3.5 inch lcd display screen

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DESCRIPTION

H35K2001 is a 3.5 inch tft LCD display 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 H35K2001 module has built-in ST7796S controller IC, supports MIPI 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. This module is a GPS navigator, Industrial ideal for instrumentation, etc. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

SPECIFICATIONS

General Specifications

Item	Contents	Unit
Size	3.5	inch
LCM Dimension	54.48（W）* 84.71（H） * 2.30(T)	mm
LCD Active Area	48.96* 73.44	mm
Number Of Dots	320×480	pixel
LCD Type	a-Si TFT
Viewing Direction	12 o’clock
Driver IC	ST7796S
Interface Type	MIPI
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight Type	6 LEDs
Brightness	480	cd/m2

Interface

LCM PIN Definition

NO.	Symbol	Description
1	GND	Ground
2	GND	Ground
3	VCI	POWER SUPPLY
4	IOVCC	I/O   POWER SUPPLY
5	NC	NC
6	RESET	Reset pin
7	GND	Ground
8	GND	Ground
9	CLKP	MIPI DSI differential clock pair
10	CLKN	MIPI DSI differential clock pair
11	GND	Ground
12	D0P	MIPI DSI differential clock pair
13	D0N	MIPI DSI differential clock pair
14	GND	Ground
15	GND	Ground
16	LEDA	BACKLIGHT ANODE
17	LEDA	BACKLIGHT ANODE
18	LEDK	BACKLIGHT CATHODE
19	LEDK	BACKLIGHT CATHODE
20	NC	NC

DC Characteristics

Item	Symbol	Min	Typ	Max	Unit
TFT gate on voltage	VGH	—	15	—	V
TFT gate off voltage	VGL	—	-10	—	V
TFT common electrode Voltage	Vcom	—	-1	—	V

Typical Operation Conditions

Item	Symbol	Min.	Typ.	Max.	Unit
Analog Supply Voltage	VCI	2.5	2.8	3.3	V
Digital Supply Voltage	VDD	2.5	2.8	3.3	V
I/O Supply Voltage	IOVCC	1.65	1.8/2.8	3.3	V
Input High Voltage	VIH	0.8*IOVCC	–	IOVCC	V
Input Low Voltage	VIL	0	–	0.2*IOVCC	V
Output High Voltage	VOH	0.8*IOVCC	–	–	V
Output Low Voltage	VOL	–	–	0.2*IOVCC	V

Backlight Circuit Characteristics

Item	Symbol	Min.	Typ.	Max.	Unit
LED Current	IB	—	90	120	mA
LED Voltage	Vf	2.8	3.0	3.2	V
CIE	X	0.265	0.295	0.325
	Y	0.26	0.29	0.32
Brightness of LCM	L	—	480	—	cd/m2

Reliability Test Items

Test Item	Test Parameters	Key factors for determining test results
High temperature storage	80±3 ℃，48H；
Low temperature storage	-30±3 ℃，48H；
High temperature storage	70±3 ℃，48H；	Inspection after 2~4hours storage at roomtemperature,
Low temperature operation	-20±3 ℃，48H；	the sample shall be free from defects:
High temperature/humidity	60℃±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~10Hz	3.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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