Home Products VATN LCD WO1602N-VATN

16x2 VATN COG LCD Display (FPC)

Model No. WO1602N-VATN

►16 Character x 2 line
►5x8 dots includes cursor
►IC: ST7028-1A
►+3.3V power supply
►1/17 duty cycle
►LED type : Highlight White
►Interface : I2C


WO1602N model is a COG structure VATN LCD module made of 16-characters by 2-lines with VA Negative Transmissive LCD, available in white LED. WO1602N module is built-in with ST7028-1A IC; it communicates via I2C interface, viewing direction 6 o'clock, 1/17 duty, and 1/5 Bias.

This VATN WO1602N and our existing COG LCD WO1602G and COB LCD WH1602B models have the same VA and AA sizes but have a different pinout. WO1602G has a mental pinout, as WO1602N designed a FPC pinout for easy use to control the module by a ZIP connector. The supply voltage for logic of WO1602N is 3V to 3.6V, the typical value of 3.3V. This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

This WO1602N VATN (Vertical Alignment Twisted Nematic) display offers superior performance to traditional STN/FSTN and DFSTN displays. This 16x2 VATN display features higher contrast and wider viewing angles than those currently provided by standard STN/FSTN/DFSTN displays. It is a negative mode display with a transmissive polarizer. In VATN LCD Display, liquid crystals naturally align vertically to the glass substrates. Welcome to contact us for samples to explore the advantage of VATN displays.


16x2 VATN COG LCD Display with FPC - WO1602N-VATN

Data sourch ref: WO1602N-TLL-AT#


Interface Pin Function

Pin Symbol Function Description
1 RSTB External reset pin
2 SCL Serial clock input
3 SDA Serial Data signal
4 VSS Ground
5 VDD Power supply
6 AVDD AVDD is the source of VG regulator.
7 V0 V0 is the LCD driving voltage for common circuits at negative frame.
8 XV0 XV0 is the LCD driving voltage for common circuits at positive frame.
9 A LED+
10 K LED-

Mechanical Data

Item Dimension Unit
Number of Characters 16 Characters x 2 Lines
Module dimension 68.2 x 25.2 x 9.7 mm
View area 61.0 x 15.1 mm
Active area 56.2 x 11.5 mm
Dot size 0.55 x 0.65 mm
Dot pitch 0.60 x 0.70 mm
Character size 2.95 x 5.55 mm
Character pitch 3.55 x 5.95 mm
Duty 1/17duty , 1/5 Bias
Backlight Type LED
IC ST7028-1A
Interface I2C

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Power Supply Voltage VDD -0.3 4.0 V
Supply Voltage For LCD Drive VOP=V0-VSS -0.3 13.0 V
Input voltage range VIN -0.3 VDD+0.3 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 3 3.3 3.6 V
Supply Voltage For LCD Vop Ta=-20℃



Input High Volt. VIH 0.7 VDD VDD V
Input Low Volt. VIL 0.2 VDD V
Output High Volt. VOH 0.8 VDD VDD V
Output Low Volt. VOL 0.2VDD V
Supply Current IDD 1.5 mA

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