16x2 Character COG LCD Display (ST7032Ai)
Model No. WO1602K
►COG LCD 16x2
►Character LCD
►5 x 8 dots includes cursor
►IC: ST7032Ai
►3V/5V power supply
►1/16 duty cycle
►Interface : I2C
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.
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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