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Shenzhen Tianxianwei Technology Co., Ltd.
2 Years
| Ask Lasest Price | |
| Brand Name : | TXWEI |
| Model Number : | TXW395041B0 |
| Certification : | CE FCC ROHS |
| Price : | negotiation |
| Payment Terms : | L/C,D/A,D/P,T/T |
| Supply Ability : | 10000pcs |
| Delivery Time : | 7-16days |
TXW395041B0 3.95 inch 480×480 Round IPS TFT LCD Display Module, 3SPI+18RGB Interface, ST7102 Driver, 400 nits, -20~70 °C, Lead-Free, for Smart Switch / Mini-HMI
Vibrant 3.95" circular IPS display with 480×480 pixels, all-viewing-angle technology and 400 nits brightness. Driven by ST7102 IC via 3SPI+18RGB interface, the module delivers 16.7 M true-colour depth and smooth 60 Hz refresh. Only 74.66 × 76.54 × 2.06 mm, it drops straight into 86 wall-switch boxes, portable players or industrial mini-HMIs. Operating -20 °C~+70 °C, storage -30 °C~+80 °C, 30 000 h LED life. CE/FCC/RoHS/REACH ready, Linux & STM32 drivers open-source.
・Perfect square – 71.86 mm active area, Ø 86 mm cut-out friendly, 1:1 aspect ratio maximises pixel usage
・Daylight Readable – 400 cd/m² IPS panel, 800:1 contrast, 65 % NTSC, no colour shift at 80° viewing cone
・Dual IF Flexibility – 3SPI for fast register config + 18-bit RGB for pixel streaming, supports 60 fps video
・Wide-Temp Reliability – -20 °C~+70 °C operation, 96 h @ +80 °C / -30 °C passed, 10-cycle thermal shock
・Long-Life Backlight – 8-chip white LED array, 11.2-12.8 V @ 40 mA, 30 000 h to 50 % brightness, PWM dim 1-100 %
・Eco Design – lead-free SMT, halogen-free BLU, RoHS, REACH, CE, FCC Part 15 Class B certified
・Plug-and-Code – open-source STM32 / ESP32 / Linux driver, power-on sequence & RGB timing diagrams provided
・Mechanically Flat – 2.06 mm profile, 0.5 mm pitch FPC, optional 60/100 mm length, ESD ≥8 kV HBM
Product Parameters
Brand: TXWEI (Shenzhen Tianxianwei)
Model: TXW395041B0
Screen Size: 3.95 inch
Resolution: 480 × 480 pixels
Pixel Density: 169 PPI
Active Area: 71.86 × 70.18 mm
Outline (LCM): 74.66 × 76.54 × 2.06 mm
Weight: ~28 g
Display Type: IPS, Normally Black, RGB vertical stripe
Colour Depth: 16.7 M (18-bit RGB)
Viewing Direction: ALL (80°/80°/80°/80°)
Brightness: 400 cd/m² typ.
Contrast Ratio: 800:1
Backlight: 8 × white LED, edge-lit, PWM dimming
LED Life: 30 000 h @ 20 mA
Interface: 3-wire SPI (config) + 18-bit RGB (data), 40-pin 0.5 mm FPC
Supply Voltage: 2.8 V (VCI), 11.2-12.8 V (LED)
Operating Temp: -20 °C ~ +70 °C
Storage Temp: -30 °C ~ +80 °C
Humidity: 90 % RH max
ESD: ±8 kV contact, ±15 kV air
Compliance: CE, FCC, RoHS, REACH, halogen-free
Package: Tray + vacuum bag, 50 pcs/inner box
Warranty: 12 months
| Pin No. | Symbol | Functional |
| 1 | LEDA | Power supply for backlight anode input terminal. |
| 2 | LEDK1 | Power supply for backlight cathode input terminal. |
| 3 | LEDK2 | Power supply for backlight cathode input terminal. |
| 4 | GND | Power Ground |
| 5 | VCI 2.8V | Power Supply For LCD. |
| 6 | RESET 2.8V | Reset signal input terminal. Active at ‘L’. |
| 7 | NC | No Connection. |
| 8 | NC | No Connection. |
| 9 | SDA | Input/Output signal pin |
| 10 | SCK | Serial interface clock |
| 11 | CS | Chip select signal input pin |
| 12 | PCLK | Dot clock signal for RGB interface operation. |
| 13 | DE | Data enable signal for RGB interface operation. |
| 14 | VSYNC | Vertical (Frame) synchronizing input signal for RGB interface operation. |
| 15 | HSYNC | Horizontal (Line) synchronizing input signal for RGB interface operation. |
| 16 | DB0 | RGB interface data bus. |
| 17 | DB1 | RGB interface data bus. |
| 18 | DB2 | RGB interface data bus. |
| 19 | DB3 | RGB interface data bus. |
| 20 | DB4 | RGB interface data bus. |
| 21 | DB5 | RGB interface data bus. |
| 22 | DB6 | RGB interface data bus. |
| 23 | DB7 | RGB interface data bus. |
| 24 | DB8 | RGB interface data bus. |
| 25 | DB9 | RGB interface data bus. |
| 26 | DB10 | RGB interface data bus. |
| 27 | DB11 | RGB interface data bus. |
| 28 | DB12 | RGB interface data bus. |
| 29 | DB13 | RGB interface data bus. |
| 30 | DB14 | RGB interface data bus. |
| 31 | DB15 | RGB interface data bus. |
| 32 | DB16 | RGB interface data bus. |
| 33 | DB17 | RGB interface data bus. |
| 34 | GND | Power Ground |
| 35 | CTP_INT | Touch panel interrupt output |
| 36 | CTP_SDA | Touch panel I2C data |
| 37C | CTP_SCL | Touch panel I2C clock |
| 38 | CTP_RST | Touch panel reset |
| 39 | CTP_VCI | Touch panel Power supply 2.8~3.3V |
| 40 | GND | Power Ground |
Product drawing
square tft 3.95, 480x480 ips lcd, 18bit rgb display, st7102 driver, small square screen, 86 panel lcd, industrial mini hmi, wide temperature tft, lead-free lcd module
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