AiP33620 – 2-Wire Serial Interface 8×8 Common-Cathode Constant-Current LED Driver IC

The AiP33620 is an 8×8 constant-current LED driver IC designed to control monochrome or RGB full-color LED displays. It supports 8-bit data control for each LED, allowing for 256-level brightness adjustment and enabling precise control of each individual LED in the matrix. This IC integrates an MCU interface and communicates via a two-wire serial interface, compatible with IIC-like protocols, making it easy to integrate with various microcontrollers.

The AiP33620 also includes ghosting elimination and low-power reset features to enhance display quality and reduce power consumption. It is compatible with traditional constant-voltage LED products, allowing for easy software migration and rapid development.

Key Features:

• Operating Voltage: 4.5V to 5.5V

• LED Matrix Size: Supports up to 8×8 matrix, controlling 64 LEDs

• Current Control: 8 constant-current anode drivers, maximum output current 30mA

• Brightness Adjustment: 256-level brightness control for each LED

• Global Brightness Control: 32-level current adjustment for entire matrix

• Interface: Two-wire serial interface, compatible with IIC communication

• Integrated Features: Built-in RC oscillator, power-on reset, low-voltage reset, and ghosting elimination

• Package Options: Available in SOP20, SSOP20, and QFN20 (3×3)

Applications:

• Home appliances

• Industrial control systems

• New energy products

• LED signage and displays

This IC offers an ideal solution for LED matrix displays, delivering excellent control, flexibility, and integration with low-power features, suitable for applications requiring fine brightness control and high performance.