Home Products COG LCD WO1602L

ST7032Ai COG LCD Character Display 16x2

Model No. WO1602L

►COG LCD 16x2
►Character LCD
►5 x 8 dots includes cursor
►IC: ST7032Ai
►3V/5V power supply
►1/16 duty cycle
►Interface : I2C

Description

The WO1602L is a COG 16x2 Character LCD Display equipped with an ST7032Ai controller IC and supports an I2C serial interface. The logic power supply voltage is 3V or 5V, and it operates with a 1/16 driving duty. With outline dimensions of 62.8 x 23 mm, the display provides a view area of 51.5 x 12.23 mm and an active area of 47.6 x 9.74 mm.

This module can operate at temperatures ranging from -20℃ to +70℃, and its storage temperatures range from -30℃ to +80℃. The LCD COG display is particularly suitable for applications that demand more compact package displays. It's important to note that the WO1602L serves as an alternative model for WO1602H in case of IC shortages or longer lead times.

DRAWING

ST7032Ai COG LCD Character Display 16x2 - WO1602L

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Description
1 VG VG is the LCD driving voltage for segment circuits.
VGO is the output of VG regulator. VGS is the feedback of VG regulator.
VGI is the VG input of segment circuits.
1.6 ≤ VG < VDD2.
2 XV0 XV0 is the LCD driving voltage for common circuits at positive frame.
XV0OUT is the output of XV0 regulator. XV0S is the feedback of XV0 regulator.
XV0I is the V0 input of common circuits.
3 V0 V0 is the LCD driving voltage for common circuits at negative frame.
V0OUT is the output of V0 regulator. V0S is the feedback of V0 regulator.
V0I is the V0 input of common circuits.
Be sure that: V0 ≥ VG > VM > VSS ≥ XV0 (under operation).
4 VDD Power supply input.
5 VSS Ground
6 SDA Serial data input
7 SCL Serial clock input
8 RST Hardware reset input pin. When RSTB is “L”, internal initialization is executed and the internal registers will be initialized

Mechanical Data

Item Dimension Unit
Number of Characters 16 characters x 2 Lines
Module dimension 62.8 x 23 x 6.3 mm
View area 51.5 x 12.23 mm
Active area 47.6 x 9.74 mm
Dot size 0.48 x 0.54 mm
Dot pitch 0.53 x 0.59 mm
Character size 2.60 x 4.67 mm
Character pitch 3.00 x 5.07 mm
Duty 1/16 , 1/5 Bias
Backlight Type LED
Controller IC ST7032Ai
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 +4.0 V
LCD Driver Voltage VLCD -0.3 7.0 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 2.9 3.0 3.1 V
Supply Voltage For LCD VOP Ta=-20℃
Ta=25℃
Ta=70℃

4.3

4.5

4.7
V
V
V
Input High Volt. VIH 0.7 VDD VDD V
Input Low Volt. VIL VSS 0.3VDD V
Supply Current (LED backlight is not included) IDD 0.2 0.5 mA

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