Hi, TI support team
The customer wants to design a power supply with the block below.
In order to operate the 7MHz HIFU Transducer using the power of the lithium polymer battery, the intermediate power must be step-up.
Since 20V/2A is finally required, we are reviewing whether to apply it in 2 steps by adding a step-up in the middle.
If designing in 1 step, is it possible to design with TPS61376 or LM5158? When looking at the Efficiendy graph of the datasheet, I am concerned that the efficiency will drop a lot or the performance will drop at 1A or 2A, so
if there is a possible item, please recommend it.
If you are designing in 2 steps, try to review the design by configuring the circuit as shown below. Please examine whether it is an appropriate circuit.
Thanks.
Regards,
MJ