TI中文支持网Hello, we are debuging the TPS53681, it's expected to control the A channel through the PMBus commands to output PWM1/PWM2/PWM3 and through three chip CSD95490Q5MC to get a 0.42V voltage, Now the IIC to read/write registers is all OK, and my configuration like so: the 0X00 register is set to 0X00, the 0X03 register is set to 0X00,the 0x04 register is set to 0x02,the 0x01 register is set to 0x80, the 0x02 register is set to 0x1B, the 0x24 register is set to 0x0029,the 0x2B register is set to 0x001B,the 0x21 register is set to 0x001D, other registers use their default values, but no PWM measured at the TPS53681output endpoint, So now I need to understand the operating flow how to output the expected PWM by the TPS53681 through sending PMBus commands, or whether there is a corresponding development DEMO code, hope to reply, thank you.
Johnsin Tao：
HiTI有评估板：www.ti.com.cn/…/sluubp7.pdf但是你需要购买，或者找你们常购买芯片的授权代理商，看能否借用一下。或者你按照你的配置，但是按照EVM板的操作看看（在EVM板配置部分，改为你的配置，其他按照其步骤操作）
