3.5 inch lcd display screen

3.5 inch lcd display screen

3.5 inch lcd display screen

►Resolution : 320×480 dots
►View Direction: 12 o’clock
►Interface: SPI
►Driver IC: ILI9488
►Brightness(cd/m²): 480
►Outline Dimension: 54.48 * 84.71 * 2.30 (mm)
►RTP/CTP: Optional

DESCRIPTION

K350C20301 is a 3.5 inch tft LCD module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×480 pixels. This size TFT LCD is in portrait mode with wider viewing angle by POL adjustment, Left: 70 / Right: 70 / Top: 60 / Bottom: 60 degrees (typical). Optional RTP or CTP.

This K350C20301 module has built-in ILI9488 controller IC, supports SPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 nits (typ), and the contrast ratio is 800:1. Ideal for industries such as electrical appliances. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

3.5 inch lcd display screen

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size3.5inch
LCM Dimension54.48(W)* 84.71(H) * 2.30(T)mm
LCD Active Area48.96* 73.44mm
Number Of Dots320×480pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICILI9488
Interface TypeSPI
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type6 LEDs
Brightness480  cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1LEDKBACKLIGHT CATHODE
2LEDABACKLIGHT ANODE
3GNDGround
4RESETReset pin
5SDASerial Data Input
6SCLSerial  Clock
7RSDestination register selection.
8CSChip Select
9TEFrame mark.
10GNDGround
11IOVCCI/O   POWER SUPPLY
12VCCPOWER SUPPLY
13GNDGround
14GNDGround
15GNDGround
16GNDGround
17NCNC
18NCNC
19NCNC
20NCNC

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 CurrentIB90120mA
LED VoltageVf2.83.03.2V
CIEX0.2650.2950.325
Y0.260.290.32
Brightness of LCML480cd/m2

Reliability Test Items

Test ItemTest ParametersKey factors for determining test results
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 temperature/humidity60℃±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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