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Part Number: UCC28740 Other Parts Discussed in Thread: PMP9638 , LM341 , TL431 Tool/software: Hi,
I need help with the UCC28740 design based on the PMP9638 reference design.
1) Why is it not switching? The schematic is attached. My Auxiliary winding is…
Part Number: UCC28740 Other Parts Discussed in Thread: PMP9638 , Tool/software: Hi,
Regarding the Evaluation Board, schematic is attached (PMP9638), I am interested to learn how you calculated for the Values of R5 90.9k and the Value of R16 19.6k. I have…
Part Number: PMP9638 Hello,
Need help. We are developing the design from TI reference design PM9638 which we copying the schematic document into Eagle as attached in picture
All components and pads are fit into board and soldered very well. But, the supply…
Part Number: PMP9638 Hi,
Customer of mine is designing USB charging adaptor using the PMP9638 reference design.
I've the following questions:
Does TI have the EMC data for PMP9638?
If customer do not want to use 3.3V output Can they just unmount…
Hello Prahlad,
Thank you for your interest in TI controllers.
Although not stated explicitly, I assume that you are looking for a single-stage flyback-PFC because you reference the PMP4334 in the title of this E2E thread.
After searching, I could…
Part Number: PMP8817 Hi,
Customer of mine is building the phone charger based on PMP8817 and PMP9638 reference design
- Can you provide the design files (CAD) for both reference design?
- Can you advise the datasheet for transfomer RLTI-1083? or is there…
Part Number: PMP8817 Hi,
Customer of mine is designing a USB charger based on PMP8817 and PMP9638 reference design
As this is first time they involve in AC system, I would like to seek your advise on how measure the efficiency of the system (or in otherword…
Other Parts Discussed in Thread: PMP9638 , UCC28740 Hi,
We want to add AC/DC SMPS Charger as auxiliary in our Solar charger design.
Please help me to find some suitable reference design and parts.
Specs:
CC/CV
I/P AC 140V - 275VAC
O/P:
Charging current…
Dear Billy
Thank you so much for quick response.Can you suggest few reference design for my different requirenement where i can use EFD 20/10/7 or EFD 25/13/9 because they are best suitable for my height requirement. I have searched few of them as below…
