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  Infrared remote control IC

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  LCD Driver

  LED Driver

  Touch MCU

 

.LED Driver

W1620

Used for display drivers for VCR, DVD, and home theater products.

Characteristic :

  • Power CMOS process
  • Display mode (8 segments × 6 bits to 10 segments × 4 bits)
  • Brightness adjustment circuit (adjustable duty cycle 8 steps)
  • Serial interface (CLK, STB, DIO)
  • Oscillation mode: built-in RC oscillation (450KH z ± 5%)
  • Built-in power-on reset circuit
  • Package: SOP-20

W1640

Used for electronic scales and display drivers for small household appliances

Characteristic :

  • Power CMOS process
  • Brightness adjustment circuit (adjustable duty cycle 8 steps)
  • 2-wire serial interface (CLK, DIN)
  • Oscillation mode: built-in RC oscillation (450KHz + 5%)
  • Built-in power-on reset circuit
  • Built-in automatic blanking circuit
  • Display mode (8 segments × 16 bits), general Yin digital tube output
  • Package: SOP28

W1638

It is used to control the display screen of refrigerator, air conditioner, home theater

Characteristic :

  • Power CMOS process
  • Display mode: 10 segments × 8 bits
  • Key scan: 8 × 3 bits
  • Brightness adjustment circuit (adjustable duty cycle 8 steps)
  • Serial interface (CLK, DIO, STB)
  • Built-in RC oscillation (400KH z ± 5%)
  • Built-in power-on reset circuit
  • Package: SOP28

W1628

Used for display drivers for VCR, DVD, and home theater products.

Characteristic :

  • Power CMOS process
  • Display mode (10 segments × 7 bits to 13 segments × 4 bits)
  • Key scan (10 × 2 bits)
  • Brightness adjustment circuit (adjustable duty cycle 8 steps)
  • Serial interface (CLK, STB, DIO)
  • Oscillation mode: built-in RC oscillation (450KH z ± 5%)
  • Built-in power-on reset circuit
  • Package: SOP-28

W1621

W 1621 is a 128-dot matrix memory-mapped multifunction LCD driver circuit.

W 1621's S / W architecture is suitable for dot matrix LCD displays, including LCD modules and display subsystems

Characteristic :

  • Operating Voltage: 2.4V to 5.2V
  • Internal 256KHz RC Oscillator
  • External 32KHz crystal or 256KHz frequency input
  • Alternatively, a 1/2 or 1/3 bias 1/2, 1/3 or 1/4 duty cycle liquid crystal display
  • Internal Timebase Frequency Source
  • The buzzer drive signal frequency can be selected as 2KHz or 4KHz.
  • Shutdown command reduces power consumption
  • Internal Timebase Generator and WDT Watchdog Timer
  • Internal timebase or WDT overflow output
  • Clock source for 8 timebase / WDT clocks
  • 32 × 4 LCD driver
  • Internal 32 x 4-bit display RAM
  • 4-way serial interface
  • Internal LCD driving frequency source
  • Commands can be used to control operations.
  • Data mode and command mode instructions
  • R / W addresses are automatically accumulated.
  • Three data access modes
  • The VLCD pin is used to adjust the LCD operating voltage.
  • Chip size: 2095 × 1980 ( m × m)
  • Chip substrate connected to VDD (die)
  • Package style: SSOP48 / SOP28 / SOP24 / LQFP48 / QFP44

W1651

It is mainly used for display driving of induction cooker, microwave oven and small household appliances.

Characteristic :

  • Power CMOS process
  • Display mode (7 fields x 4 bits), support for common digital tube output
  • Key Scan (1 x 7 bits)
  • Brightness control circuit (adjustable duty cycle 8)
  • Serial interface (CLK, DIO)
  • Oscillation mode: built-in RC oscillation (450KH z ± 5%)
  • Built-in power-on reset circuit
  • Built-in automatic blanking circuit
  • Package: DIP16 / SOP16

W1650

Internal Integrated MCU Input and Output Control Digital Interface, Data Latch, LED Driver, Keyboard Scanning, Brightness Control and Other Circuitry

Characteristic :

  • Display mode: 8 segments × 4 bits
  • Segment 1 has a drive current of 25 mA or more and a drive current of 150 mA or more
  • 8 luminance control levels
  • Liter keyboard scan:. 7 × 4 bits
  • High-speed 2-wire serial interface
  • Internal clock oscillation circuit
  • Built-in power-on reset circuit
  • Liter 3V to 5.5V Supply Voltage
  • Usage Proposal of additional terminal of VCC 104 Capacitance as close as possible Capacity of W1650 VCC (less than 2cm)
  • Package: DIP16 / SOP16

W1642

W1642 is a special circuit for driving control of LED (Light Emitting Diode Display), which integrates digital interface and data latch.

Characteristic :

  • CMOS process adopted
  • VDD: 3.3V Low Power Consumption
  • After power up, the quiescent current is small in standby mode and the maximum value is 1uA.
  • User selectable LED type (cathode end × 4, anode end × 8)
  • Serial interface (CLK, DATA)
  • Built-in power-on reset circuit
  • Package: DIP / SOP16

W1635

It is mainly used for display driving of induction cooker, microwave oven and small household appliances.

Characteristic :

  • Power CMOS process
  • Display mode (7 fields x 4 bits), support for common digital tube output
  • Key Scan (1 x 7 bits)
  • Brightness control circuit (adjustable duty cycle 8)
  • Serial interface (CLK, DIO)
  • Oscillation mode: built-in RC oscillation (450KH z ± 5%)
  • Built-in power-on reset circuit
  • Built-in automatic blanking circuit
  • Package: DIP16 / SOP16

W1617

It is used to control the display screen of refrigerator, air conditioner, home theater

Characteristic :

  • Power CMOS process
  • Multiple display modes (8 segments × 2 bits to 7 segments × 3 bits)
  • Key scan (6x1 bit)
  • Brightness adjustment circuit (adjustable duty cycle 8 steps)
  • Serial interface (CLK, STB, DIO)
  • Built-in RC oscillation (400KHz ± 5%)
  • Built-in power-on reset circuit
  • Package style: SOP16
 
 

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