Part Number: PMP21943 Other Parts Discussed in Thread: LM5170 , BQ25756E , LAUNCHXL-F28027 , TIDA-00195 Tool/software:
Hello Dears,
I looked at your sample designs PMP21943 and TIDA-0104x and I want to try to build a tester (charger/discharger) for…
Part Number: LM5170-Q1 Other Parts Discussed in Thread: PMP21943 , LM5170 , PMP Dear engineers:
We apply the LM5170 to reverse polarity buck-boost and some problems occurred, the reference design is PMP21943 from TI official website. Problem1: The inductor…
Part Number: LM5170 Other Parts Discussed in Thread: UCC2897A , PMP21943 , , LM5171 Dear TI team, We have below requirement, Could you please go through it and suggest us best possible part number from TI. Requirement 1: Input voltage : 20- 35 ( Nor 28V…
Part Number: LM5170-Q1 Other Parts Discussed in Thread: LM5170 , PMP21943 Hi,
I want to add external Gate driver to LM5170 in order to implement buck converter with:
Input voltage 40VDC t0 250VDC.
Output voltage 31VDC.
Output power 1500watt…
Hi Satoshi-san,
Thank you for reaching out. 1kW looks excessive for a dual phase LM5122 or LM5122ZA. You may refer to
Please let us know if you would like to proceed this approach.
Thanks,
Youhao
Hi Aiwen,
thank you for using the E2E forum.
When targeting in output power of 1kW you need to go with a multiphase design.
Below reference designs might be a good starting point:
https://www.ti.com/tool/PMP6712
https://www.ti.com/tool/PMP21943…
Hello Cherry,
The TL431 might work with an optocoupler at 300kHz to 1MHz but it would require a very aggressive compensation network to maximize the TL431's bandwidth. If the TL431's bandwidth is not sufficient, a better solution would be to use a discrete…