Could you please recommend a mature domestic high-power step-down DCDC?

elec32156

Could you please recommend a mature domestic high-power step-down DCDC? [Copy link]

 

Previously, we used imported materials. The company wants to localize them. However, we found that there are not many domestic DCDCs that meet the requirements. The specification requirements are as follows:

Type: Buck DC-DC converter

Rated Vin: supports a maximum of 24V or above;

Rated Iout: 10A or more;

Vout: adjustable

Fsw: Adjustable

With Powergood status output; with basic over-voltage, over-current and over-temperature protection.

Is there anyone who has used it, please recommend it to me, thank you!

bigbat

I think the current of 10A is a bit too high. What material did you use before? See if there is any compatible with it. I think this may need a power module. The chip may not meet the needs. It is recommended to use a MOS discrete component solution.

se7ens

I recommend you buy a module to see what solutions are inside

lugl4313820

In fact, you don't have to deliberately distinguish between domestic and imported products. The best price-performance ratio is the best. Of course, it is best not to get the origin of the United States, otherwise it will be restricted one day. But if your company is restricted and it is favored, then you are on par with Huawei.

lugl4313820

If you are really favored by the United States, you only need to submit a bid and ten thousand companies will come to you, so there is no need to deliberately choose domestic or imported products. . . .

elec32156

bigbat posted on 2022-9-3 08:38 I feel that the current of 10A is a bit too high. What material did you use before? See if there is any compatible with it. I think this may require a power module. Core...

There are still many imported ones. I have searched around for domestic ones but haven't found a suitable one. Not to mention compatibility, it is also difficult to find one with equivalent parameters.

elec32156

lugl4313820 posted on 2022-9-3 12:02 In fact, don’t deliberately distinguish between domestic and imported products. The best price-performance ratio is the best. Of course, it is best not to get the origin of the United States, otherwise it will be restricted one day. But if...

It’s not the size of the company, it’s mainly because of the attributes of the industry. You know, some things must be produced domestically.

elec32156

bigbat posted on 2022-9-3 08:38 I feel that the current of 10A is a bit too high. What material did you use before? See if there is any compatible with it. I think this may require a power module. Core...

Due to PCB limitations, there are restrictions on package size, so using modules is not practical.

秦天qintian0303

There are indeed not many DCDCs made in China. The main reason is that even when the chip shortage occurred in the past two years, the supply cycle and price fluctuation of DCDC chips were not large.

chipsimi003

CSM3100SK of Coresun can meet 100V withstand voltage, 10A output current, and adjustable output voltage. However, FSW is not adjustable and does not have Powergood status output. Other protection functions are available. Add me on VX, and I can send you the information and DEMO for testing.

金海洋

Nonsense, the domestic EG1163S is very good

小手在颤抖

My friend, try a code-free phase-shifted full-bridge chip or LLC power chip. Your requirement can be easily achieved. There are power chips on the market that can realize power control without programming, and the application is very mature. You can search for it. Generally, they are graphical interfaces, menu selection, and online parameter adjustment.