2.2 inch lcd display

2.2 inch lcd display

2.2 inch lcd display

►Resolution: 176x220dots
►View Direction: 12 o’clock
►Interface: MCU
►Driver IC: ILI9225G
►RTP/CTP: Optional
►Brightness(cd/m²): 390
►Outline Dimension: 40.20 * 55.60 * 2.35(mm)

DESCRIPTION

K220A24101 is a 2.2 inch lcd display module with optional resistive touch screen and capacitive touch screen control with a resolution of 176×220 pixels. This size TFT LCD display is portrait mode with wider viewing angle by POL adjustment, left: 45/right: 45/up: 45/down: 20 degrees (typical).Optional RTP or CTP.

This K220A24101 module has built-in ILI9225G 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 a handheld device, home Ideal for industries such as electrical appliances. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

2.2 inch lcd display

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size2.2inch
LCM Dimension40.20(W)* 55.60(H) * 2.35(T)mm
LCD Active Area34.85* 43.56mm
Number Of Dots176×220pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICILI9225G
Interface TypeMCU
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type4 LEDs
Brightness390cd/m2

LCM PIN Definition

NO.SymbolDescription
1GNDGround
2VDDPOWER SUPPLY
3RESETReset pin
4CSChip enable, Low-active.
5RSData/Command register address.
6WRWrite signal, rising-edge-trigger.
7RDRead signal, rising-edge-active.
8IM0I/O  choose
9GNDGround
10VDDPOWER SUPPLY
11DB8Data Bus
12DB9Data Bus
13DB10Data Bus
14DB11Data Bus
15DB12Data Bus
16DB13Data Bus
17DB14Data Bus
18DB15Data Bus
19GNDGround
20GNDGround
21LEDK3BACKLIGHT CATHODE
22LEDK2BACKLIGHT CATHODE
23LEDK1BACKLIGHT CATHODE
24LEDABACKLIGHT ANODE

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
CIEX0.2650.2950.325
Y0.260.290.32
Brightness of LCML390cd/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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