5.2 Capacitive Touch Stretched Bar TFT LCD Display - RFS520A-ALH-DNG
5.2 Capacitive Touch Stretched Bar TFT LCD Display - RFS520A-ALH-DNG

5.2" Capacitive Touch Stretched Bar TFT LCD Display

Model No. RFS520A-ALH-DNG

RFS520A-ALH-DNG is a TN transmissive type color active matrix 480x128 stretched bar TFT LCD display module with projected capacitive touchscreen allowing 5-point touch. The size of the active area is 5.2” diagonal with module dimension140.4x49.87mm. This 5.2-inch stretched bar LCD display uses ST7252 driver IC supporting 24-bit RGB interface. It features high brightness, providing brightness (typical value) 880 cd/m2 with contrast ratio (typical value) 500:1.

Power voltage ranges from 3.0V-3.6V; typical value is 3.3V. The module works within the temperature -20 to +70℃, storage temperature covers from -30 to +80℃.

Inquiry or Demo Code Datasheet Back Previous Next
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
Size (Diagonal) 5.2 inch
Dot Matrix / Resolution 480 × RGB × 128 dots
Module Dimension 140.4 × 49.87 × 4.96 mm
View Area 129.16 × 35.91 mm
Active Area 127.152 × 33.9072 mm
Dot / Pixel Pitch 0.0883 × 0.2649 mm
LCD Type TFT, Normally White, Transmissive
View Direction 6 o’clock
Gray Scale Inversion Direction 12 o’clock
Aspect Ratio Bar Type
Backlight Type LED, Normally White
Control-Board No
TFT Driver IC ST7252 Or Equal
Interface RGB 24bit
Detect Points 5 Points
Touch Panel Projected Capacitive Touch Panel, PCAP
Surface Glare
Brightness 880 cd/㎡
Frame Through Hole No
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C
TFT Series Bar Type TFT, High Brightness TFT

LCM PIN Definition

Pin Symbol Function
1 VLED- Power for LED backlight cathode
2 VLED+ Power for LED backlight anode
3 GND Power ground
4 VCC Power voltage
5 R0 Red data (LSB)
6 R1 Red data
7 R2 Red data
8 R3 Red data
9 R4 Red data
10 R5 Red data
11 R6 Red data
12 R7 Red data (MSB)
13 G0 Green data (LSB)
14 G1 Green data
15 G2 Green data
16 G3 Green data
17 G4 Green data
18 G5 Green data
19 G6 Green data
20 G7 Green data (MSB)
21 B0 Blue data (LSB)
22 B1 Blue data
23 B2 Blue data
24 B3 Blue data
25 B4 Blue data
26 B5 Blue data
27 B6 Blue data
28 B7 Blue data (MSB)
29 GND Power ground
30 CLK Pixel clock (DCLK)
31 LR Right /Left selection; Default R/L=High
32 HSYNC Horizontal sync signal; negative polarity
33 VSYNC Vertical sync signal; negative polarity
34 NC No connection
35 UD Up/down selection; Default U/D=High
36 RESET Reset signal
37 NC No connection
38 NC No connection
39 NC No connection
40 NC No connection

PCAP PIN Definition

Pin Symbol Function
1 VSS Ground for analog circuit
2 VDDT Power Supply : +3.3V
3 SCL I2C clock signal
4 NC No connect
5 SDA I2C data signal
6 NC No connect
7 RST External reset signal, active low
8 NC No connect
9 INT Interrupt signal, active low, asserted to request
Host start a new transcation.
10 VSS Ground for analog circuit

5.2 inch Capacitive Touch Stretched Bar TFT LCD Display - RFS520A-ALH-DNG

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80

Operating conditions

Item Symbol Condition Min Typ Max Unit
Supply Voltage For LCM VCC 3.0 3.3 3.6 V
Supply Current For LCM ICC 20 mA

LED driving conditions

Parameter Symbol Min Typ Max Unit
LED current   - 80 - mA
LED voltage VLED+ 16.8 18.6 21 V
LED Life Time   - 50,000 - Hr