Part Number:DRV8350R
Hi Team,
DRV8350RH is used, from the datasheet, I have some questions, could you please help explain, thanks!
1. Why does the charge pump VCP operate in full doubler mode VVM is less than 12V? What's the benefits of it?
2. Why doesn't the EC table about the VCP match the description in the above picture?
For example, when Vvm is 10V, the Vvcp should be 18.5V (2*Vvm-1.5=18.5) with respect to Vvdrain according to the description above, however, the EC table shows Vvcp is 8V with respect to Vvdrain, what might be the reason?
3. What's the power consumption of DRV8350R with dual supply when Vvm is supply by different voltage? For example, the power supply is fixed to 48V, VM is powered through another buck, it can between 9V to 75V such as 9V, 12V, 15V, what's the power consumption of DRV8350R itself with different supply on Vvm? Because we wants to know what's the best option for Vvm which can help save power.
Best Regards!
Hao









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