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DESCRIPTION
3.5″ TFT lcd screen display
HC-350HS5401 is a 3.5 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×240 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-350HS5401 module has built-in ST7272A controller IC, supports RGB interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 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 | 3.5 | inch |
| LCM Dimension | 76.84（W）* 63.84（H） * 3.30(T) | mm |
| LCD Active Area | 70.08 * 52.56 | mm |
| Number Of Dots | 320×240 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | IPS LCD | |
| Driver IC | ST7272A | |
| Interface Type | RGB | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 6 LEDs | |
| Brightness | 480 | cd/m2 |
| Display Mode | Normally Black |
Interface
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | K | BACKLIGHT CATHODE |
| 2 | K | BACKLIGHT CATHODE |
| 3 | A | BACKLIGHT ANODE |
| 4 | A | BACKLIGHT ANODE |
| 5-6 | NC | Not connect |
| 7 | RESET | Reset Pin |
| 8 | CS | Chip select |
| 9 | SCK | Serial clock input |
| 10 | SDI | Serial data input |
| 11 | SDO | Serial data output |
| 12-19 | B0-B7 | Blue data input |
| 20-27 | G0-G7 | Green data input |
| 28-35 | R0-R7 | Red data input |
| 36 | HSYNC | Horizontal sync signal |
| 37 | VSYNC | Vertical sync signal |
| 38 | PCLK | Pixel clock input pin |
| 39-40 | VDDIO | Power Supply for IO |
| 41-42 | VCI | Power Supply |
| 43 | REGVDD | Not connect |
| 44-47 | NC | Not connect |
| 48 | YU | Touch Panel Up (Not connect) |
| 49 | XL | Touch Panel Left (Not connect) |
| 50 | YD | Touch Panel Down (Not connect) |
| 51 | XR | Touch Panel Right (Not connect) |
| 52 | DE | Data input enable |
| 53-54 | GND | Ground |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | — | 15 | — | V |
| TFT gate off voltage | VGL | — | -10 | — | V |
| TFT common electrode Voltage | Vcom | — | 0 | — | V |
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog Supply Voltage | VCI | 3.0 | 3.3 | 3.6 | V |
| Digital Supply Voltage | VDD | 3.0 | 3.3 | 3.6 | V |
| I/O Supply Voltage | IOVCC | 3.0 | — | 3.6 | V |
| Input High Voltage | VIH | 0.7*IOVCC | – | IOVCC | V |
| Input Low Voltage | VIL | 0 | – | 0.3*IOVCC | V |
| Output High Voltage | VOH | — | – | – | V |
| Output Low Voltage | VOL | – | – | — | V |
Backlight Circuit Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| LED Current | IB | – | 20 | – | mA |
| LED Voltage | Vf | 16.8 | — | 19.8 | V |
| CIE | X | TBD | TBD | TBD | |
| Y | TBD | TBD | TBD | ||
| Brightness of LCM | L | –480 | — | cd/m2 |
Reliability Test Items
| Test Item | Test Parameters | Key factors for determining test results |
| 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 temperature/humidity | 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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