HT16K33A-20SOP LED Driver IC 1 Output SOP-20

HT16K33A-20SOP LED Driver IC 1 Output SOP-20

The HT16K33A-20SOP is a RAM-mapped LED driver IC designed for driving LED matrices, 7-segment displays, and indicator panels through a simple I2C interface. It integrates a 16×8 display RAM, internal RC oscillator, digital brightness control, and keyboard scanning functionality, making it an excellent choice for embedded display applications.

This IC supports up to 128 LEDs arranged as a 16×8 matrix and communicates with microcontrollers using the standard I2C bus, reducing GPIO requirements while simplifying firmware development. The SOP-20 package offers easy PCB assembly for both prototyping and mass production.

Features:

• Supports up to 128 LEDs (16 Segments × 8 Commons)
• Built-in 16×8-bit display RAM
• I2C serial communication interface
• Internal RC oscillator
• Integrated keyboard scanning function
• Supports up to 13×3 key matrix scanning
• 16-level digital brightness adjustment
• Automatic address increment for RAM read/write

Specifications:

Pin Configuration:

Footprint:

Applications:

• LED Matrix Displays
• 7-Segment LED Displays
• Digital Clocks
• Temperature Displays
• Electronic Counters
• Multimeters
• Industrial Indicators
• Set-Top Boxes
• Consumer Electronics
• Embedded Display Systems

Package Include:

1x HT16K33A-20SOP LED Driver IC 1 Output SOP-20

Datasheet