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

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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: Parameter Value Manufacturer Holtek Product Model HT16K33A-20SOP Function LED Driver with Key scan Interface I2C Operating Voltage 4.5VDC~5.5VDC Display RAM 16x8bit Max Display Dots 128Dots(16SEGs x 8COMs) Keyscan Matrix 13×3 Max Key Count 39Keys Dimming Steps 16Steps Oscillator Internal RC Address Selection ADPin Max I2C Devices on Bus 8 Operating Temperature -40°C~+85°C Storage Temperature -60°C~+150°C Package Type SOP-20 Lead Span 300mil Mounting Type SMD 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