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TI官网购买的 怎么申请退货呢
客服说要有TI工程师确认才能退货
能否出具TI官方的不影响使用报告呢 ,https://www.ti.com/lit/ds/symlink/ucc21540.pdf?HQS=ti-null-null-sf-df-pf-sep-wwe&ts=1620806098841&ref_url=https%253A%252F%252Fwww.datasheet5.com%252Fpart%252FUCC21540DW%252FTexas%2BInstruments
根据这份规格书的标准来看,这个覆盖面积是不达标的,我们质检不能够使用
Hi
我没法处报告的,只能从电性上判定能够使用。
但是从外观上看是漏铜的话,你可以联系购买渠道来处理。