High PPI 4" TFT, 4 inch MIPI TFT LCD 540*1080 Dots Product
Introduction
SAEF TECHNOLOGY SF-TO400AS-8986A-N is a 4 inch full TFT-LCD display
with 540 (RGB)X 1080 dots (540 horizontal by 1080 vertical pixels
array). The supply voltage (VCC) of driving LCD panel is from is
2.4V to 3.3V, typical voltage is 2.8V. and supporting MIPI
interface. It can be used in embedded systems, automation, GPS,
medical equipment, industrial device, smart home, security
equipment which requires TFT display in high quality and colorful
image.
SF-TO400AS-8986A-N is an IPS-LCD type ( IPS means In-plane
Switching) TFT with brightness 350 cd/m2 (typical value). the
brightness can be customized achieving 1000 nits. pls contact our
sales for more details. It can be operating at temperatures from
-20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
| Product: | 4" Inch IPS TFT LCD | Resolution: | 540x1080 Pixels |
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| Viewing Direction: | IPS All Viewing Angles | Touch Screen: | Without, Resistive And PCAP Optional |
|---|
| Cover Lens: | Can Be Customized | Surface Luminance: | 350 Cd/m2 ( Customizable) |
|---|
| Interface: | MIPI (Customizable) | Pin Number: | 30 Pins |
|---|
| Connection: | Connector Type ( Customizable) | Driver IC: | ST7703 |
|---|
| Operating Temp.: | -20℃ To +70℃ | Compliance: | REACH & RoHS Compliant |
|---|
High PPI TFT 4", 4 inch MIPI TFT LCD 540*1080 Dots 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 | MIPI Clk |
| 17 | TCN | MIPI 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 | LED 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 |
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 |
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