HT16K33A-28SOP LED Driver IC 1 Output SOP-28

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HT16K33A-28SOP LED Driver IC 1 Output SOP-28 The HT16K33A-28SOP is a RAM-mapped 16×8 LED controller driver with an integrated 13×3 matrix key scan function, designed for driving LED displays and keyboard interfaces through a simple I²C two-wire communication bus. It features 16×8-bit display RAM, allowing control of up to 128 LED patterns (16 segments × 8 commons) while reducing the workload on the host microcontroller. Features: RAM Mapping 16×8 LED Controller Driver Supports up to 128 LED patterns I²C two-wire serial interface Integrated 16×8-bit display RAM Supports 16 segments × 8 commons Built-in 13×3 matrix key scanning 16-step LED brightness (dimming) control Integrated RC oscillator Automatic read/write address increment Low external component requirement Suitable for multiplexed LED displays Compact 28-pin SOP package Specifications: Parameter Value Model HT16K33A-28SOP. Function RAM Mapping LED Controller Driver with Key scan. Operating Voltage 4.5V-5.5V. Oscillator Integrated RC Oscillator. Interface I2C Bus (Standard/Fast Mode). Display RAM 16×8 Bits (128 Bits). Max Display Patterns 16×8 (16 Segments, 8 Commons). Max Key Matrix 13×3. Key Data RAM 13×3 Bits. Dimming Steps 16 Steps (1/16 to 16/16 Duty). Address Auto Increment Yes. Interrupt Output Yes (INT Pin). Power-On Reset Yes. Standby Mode Yes. Wake-Up Source Key Press or I2C Command. Package 28-Pin SOP (300mil). Operating Temperature -40°C to +85°C. Storage Temperature -60°C to +150°C. Pin Configuration: Footprint: Applications: LED Display Modules 7-Segment Displays 14/16-Segment Alphanumeric Displays Digital Clocks Thermometers Counters Multimeters Instrumentation Panels Industrial Control Indicators Consumer Electronics Embedded Systems DIY Electronics Projects Package Include: 1x HT16K33A-28SOP LED Driver IC 1 Output SOP-28 Datasheet