2.8 inch lcd panel

2.8 inch lcd panel

2.8 inch lcd panel

►Resolution : 240×320 dots
►View Direction: 12 o’clock
►Interface: MCU
►Driver IC: ST7789V
►RTP/CTP: Optional
►Brightness(cd/m²): 380
►Outline Dimension: 50.00 * 69.20 * 2.45(mm)

DESCRIPTION

K280I4005 is a 2.8 inch TFT 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 with wider viewing angle by POL adjustment, left: 45/right: 45/up: 50/down: 20 degrees (typical).Optional RTP or CTP.

This K280I4005 module has built-in ST7789V controller IC, supports MCU 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 instrumentation, handheld Industrial ideal for equipment, etc. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C

DRAWING

2.8 inch lcd panel

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size2.8inch
LCM Dimension50.00(W)* 69.20(H) * 2.45(T)mm
LCD Active Area43.20* 57.60mm
Number Of Dots240×320pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICST7789V
Interface TypeMCU
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type4 LEDs
Brightness380Cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1NCNC
2IOVCCI/O   POWER SUPPLY
3-12GNDGround
13-20DB7-DB0Data Bus
21-25NCNC
26RDRead signal, rising-edge-active.
27WRWrite signal, rising-edge-trigger.
28RSData/Command register address.
29CSChip enable, Low-active.
30RESETReset pin
31-35NCNC
36GNDGround
37VCIPOWER SUPPLY
38NCNC
39LEDABACKLIGHT ANODE
40LEDKBACKLIGHT CATHODE

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH15V
TFT gate off voltageVGL-10V
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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