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Seeking Your Opinion on Power-Management & Related RoadTests

rscasny

Over the last eight years, we have tested many types of products. I don't think words could capture the variety. But I have a good sense of the types of favorite products, which are summarized in this chart:

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Test equipment is the hands down favorite. For single board computers, I combined all the results to include Raspberry Pi, BeagleBoard, etc. Microcontrollers and sensors are not surprising to be at the top of the list; these two products are often used in member projects. But I would like to direct attention to Power Management RoadTests.

I get requests by our suppliers to roadtest power management & related products. A lot of product development is going on in the power area, so this should not be surprising, either. But when I took a look at the number of applications for power management and related RoadTests between 2021 and all of 2023, the number of applications in this type of roadtest is not as strong as I would like.

image

I have a number of power management and related RoadTests coming up after August. I wanted to take this opportunity to get a better understanding of what interests you, or not, in the power area. If you could take some time to vote in the following short polls, I'd appreciate it.

Thanks for participating in these interest polls.

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  • The problem with PMIC roadtests is that the range of parts is large and individual parts (especially the kind that manufacturers would like road tested) tend to have small areas of application.

    When most of us want a PMIC it's part of a bigger project and we wouldn't want to compromise work on the project by using a not quite right part that happens to be on a road test.

    Gough Lui has done some great non-project road tests where he has put  a lot of work into doing  testing purely to investigate the part - most people lack at least one of resources, time,  or interest to do this.

    So I think to get more interest in PMIC Road Testing you'll need to sweeten the deal somehow. Possibly challenges where the PMIC is a key part of the thing.

    I have a current example for this  - I'm repairing an old HP instrument and the LM309K TO3 voltage regulator has failed. I'll probably just use a TO220 7805 regulator bodged in but the idea of making a TO3 shaped board with an AD Silent Switcher chip on it is appealing as project/challenge.

    But I think PMICs might be more suitable in challenges than straight Road Tests. In all cases the value of the chip is not going to be a motivator (unless it was an actual real TO3 LM309 Slight smile).

    MK

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  • The problem with PMIC roadtests is that the range of parts is large and individual parts (especially the kind that manufacturers would like road tested) tend to have small areas of application.

    When most of us want a PMIC it's part of a bigger project and we wouldn't want to compromise work on the project by using a not quite right part that happens to be on a road test.

    Gough Lui has done some great non-project road tests where he has put  a lot of work into doing  testing purely to investigate the part - most people lack at least one of resources, time,  or interest to do this.

    So I think to get more interest in PMIC Road Testing you'll need to sweeten the deal somehow. Possibly challenges where the PMIC is a key part of the thing.

    I have a current example for this  - I'm repairing an old HP instrument and the LM309K TO3 voltage regulator has failed. I'll probably just use a TO220 7805 regulator bodged in but the idea of making a TO3 shaped board with an AD Silent Switcher chip on it is appealing as project/challenge.

    But I think PMICs might be more suitable in challenges than straight Road Tests. In all cases the value of the chip is not going to be a motivator (unless it was an actual real TO3 LM309 Slight smile).

    MK

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