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Q: TPA2018 package
TPA2018 is packed by Nano-Free™ WCSP(YZF), which soldering ball is about φ0.3mm.When I use TPA2018 as 4ohm speaker amplifier at 5V, the maximum current may be 1.25A on the soldering ball. My concern is that soldering ball is broken by over-current, so I like to know the maximum current specification of WCSP soldering ball.
A: Re: TPA2018 package
Hi,
Up to 2A is acceptable as long as the junction temperature stays below 125C, so you should be fine in your case.