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LP8556TMX-E02 能否不用I2C来控制

steven young
Prodigy 130 points
Other Parts Discussed in Thread: LP8556

Hi TI,

项目上更改不带背光驱动屏；所以这次改板上使用LP8556TMX-E02来驱动15.6寸的屏（背光规格11串6并）的背光，由于屏的接口小板上没有预留I2C接口，此次LP8556的硬件连接只是接了PWM和EN/VDDIO pin,I2C和FSET & ISET都悬空，现在调试过程中发现LP8556不能升压，是否LP8556硬件连接必须要接I2C来控制，附件是电路图请帮忙检查，谢谢！lp8556_schematic.pdf