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COG LCD Display Module 16x2

Model No. WO1602B

►COG LCD 16x2
►Character LCD
►5 x 8 dots includes cursor
►IC: ST7032
►1/16 duty, 1/5 bias
►+5V power supply
►Interface: I2C


The WO1602B series is a COG (Chip-on-Glass) Character LCD display module built with an ST7032 controller. Its interface is I2C serial, with metal pin connections, featuring a display format of 16 characters x 2 lines. The supply voltage for logic (VDD) can be selected as either 3V or 5V. It operates with a 1/16 duty cycle and 1/5 bias. Operating temperatures for this module range from -20℃ to +70℃, with storage temperatures ranging from -30℃ to +80℃.

The WO1602B COG LCD display module stands out with its ultra-compact and thin design, making it an ideal choice for various applications. Its versatility allows seamless integration into compact applications, industrial devices, as well as security, medical, and hand-held devices.

Its compact form factor and thin profile make it particularly well-suited for environments where space is at a premium. The module's integration of COG technology, with the chip positioned behind the LCD, not only contributes to its slim design but also eliminates the need for external packaging. This not only saves valuable space but also enhances the overall performance and stability of the display.

The WO1602B is a reliable solution for industries demanding efficiency and precision. Whether integrated into industrial equipment or employed in medical devices, this COG LCD display module excels in providing clear and vibrant visual representation.

In addition to its technical advantages, the WO1602B series offers a range of LED backlight options in various colors, allowing for customization based on specific requirements. For those seeking a display module that combines space-saving features with enhanced performance and flexibility, the WO1602B COG LCD display module proves to be a compelling choice. Explore the possibilities and elevate your applications with this advanced and compact display solution. Feel free to contact us through our website for more information.


COG LCD Display Module 16x2 - WO1602B - Winstar

Data source ref:WO1602B-TFH-AT#


Interface Pin Function

Pin No. Symbol Level Description
1 VOUT   DC/DC voltage converter. Connect a capacitor between this terminal and VIN when the built-in booster is used.
2 CAP-   For voltage booster circuit(VDD-VSS)
External capacitor about 0.1u~4.7uf
3 CAP+  
4 VDD 3.0/5.0V Power supply
6 SDATA   (In I2C interface DB7 (SDATA) is input data.
SDATA and SCLK must connect to I2C bus (I2C bus is to connect a resister between SDATA/ SCLK and the power of I2C bus).
7 SCLK   (In I2C interface DB6 (SCLK) is clock input.
SDA and SCLK must connect to I2C bus (I2C bus is to connect a resister between SDATA/SCLK and the power of I2C bus ).
8 RST   RESET (Low active)

Mechanical Data

Item Dimension Unit
Number of Characters 16 Characters × 2 Lines
Module dimension 85.0 × 30.0 × 6.2 mm
View area 76.0 × 18.0 mm
Active area 73.81 × 15.88 mm
Dot size 0.75 × 0.9 mm
Dot pitch 0.79 × 0.97 mm
Character size 3.91 × 7.69 mm
Character pitch 4.66 × 8.19 mm
Duty 1/16 , 1/5 Bias
Backlight Type LED
IC ST7032i
Interface I2C

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VIN -0.3 VDD+0.3 V
Power Supply Voltage VDD-VSS -0.3 +6.0 V
LCD Driver Voltage VLCD 7.0-VSS -0.3+VSS V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 3 3.3 5
Supply Voltage For LCD VLCD 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(Does not include LED backlight) IDD 2.0 mA

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