
3.5 inch ips lcd display with RTP touch
►Resolution : 320×480 dots
►View Direction:IPS
►Interface: MCU
►Driver IC: ST7796S
►Brightness(cd/m²): 480
►Outline Dimension: 54.48 * 84.71 * 2.30(mm)
►RTP/CTP: Optiona
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DESCRIPTION
H35J3501 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 monitor is portrait mode, TFT panel adopts IPS panel, Left: 80/Right: 80/ Top: 80/ Bottom: 80 degrees (typical). Optional RTP or CTP.
This H35J3501 module has built-in ST7796S controller IC, supports MCU interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 nits (typical value), and the contrast ratio is 800:1. This module is a household appliance, Industrial ideal for beauty equipment, etc. The module can operate 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 | IPS | |
Driver IC | ST7796S | |
Interface Type | MCU | |
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 | LEDA | Anode of backlight |
3 | LEDK | Cathode of backlight |
4 | GND | Ground |
5 | VCC | Analog power supply voltage (VDD): 2.3 ~ 3.6V |
6 | IOVCC | Logic power supply voltage (VDDI): 1.75 ~ 3.6V |
7 | RESET | Reset signal, keep Low for more than 10ms after power-on. |
8 | GND | Ground |
9 | GND | Ground |
10-25 | DB15-DB0 | Data Bus |
26 | GND | Ground |
27 | RD | Read signal, rising-edge-active. |
28 | WR | Write signal, rising-edge-trigger. |
29 | RS | Data/Command register address. |
30 | CS | Chip enable, Low-active. |
31 | GND | Ground |
32 | XR | Touch Panel Right |
33 | YD | Touch Panel Down |
34 | XL | Touch Panel Left |
35 | YU | Touch Panel Up |
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 | — | -1.18 | — | 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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