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| From | Jan Panteltje <alien@comet.invalid> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Ever smaller DC-DC converter modules by TI |
| Date | 2024-09-02 02:15 +0000 |
| Message-ID | <vb374g$20con$1@solani.org> (permalink) |
| References | <vb1ouh$210pa$1@solani.org> <vb1qnl$1gmdp$1@dont-email.me> <0a6c0562-cea1-4fdd-b283-04a8c57e762a@ademu.nl> <nnd$2f75283c$0bf25191@b9829d5a22e7a1d0> |
On a sunny day (Sun, 1 Sep 2024 17:43:26 +0200) it happened Arie de Muijnck <noreply@ademu.nl> wrote in <nnd$2f75283c$0bf25191@b9829d5a22e7a1d0>: >On 2024-09-01 17:29, Arie de Muijnck wrote: >> On 2024-09-01 16:35, john larkin wrote: >>> Jan Panteltje <alien@comet.invalid> wrote: >>>> Ever smaller DC-DC converter modules by TI: >>>> >>>> https://www.electronicdesign.com/technologies/power/article/55134121/electronic-design-tis-magnetic-materials-and-packaging-magic-help-slash-dc-dc-module-size-even-further >>>> This innovation is based largely, but not entirely, >>>> on advances in magnetic materials, >>>> and it didn’t come quickly. >>>> Noted Jeff Morroni, director of power management research and development >>>> at TI's Kilby Labs, >>>> >>>> For example: >>>> 1.8 to 5.5V in to 5.5V out at 5.5A size 2.5 x 2.6 mm boost module >>>> More examples in link. >>>> >>> >>> 1W isolated 5 -> 3.3V, 4x5x1 mm, SS, *76 MHz* switching frequency, for >>> $1.50 @ 1ku? >>> >>> Potentially pretty cool! >>> >>> Cheers >>> >>> Phil Hobbs >>> >> >> I noticed in the datasheet to avoid disabling it under full load. >> To me that reads the shrapnel would reach the ceiling... >> >> Arie > >After better reading the datasheet of the boost converter, TPSM81033, most interesting for me right now. >And not disabling but removing the input voltage. Like with the good old LM78xx regulators. > >" >Device Limitations (intended to be removed for final material): >1. Inductor current limit function is not optimized. TI don't recommend to use TPSM81033 at the >condition that the input current is higher than 5A. Final material is expected to improve the current >limit function. >2. TPSM81033 doesn't support to remove input voltage at heavy load. TI recommend to remove >input voltage at no load, or connect EN to GND first with load and then remove input voltage. Final >material is expected to support remove input voltage at heavy load. " That sure is a big limitation!
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Ever smaller DC-DC converter modules by TI Jan Panteltje <alien@comet.invalid> - 2024-09-01 13:07 +0000
Re: Ever smaller DC-DC converter modules by TI Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2024-09-01 13:37 +0000
Re: Ever smaller DC-DC converter modules by TI john larkin <jlarkin_highland_tech> - 2024-09-01 07:35 -0700
Re: Ever smaller DC-DC converter modules by TI Arie de Muijnck <noreply@ademu.nl> - 2024-09-01 17:29 +0200
Re: Ever smaller DC-DC converter modules by TI Arie de Muijnck <noreply@ademu.nl> - 2024-09-01 17:43 +0200
Re: Ever smaller DC-DC converter modules by TI Jan Panteltje <alien@comet.invalid> - 2024-09-02 02:15 +0000
Re: Ever smaller DC-DC converter modules by TI David Lesher <wb8foz@panix.com> - 2024-09-02 02:53 +0000
Re: Ever smaller DC-DC converter modules by TI Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2024-09-02 09:07 +0000
Re: Ever smaller DC-DC converter modules by TI john larkin <jlarkin_highland_tech> - 2024-09-02 09:08 -0700
Re: Ever smaller DC-DC converter modules by TI Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2024-09-02 16:35 +0000
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