AiP33629 – IIC Interface Common-Cathode 16-Segment 9-Channel Constant-Current LED Driver Controller

The AiP33629 is a highly integrated LED driver IC for common-cathode LED matrix displays, featuring 9 GRID and 16 SEG ports for flexible panel control. With 256-level PWM brightness adjustment, an IIC interface, and a low-power sleep mode, it is ideal for applications such as home appliances and industrial controls.

Category:

The AiP33629 is a highly integrated LED driver IC designed for driving common-cathode LED matrix displays with constant current control. This controller provides 9 GRID ports and 16 SEG ports, enabling flexible control of various sized LED panels. It supports 256 levels of PWM brightness adjustment for each LED segment, allowing precise control over display brightness. The AiP33629 integrates an IIC interface, constant current control, display data RAM (DDRAM), oscillator, and more, enabling efficient communication and control with minimal external components.

The AiP33629 is fully compatible with traditional constant-voltage LED products such as AiP1628 and AiP1640, allowing for easy software migration and reducing development time for engineers. With its versatile features, it provides powerful display control functions while maintaining low power consumption through integrated low-power sleep mode and ghosting elimination.

Key Features:

  • LED Matrix Size: Supports up to 9 GRID × 16 SEG, common-cathode LED matrix

  • Compatibility: Command set is compatible with traditional constant-voltage LED products, facilitating easy software migration and reducing development time

  • Current Control: Adjustable global current control with 64 levels, controlled via software

  • Brightness Control: Each LED point supports 256-level PWM brightness adjustment

  • Internal Display Data RAM (DDRAM): For easy storage of display data

  • IIC Interface: Simple connection with microcontrollers using the IIC communication protocol

  • Integrated Clock Module: For accurate timing and synchronization

  • Built-in Reset Module: Ensures reliable power-up behavior

  • Low Power Mode: Integrated sleep mode for low-power standby operation

  • Ghosting Elimination: Reduces unwanted residual light for improved display quality

  • Operating Voltage: 2.7V to 5.5V

  • Package Options: Available in SOP32, ESOP32, LQFP32, and QFN32 packages

Applications:

  • Home appliances

  • Industrial control systems

  • LED signage

  • Display panels

  • Consumer electronics

The AiP33629 is ideal for a wide range of display applications, providing efficient and flexible control over large LED matrices with reduced power consumption. It is particularly suitable for use in home appliances, industrial displays, and consumer electronics where low-power and high-performance control is essential.

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