BD2812GU
2-Channel RGB Charge Pump LED Driver with Ilumination
BD2812GU
2-Channel RGB Charge Pump LED Driver with Ilumination
BD2812GU是装饰用RGB LED驱动器。可以驱动两个RGB系统(6个灯)。内置灯亮模式，无需CPU负载即可点亮灯饰。非常适合使用了RGB LED的灯饰和使用了单色LED的装饰应用。 DC/DC转换器单元采用了电荷泵方式，不使用线圈。 采用芯片尺寸的封装，体积小巧。
主要规格
特性：
Topology
Charge Pump
Vin(Min.)[V]
2.7
Vin(Max.)[V]
5.5
Total Output Current (Max.)[mA]
250
Per Channel Drive(Max.)[mA]
30.48
Number of Outputs
6
Vout(Max.)[V]
5
Switching Frequency (Max.)[MHz]
1
Data Input
I2C
Data Transfer Rate(Max.)[MHz]
0.4
Dimming
DC
DC Dimming Steps
128
Operating Temperature (Min.)[°C]
-30
Operating Temperature (Max.)[°C]
85
Package Size [mm]
3.1x3.1 (t=1.0)
特点：
・RGB LED driver (dual drivers)・Slope control function (allowing dual drivers to be controlled independently).
・Slope control can be implemented using the DC current.
・Continuous illumination mode and Illumination single cycle mode are supported.
・Independent external ON/OFF synchronizing terminals are provided.
・Multiple drivers can be used concurrently.
・Low consumption operation is possible by the Sleep operation mode function.
・Charge pump system DC/DC
・Boost magnification is changed automatically (1x, 1.5x, 2x)
・Over voltage protection function (auto recovery type)
・Over current protection (auto recovery)
・Thermal shutdown (TSD)
