16x2 Character COG LCD Display (ST7032Ai) - WO1602K

16x2 Character COG LCD Display (ST7032Ai)

Model No. WO1602K

►COG LCD 16x2
►Type: Character
►Structure : COG
►Size: 2.26 inch
►16 Characters x 2 Lines
►5 x 8 dots includes cursor
►IC: ST7032Ai
►3V/5V power supply
►1/16 duty cycle
►Interface : I2C

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Description

Winstar's WO1602K is a 16 x 2 COG Character LCD display featuring a metal pin connection. Equipped with an ST7032Ai controller IC, it supports an I2C serial interface. The logic power supply voltage is 3V or 5V, and it operates with a 1/16 driving duty.

Measuring 74.2 x 25.2 mm in dimensions, the display provides a view area of 61.0 x 15.1 mm and an active area of 56.2 x 11.5 mm. The WO1602K series is a small-sized COG LCD display known for its simplicity, cost-effectiveness, and low power consumption. This makes it well-suited for various applications in small electronic devices and industrial settings, including compact calculators, pagers, small measurement instruments, testing equipment, scientific laboratory instruments, and compact industrial control panels.

Operating within a temperature range of -20℃ to +70℃, the WO1602K series ensures reliability in diverse environmental conditions. Its storage temperature spans from -30℃ to +80℃. It's worth noting that the WO1602K serves as an alternative model to the WO1602G in cases of IC shortages or longer lead times.

DRAWING

Data source ref: WO1602K-TFH-AT#

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	74.2x 25.2 x6.3	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	1/16 Duty , 1/5 Bias
Backlight Type	LED
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	－	2.7	3.0	3.3	V
Supply Voltage For LCD	VLCD	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	－	VDD	－	0.3 VDD	V
Supply Current	IDD	－	－	1.0	－	mA

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