ME7502A

产品特点
技术文档

MODE	LED Number	VIN	IOUT	Refresh FreQuency	Package	Application
32-Step Constant Current + 256-Level PWM LED Driver	144	-0.5~6.0V	13.5~60mA	Configurable	QFN32L	LED Display Household appliances Toy display Smart portable devices Smart audio

ME7502A；Constant Current LED Controller/Driver；I2C Serial Interface；32-Step Constant Current Global Adjustment；256-Step PWM Brightness Adjustment；16×9 Matrix Output；CMOS Technology；Chip Select Address Pin；QFN32L Package

ME7502A is a constant current LED controller/driver with 32 steps of constant current global adjustment function, supporting up to 16×9 matrix output. Each point has a 256-step PWM current adjustment function. It integrates an MCU digital interface, data latch, and PWM constant current drive module. Serial data is transmitted to ME7502A via an I2C serial interface. Adopting CMOS technology, ME7502A is mainly used for small LED display driving and is packaged in QFN32L (4×4×0.75-0.4).

优势特点

CMOS technology
Supports 1-9 scan applications, with a maximum matrix application of 16×9
SEG constant current drive, with a maximum current of 60mA
Each point supports 256-step brightness adjustment
Gray scale adjustable (32-step constant current adjustment)
I2C interface
Chip select address pin
Built-in RC oscillation
Built-in power-on reset
Built-in global reset function
Shutdown mode

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