30V, 5-10A bench PSU recommendations?

T i m · 2020-09-15T13:38:19+00:00

I have a couple of linear PSU's (Weir, both 30V-2A, 15V-4A) but theyare both old and are now non-functional / iffy and I was consideringsomething newer, lighter, smaller and with twin digital displays (onthe Weir's you have to switch between displaying V and A).There are loads over the normal suppliers but I wondered if anyonehere had got something reasonably recently that they could recommend?It's for general use, (temporarily) powering 5/12V things, chargingthe odd battery and the like.A 10A capacity might mean it can batter handle a 5A output, quieterthe better (some use small heatsinks and small fans) and ideally undersay £100?I did look at kits (good to know you have the cct diagram) but that'sprobably not best done with a SMPSU and linear stuff also seems torequire large heatsinks and heavy switching devices, all taking extratime to source/ build (unless a complete kit with case / hardwareetc).Cheers, T i m

Sep 15, 2020 Last reply: 6 years ago 40 Replies

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T i m 6 years ago

I'm still considering if to go for a 50V PSU or not (I have been repairing a 36V Li-Ion eBike bike for a mate and that needs 42V to charge it) but in the meantime seen someone makes an auto CC/CL 'upgrade' for some of the CSI (and clones) bench PSU's (to save you having to short the output to set the current limit).

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Cheers, T i m

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