AiP33628 – 2-Wire Serial Common-Anode 16-Segment 8-Channel Constant-Current LED Driver Controller

The AiP33628 is a highly integrated LED driver IC designed to control a matrix of LEDs in various monochrome and full-color display applications. It offers an 8-channel common-anode output along with 16 cathode constant-current outputs, capable of driving up to 128 individual LEDs in an 8×16 matrix configuration. This makes it ideal for a wide range of applications, including signage, displays, and panel systems.

Operating within a voltage range of 3.0V to 5.5V, the AiP33628 supports a maximum output current of 40mA per channel, ensuring high brightness and reliable performance for demanding applications. The IC features a 2-wire serial interface for easy communication with a microcontroller or other control systems, and it provides 16 adjustable levels of constant current to fine-tune the brightness of each LED segment.

A standout feature of the AiP33628 is its integrated ghosting elimination function, which ensures smooth, flicker-free lighting by minimizing unwanted residual light from inactive channels. The device is also designed to drive 32 LEDs at full current through the 8 common-anode outputs, making it highly efficient and versatile for both large and compact LED display systems.

Key Features:

• Operating Voltage: 3.0V to 5.5V

• Outputs: 8 common-anode channels and 16 cathode constant-current channels

• Maximum Current per Channel: 40mA

• LED Matrix Size: Supports up to 8×16 (128 LEDs)

• Adjustable Current Levels: 16 programmable constant-current levels

• Communication Interface: 2-wire serial communication (easy integration with microcontrollers)

• Ghosting Elimination: Built-in feature to reduce residual light and improve display quality

• Package Options: Available in SOP28, SSOP28, QFN28, and ESSOP28

• Applications: Monochrome or color LED displays, LED panels, signage, and other display systems

The AiP33628 is designed for ease of use and integration, making it an ideal choice for a variety of industries requiring high-performance LED matrix displays. It provides efficient and reliable operation, with multiple output configurations and robust features to enhance the visual quality of LED displays.