3.5 inch lcd display

3.5 inch lcd display

3.5 inch lcd display

►Resolution : 320×480 dots
►View Direction: IPS
►Interface: RGB(18bit)
►Driver IC: ST7796S
►Brightness(cd/m²): 480
►Outline Dimension: 54.48 * 84.71 * 2.3(mm）
►RTP/CTP: Optiona

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DESCRIPTION

H35J4502 is a 3.5inch LCD display in Italy display module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×480 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 H35J4502 module has built-in ST7796S controller IC, supports RGB (18bit) 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. The module is Ideal for industries such as beauty equipment, communication equipment, etc. 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

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size3.5inch
LCM Dimension54.48（W）* 84.71（H） * 2.3(T)mm
LCD Active Area48.96 * 73.44mm
Number Of Dots320×480pixel
LCD Typea-Si TFT
Viewing DirectionIPS
Driver ICST7796S
Interface TypeRGB(18bit)
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type6 LEDs
Brightness480cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1GNDGround
2LEDABACKLIGHT ANODE
3LEDABACKLIGHT ANODE
4LEDKBACKLIGHT CATHODE
5LEDKBACKLIGHT CATHODE
6GNDGround
7GNDGround
8VCCPOWER SUPPLY
9IOVCCI/O   POWER SUPPLY
10RESETReset pin
11VSYNCFrame Synchronizing Signal
12HSYNCLine Synchronizing Signal
13GNDGround
14DOTCLKDot Clock Signa
15GNDGround
16DEData Enable Signal
17-34DB17-DB0Data Bus
35SDOSerial Data Output
36SDISerial Data Input
37RDRead signal, rising-edge-active.
38WR/SCLWrite signal, rising-edge-trigger./Serial  Clock
39D/CXData/Command registor selection.
40CSChip Select
41TEFrame mark.
42XRTouch Panel Right
43YDTouch Panel Down
44XLTouch Panel Left
45YUTouch Panel Up

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH14.51515.5V
TFT gate off voltageVGL-10.5-10-9.5V
TFT common electrode VoltageVcom—-1.18—V

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*IOVCC–IOVCCV
Input Low VoltageVIL0–0.2*IOVCCV
Output High VoltageVOH0.8*IOVCC––V
Output Low VoltageVOL––0.2*IOVCCV

Backlight Circuit Characteristics

ItemSymbolMin.Typ.Max.Unit
LED CurrentIB–20–mA
LED VoltageVf18.60—19.20V
CIEX0.3050.3350.365
Y0.3450.3750.395
Brightness of LCML350480cd/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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