DESCRIPTION
HC-220BI4501 is a 2.2 inch tft lcd screen 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 with wider viewing angle by POL adjustment, left: 45/right: 45/up: 50/down: 20 degrees (typical).Optional RTP or CTP.
This HC-220BI4501 module has built-in ST7789V2-G4 controller IC, supports MCU interface, power supply voltage (VCC) range is 3.0V to 3.6V, brightness is 390 nits (typ), and contrast ratio is 800:1. This module is Industrial ideal for communication equipment, medical equipment, etc. The module can work at temperatures from -20°C to +70°C; its storage temperature range is -30°C+80°C.
DRAWING
SPECIFICATIONS
General Specifications
| Item | Contents | Unit |
| Size | 2.2TFT | inch |
| LCM Dimension | 38.68（W）* 55.14（H） * 2.35(T) | mm |
| LCD Active Area | 33.84* 45.12 | mm |
| Number OfDots | 240 * RGB * 320 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | 12 0’CLOCK | |
| Driver IC | ST7789V2-G4 | |
| Interface Type | MCU | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 4 LEDs | |
| Brightness | 390 |
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | GND | Ground |
| 2-5 | NC | NC |
| 6 | IMO | I/O choose |
| 7-9 | NC | NC |
| 10 | RESET | Reset pin |
| 11-14 | NC | NC |
| 15-22 | DB17-DB10 | Data Bus |
| 23 | NC | NC |
| 24-31 | DB8-DB1 | Data Bus |
| 32-34 | NC | NC |
| 35 | RD | Read signal, rising-edge-active. |
| 36 | WR | Write signal, rising-edge-trigger. |
| 37 | RS | Data/Command register address. |
| 38 | CS | Chip enable, Low-active. |
| 39 | VCC | POWER SUPPLY |
| 40 | VCC | POWER SUPPLY |
| 41 | LEDK | BACKLIGHT CATHODE |
| 42 | LEDA | BACKLIGHT ANODE |
| 43 | LEDA | BACKLIGHT ANODE |
| 44 | LEDA | BACKLIGHT ANODE |
| 45 | 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 | — | -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 | 0.265 | 0.295 | 0.325 | |
| Y | 0.26 | 0.29 | 0.32 | ||
| Brightness of LCM | L | 350 | 390 | — | 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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