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1.54 inch tft lcd display

►Small TFT LCD Display
►1.54″ TFT Display
►Resolution : 240x240dots
►View Direction: IPS
►Interface: SPI
►Driver IC: ST7789V
►RTP/CTP: Optional
►Brightness(cd/m²): 390
►Outline Dimension: 31.52(W)* 33.72(H) *1.90(T) mm

Category:

DESCRIPTION

1.54 inch tft lcd screen display

HC-154HI2402 is a 1.54 inch tft lcd module with an optional resistive touch screen and capacitive touch screen control with a resolution of 240×240 pixels. This small size TFT LCD is in portrait mode, the TFT panel adopts an IPS panel, left: 80/right: 80/up: 80/down: 80 degrees.Optional RTP or CTP.

This HC-154HI2402 inch module has built-in ST7789V controller IC, supports SPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 390 nits (typ), and the contrast ratio is 800:1. This module is the industrial ideal choice for POS machines, instrumentation, etc. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING of 1.54 inch tft lcd

1.54inch tft lcd

SPECIFICATIONS

General Specifications – 1.54 inch tft lcd

Item Contents Unit
Size 1.54 inch
LCM Dimension 31.52(W)* 33.72(H) *1.90(T) mm
LCD Active Area 27.72* 27.72 mm
Number Of Dots 240×240 pixel
LCD Type a-Si TFT
Viewing Direction IPS
Driver IC ST7789V
Interface Type SPI
Operating Temperature -20℃~ 70℃
Storage Temperature -30℃~ 80℃
Backlight Type 3 LEDs
Brightness 390 cd/m2

Interface

LCM PIN Definition

NO. Symbol Description
1 LEDK BACKLIGHT CATHODE
2 LEDK BACKLIGHT CATHODE
3 GND Ground
4 GND Ground
5 TE Frame mark.
6 SDA Serial Data Input
7 AO Destination register selection.
8 SCL Serial  Clock
9 CS Chip Select
10 RESET Reset pin
11 IOVCC I/O   POWER SUPPLY
12 IOVCC I/O   POWER SUPPLY
13 VCC POWER SUPPLY
14 VCC POWER SUPPLY
15 GND Ground
16 GND Ground
17 NC NC
18 NC NC
19 NC NC
20 NC NC
21 NC NC
22 NC NC
23 LEDA BACKLIGHT ANODE
24 LEDA BACKLIGHT ANODE

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 – 1.54 inch tft lcd

Item Symbol Min. Typ. Max. Unit
LED Current IB 45 60 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 390 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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Weight 1 kg
Dimensions 20 × 20 × 20 cm

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