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ET61128
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General Description
ET61128 is a constant current LED matrix drive control dedicated circuit, the maximum support 16×8 array display; The communication mode is the standard I2C communication interface, and also supports continuous read and write function. Internal integration of a number of registers can set a variety of display effects, single point support 256-level brightness adjustment, mainly used in home appliances display drivers. Available in QFN32 or LQFP32 package form.
Specification
Sample
Features
- Supply voltage 2.7V to 5.5V
- The maximum application matrix is 16×8，maximum drive 128 leds
- 16 constant current driver channels, max output current 49.2mA
- With an external resistor, the current output can be adjusted
- The overall current supports 32 adjustment
- Each constant channel supports 4 adjustment
- Each circuit has 256 order PWM current adjustment function
- I2C interface, four chip-address can be set
- Open and short circuit detection function
- Soft shutdown function/external hardware off function
- Spread spectrum function
- Blanking function
- Package：QFN32（4mm × 4mm）；LQFP32（7mm × 7mm）
