1.44" MCU TN LCD Display(128x128)
Model No. DBT144QQ046S
►Size:1.44
►Resolution : 128x128dots
►View Direction : 12H
►Interface : 4-Line Serial MCU
►IC Part No : ST7735
►Control-Board : Yes
►Brightness(cd/m2):200
►Frame Through Hole: No
►Touch Screen : No
►Operating Temperature : -20~60℃
DESCRIPTION
Aptus MCU TN 1.44" TFT Display
DBT144QQ046S is a 1.44 inch TN MCU TFT LCD display module, resolution 128x128 pixels. This 1.44" TFT display is built-in with ST7735 controller IC, it supports MCU interface, supply voltage (VCC) range is from 1.8V to 2.8V, with brightness 200 nits (typical value), contrast ratio 500.
This 1.44 inch MCU TFT LCD Display is portrait mode with TN Panel. It is ideal for wearable devices, medical devices, etc. This module can be operating at temperatures from -20℃ to 60℃; its storage temperatures range from -30℃ to 70℃.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin | Symbol | Function | |
| 1 | GND | GND | Power ground |
| 2 | IOVCC/PWOER | I | 1.8V/2.8V |
| 3 | NC | NC | NC |
| 4 | NC | NC | Connect 2.8V |
| 5 | NC | NC | NC |
| 6 | CS | I | Chip select signal |
| 7 | RESET | I/O | LCD Reset Terminal active “L” |
| 8 | A0 | I/O | Display data/command Selection Pin in MCU Interface. |
| 9 | NC | NC | NC |
| 10 | NC | NC | NC |
| 11 | SCL | I/O | A synchronous clock signal in SPI |
| 12 | SDA | I/O | Serial input signal in SP |
| 13 | NC | GND | NC |
| 14 | GND | I/O | Power ground |
| 15 | GND | I/O | Power ground |
| 16-23 | NC | I/O | NC |
| 24 | VDD | I/O | Connect 2.8V |
| 25 | LEDK | I/O | Cathode for back light driver voltage |
| 26 | LEDA | I/O | Anode for back light driver voltage |
General Specifications
| Item | Display Panel | Unit/note |
| Display Mode | Normally while | |
| LCM size | 1.44” | |
| Viewing Direction | 12 o`clock | |
| Input Signals | 4-Line Serial MCU Interface | |
| Outline Dimensions | 27.9 (W)*32.64(H)*2.25(T) | mm |
| Active Area | 25.4976 (H)×26.496(W) | mm |
| Number of Pixels | 128×RGB×128 | Pixels |
| Pixel Arrangement | RGB Vertical stripes | |
| Drive IC | ST7735 | |
| Input voltage | 2.8 | V |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
| Operating Temperature | TOP | -20 | - | 60 | ℃ |
| Storage Temperature | TST | -30 | - | 70 | ℃ |
Electrical Characteristics
Operating conditions
| Item | Symbol | Min | Typ | Max | Unit |
| Supply Voltage | VCC | 1.8 | - | 2.8 | V |
LED driving conditions
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| LED current | ILED | 30 | 40 | - | mA |
| LED voltage | VLED | - | 3.2 | - | V |
| LED Life Time | - | - | 50000 | - | Hr |
