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CC2590稳定性

Other Parts Discussed in Thread: CC2590, CC2530

我最近用cc2530+CC2590做吧一个电路,在开始时正常,但是用一段时间后电流偏大,检查发现是cc2590的原因,及时是在睡眠时也用60-89mA的电流,换了一个新的芯片后正常,这种情况已经出现了好几个了,电路图基本是按照参考设计做的,所以想问一下是什么原因呢?