2.8 inch tft screen
►Resolution : 240×320 dots
►View Direction: IPS
►Interface: SPI
►Driver IC: ST7789V2
►RTP/CTP: Optional
►Brightness(cd/m²): 380
►Outline Dimension: 50.00 * 69.20*2.30(mm)
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DESCRIPTION
HC-280HI1206 is a 2.8 inch TFT LCD Screen module with optional resistive touch screen and capacitive touch screen control with a resolution of 240×320 pixels. This size TFT LCD monitor is portrait mode, TFT panel adopts IPS panel, Left: 80 / Right: 80 / Top: 80 / Bottom: 80 degrees (typical).Optional RTP or CTP.
This HC-280HI1206 module has built-in ST7789V2 controller IC, supports SPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 380 nits (typ), and the contrast ratio is 800:1. The module is automated , GPS navigator and other industrial ideal choice. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C
DRAWING
SPECIFICATIONS
General Specifications
| Item | Contents | Unit |
| Size | 2.8 | inch |
| LCM Dimension | 50.00（W）* 69.20（H） *2.30(T) | mm |
| LCD Active Area | 43.20* 57.60 | mm |
| Number Of Dots | 240×320 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | IPS | |
| Driver IC | ST7789V2 | |
| Interface Type | SPI | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 4 LEDs | |
| Brightness | 380 | Cd/m2 |
Interface
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | LEDK | Backlight cathode. |
| 2 | LEDA | Backlight anode. |
| 3 | GND | Power supply Ground. |
| 4 | VCC | Analog power supply. |
| 5 | IOVCC | Interface circuit power supply. |
| 6 | TE | Frame mark. |
| 7 | CS | Chip enable, Low-active. |
| 8 | RESET | Reset signal, keep Low for more than 10ms after power-on. |
| 9 | DC | Destination register selection. |
| 10 | SCLK | SPI clock signal, rising-edge-trigger. |
| 11 | SDA | SPI data signal. |
| 12 | GND | Power supply Ground. |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | — | 15 | — | V |
| TFT gate off voltage | VGL | — | -7.5 | — | V |
| TFT common electrode Voltage | Vcom | — | -1 | — | V |
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog Supply Voltage | VCI | 2.5 | 2.8 | 3.3 | V |
| Digital Supply Voltage | VDD | 2.5 | 2.8 | 3.3 | V |
| I/O Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
| Input High Voltage | VIH | 0.8*IOVCC | – | IOVCC | V |
| Input Low Voltage | VIL | 0 | – | 0.2*IOVCC | V |
| Output High Voltage | VOH | 0.8*IOVCC | – | – | V |
| Output Low Voltage | VOL | – | – | 0.2*IOVCC | V |
Backlight Circuit Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| LED Current | IB | 60 | 80 | — | mA |
| LED Voltage | Vf | 2.8 | 3.0 | 3.2 | V |
| CIE | X | 0.25 | 0.30 | 0.35 | |
| Y | 0.26 | 0.31 | 0.36 | ||
| Brightness of LCM | L | 230 | 380 | — | cd/m2 |
Reliability Test Items
| Test Item | Test Condition | Test result determinant gist |
| High temperature storage | 80±3 ℃，48H； | |
| Low temperature storage | ~30±3 ℃，48H； | |
| High temperature storage | 70±3 ℃，48H； | Inspection after 2~4hours storage at roomtemperature, |
| Low temperature operation | ~20±3 ℃，48H； | the sample shall be free from defects: |
| High temperaturehumi/dity | 60℃±3 ℃,90%±3%RH ，48H； | 1.Air bubble in the LCD; |
| Thermal Shock | ~20℃/0.5h~+70℃/0.5h for a total 24 cycles； |
2.Non-display; |
|
Vibration Test |
Frequency 10Hz~55Hz~10Hz | 3.Glass crack; |
| Amplitude：1.5mm, X，Y，Z | ||
| direction for total 1H； | 4. The electrical | |
| (Packing condition) | ||
|
ESD test |
±4KV, Human Body Mode, | characteristics requirements shall be satisfied. |
| 150pF/330Ω； | ||
| ±8KV, Air Mode, 150pF/330Ω； |
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