Part Number: PMP11451 Other Parts Discussed in Thread: UCC28740 , Hi,
According to the datasheet of UCC28740 (e.g. page 10), the required "turnon UVLO" voltage to start the chip is 21V. But in the schematic of PMP11451 the VDD of UCC28740 is only 17.3V…
George, hello and good afternoon. The transformer in this design is custom from a supplier called Renco. The contact at Renco is Ian Rensing. He can be reached via email at IRensing@RencoUSA.com .
Thank you for you interest in Texas Instruments and…
Other Parts Discussed in Thread: PMP11451 , PMP11455 , PMP4489 , TPS25740 , TPS25740A Hello Forum, will TI submit their USB PD2.0 designs for formal certification, and provide that certificate to customers using these designs? I see in the UCC25740 working…
We had follow up the reference desgin to make prototype samples but we do not know how to test it to use a normal AC POWER SUPPLY and normal DC LOAD. The Type C POWER Adaptor had connected to the DC Load (v+,V-, 3A) but how do we confrm the output voltage…
Part Number: TPS25740 Other Parts Discussed in Thread: TPS25750 , PMP11451 , TPS65987D Hi
I am found the simple flyback with the PD3.0 solution and share it with my customer, and I found the TPS25740 is an easy PD IC, but it is NRND.
May I change the following…
Hiroshi-san
You are correct, in order to achieve small solution size and have high efficiency an active clamp flyback will have to be used instead of a QR flyback.
The size of the adapter is dependent on the switching frequency. To achieve small solution…
