2.8 inch TFT LCD

2.8 inch TFT LCD

2.8 inch TFT LCD

►Resolution : 240×320 dots
►View Direction: IPS
►Interface: RGB
►Driver IC: ST7789V2-G4-A-1
►RTP/CTP: Optional
►Brightness(cd/m²): 380
►Outline Dimension: 550.00 * 69.20*2.30(mm)

DESCRIPTION

The K280I40300 is a 2.8 TFT display module with an 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 K280I40300 module has a built-in ST7789V2-G4-A-1 controller IC, supports RGB 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. This module is ideal for communication equipment, instrumentation, etc. industries. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C

DRAWING

2.8 inch TFT LCD

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size2.8inch
LCM Dimension50.00(W)* 69.20(H) *2.30(T)mm
LCD Active Area43.20* 57.60mm
Number Of Dots240×320pixel
LCD Typea-Si TFT
Viewing DirectionIPS
Driver ICST7789V2-G4-A-1
Interface TypeRGB
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type4 LEDs
Brightness380Cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1GNDGround
2LEDKBACKLIGHT CATHODE
3LEDABACKLIGHT ANODE
4VCCPOWER SUPPLY
5-9R7-R3Data Bus
10GNDGround
11-16G7-G2Data Bus
17GNDGround
18-22B7-B3Data Bus
23DCLKDot Clock Signa
24GNDGround
25NCNC
26HSLine Synchronizing Signal
27VSFrame Synchronizing Signal
28DEData Enable Signal
29CSChip Select
30SCLSerial  Clock
31SDASerial Data Input
32-34NCNC
35RESETReset pin
36-40GNDGround

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH15V
TFT gate off voltageVGL-7.5V
TFT common electrode VoltageVcom-1V

Typical Operation Conditions

ItemSymbolMin.Typ.Max.Unit
Analog Supply VoltageVCI2.52.83.3V
Digital Supply VoltageVDD2.52.83.3V
I/O Supply VoltageIOVCC1.651.8/2.83.3V
Input High VoltageVIH0.8*IOVCCIOVCCV
Input Low VoltageVIL00.2*IOVCCV
Output High VoltageVOH0.8*IOVCCV
Output Low VoltageVOL0.2*IOVCCV

Backlight Circuit Characteristics

ItemSymbolMin.Typ.Max.Unit
LED CurrentIB6080mA
LED VoltageVf2.83.03.2V
CIEX0.250.300.35
Y0.260.310.36
Brightness of LCML380cd/m2

Reliability Test Items

Test ItemTest ConditionTest result determinant gist
High temperature storage80±3 ℃,48H; 
Low temperature storage~30±3 ℃,48H; 
High temperature storage70±3 ℃,48H;Inspection after 2~4hours storage at  roomtemperature,
Low temperature operation~20±3 ℃,48H; the sample shall be free from defects:
High temperaturehumi/dity60℃±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~10Hz3.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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