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Recommen a power supply

Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
I am about to restock my power supplies. I have been using these https://www.sparkfun.com/products/298 but I am not really happy with them. The housings come apart too easily so I have several that are taped together. Wondering if anyone has a recommendation.
Reply #1 — Posted 2yr ago
by Dave McLaughlin | Legend | 58,471 exp
Reply #1 — Posted 2yr ago
by Dave McLaughlin | Legend | 58,471 exp
What voltage and current do you need? Same as the Sparkfun unit? Those are cheap and nasty.
Reply #2 — Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
Reply #2 — Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
@Dave McLaughlin - I think the power is ok for me but I have a Raptor with a Newhaven 480X600 Capacitive touch screen that may be pushing the supply. The housings have come off a couple of these units when I unplug them. I can tape them back together but I have several of these at work and more at home. Maybe I should just pre-tape them and not worry about it. Anyway, I was just interested in what others were using.
1 like
Reply #3 — Posted 2yr ago
by Brett | Superhuman | 125,590 exp
Reply #3 — Posted 2yr ago
by Brett | Superhuman | 125,590 exp
I don't know what options are available in your area, but I'd suggest going with a higher capacity power supply, particularly if you have a screen-based device (as they're much more hungry). Perhaps even something like https://www.sparkfun.com/products/11296 is a better option?
Reply #4 — Posted 2yr ago
by ianlee74 | Superhuman | 127,688 exp
Reply #4 — Posted 2yr ago
by ianlee74 | Superhuman | 127,688 exp
Brett says:
I don't know what options are available in your area, but I'd suggest going with a higher capacity power supply, particularly if you have a screen-based device (as they're much more hungry). Perhaps even something like https://www.sparkfun.com/products/11296 is a better option?

+1 to that. I don't usually buy anything less than 2A. If this project doesn't need it, the next one probably will. They're usually only a few dollars more.
Reply #5 — Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
Reply #5 — Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
@Brett - thanks for the advice. I am going to get a power supply with a bit more power out. I am thinking I will give these a try: http://www.dfrobot.com/index.php?route=product/product&product_id=736#.V4Lk19L2Yr0

If I use these I will limit my power adapters to the USB Client DP Module and not the EDP.
Reply #6 — Posted 2yr ago
by Dave McLaughlin | Legend | 58,471 exp
Reply #6 — Posted 2yr ago
by Dave McLaughlin | Legend | 58,471 exp
If you want reliability and prepared to pay more, these CUI ones are ideal. I've used a number of CUI power supplies and they have been very reliable.

There are more than double the DFRobot price but you get what you pay for. Smiley

http://www.digikey.com/product-detail/en/cui-inc/SMI6-9-V-P5/102-3567-ND/5415038
Reply #7 — Posted 2yr ago
by Mr. John Smith | Legend | 42,263 exp
Reply #7 — Posted 2yr ago
by Mr. John Smith | Legend | 42,263 exp
Reply #8 — Posted 2yr ago
by Dave McLaughlin | Legend | 58,471 exp
Reply #8 — Posted 2yr ago
by Dave McLaughlin | Legend | 58,471 exp
Mr. John Smith says:
@Bill_Wyo - Since were on the subject. https://www.amazon.com/dp/B00ENX02GC/ref=wl_it_dp_o_pC_S_ttl?_encoding=UTF8&colid=37KW42ANWXKIR&coliid=IIU6GASWL5J3E

I was going to get one of these a few months back but as I already purchase a new scope, I went for a cheaper unit but still with current limiting etc. A decent bench supply is well worth the cost as the current limiting will save your boards is there is a fault. Smiley

First impressions review by Aussie Dave here of the DP832

https://www.youtube.com/watch?v=IaWgF1SORkk
Reply #9 — Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
Reply #9 — Posted 2yr ago
by Bill_Wyo | Senior | 2,584 exp
@Dave McLaughlin - Thank you Dave. I will give CUI a try.

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