80℃.
Product Features
| Product: | 4″ Inch IPS TFT LCD |
| Resolution: | 540×1080 Pixels |
| Viewing Direction: | IPS All Viewing Angles |
| Touch Screen: | Without |
| Cover Lens: | Can Be Customized |
| Surface Luminance: | 350 Cd/m2 |
| Interface: | MIPI (Customizable) |
| Pin Number: | 30 Pins |
| Connection: | Connector Type |
| Driver IC: | ST7703 |
| Operating Temp.: | -20℃ To +70℃ |
| Compliance: | REACH & RoHS Compliant |
TFT LCD 4 Inch 540×1080 With MIPI Interface Product Drawing
Interface Pin Definition
| NO | SYMBOL | FUNCTION |
| 1 | RST_LCM | This signal will reset the device and it must be applied to properly initialize the chip. Signal is active low. |
| 2 | TE_LCM | Tearing effect signal is used to synchronize MCU to frame memory writing. |
| 3 | GND | Power Ground |
| 4 | TDP0 | MIPI Data Lane |
| 5 | TDN0 | MIPI Data Lane |
| 6 | GND | Power Ground |
| 7 | TDP1 | MIPI Data Lane |
| 8 | TDN1 | MIPI Data Lane |
| 9 | GND | Power Ground |
| 10 | TDP2 | MIPI Data Lane |
| 11 | TDN2 | MIPI Data Lane |
| 12 | GND | Power Ground |
| 13 | TDP3 | MIPI Data Lane |
| 14 | TDN3 | MIPI Data Lane |
| 15 | GND | Power Ground |
| 16 | TCP | MIPIÂ Clk |
| 17 | TCN | MIPIÂ Clk |
| 18 | GND | Power Ground |
| 19 | IOVCC1.8V | Power Supply for I/O system. IOVCC= 1.65V~3.3V. |
| 20 | LEDA | LED Anode |
| 21 | LEDK | LEDÂ Cathode |
| 22 | ID1 | ID |
| 23 | NC | NC |
| 24 | VDD2V8 | Power Supply for Analog, VDD=2.5V~3.3V. |
| 25 | NC | NC |
| 26 | SDA_CTP | I²C data signal of Touch Panel；If no used ，let this pin open. |
| 27 | SCL_CTP | I²C clock signal of Touch Panel；If no used ，let this pin open. |
| 28 | EINT_CTP | Interrupt signal to main processor of Touch Panel；If no used ，let this pin open. |
| 29 | RST_CTP | System reset of Touch Panel；If no used ，let this pin open. |
| 30 | VDD2.8_CTP | Power Supply for Analog, VDD=2.4V~3.3V. |
Absolute Maximum Ratings
| Item | Symbol | Min. | Max. | Unit | |
| Supply Voltage | Power supply | VDD | -0.3 | +4.6 | V |
| Analog | – | – | – | V | |
| IO | IOVDD | -0.3 | +4.6 | V | |
| Input Voltage | Vi | -0.3 | IOVDD+0.3 | V | |
| Storage temperature | Tstg | -30 | +70 | ºC | |
| Operating temperature | Top | -20 | +60 | ºC | |
| Storage humidity | Hstg | 10 | Note 1 | %RH | |
| Operating humidity | Hop | 10 | Note 1 | %RH | |
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DC Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit | |
| Supply Voltage | Power supply | VDD | 2.4 | 2.8 | 3.3 | V |
| Analog | VCI | 2.4 | 2.8 | 3.3 | V | |
| IO | IOVDD | 1.65 | 1.8/2.8 | 3.3 | V | |
| Logic Low input voltage | VIL | -0.3IOVDD | – | 0.3IOVDD | V | |
| Logic High input voltage | VIH | 0.7IOVDD | – | IOVDD | V | |
| Logic Low output voltage | VOL | – | – | 0.2IOVDD | V | |
| Logic High output voltage | VOH | 0.8IOVDD | – | – | V | |
| Current Consumption | Normal display | Ivdd | – | 50 | – | mA |
| Standby mode | Ivdd | – | 30 | – | uA | |
| Frame Frequency | fFR | – | 60 | – | Hz | |
TFT LCD 4 Inch 540×1080 With MIPI Interface Product Image
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