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请教一下TPS61197如何使用?

当前做了一个PCB灯板,LED的连接方式为12串7并,LED正向电压为2.8V~3.6V。
官方接口为LED+,LED-,使用时能否将这两端分别接入灯串并联之后的首段与末端?目前考虑12串的LED电压会超出40V,需要重新调整串联的LED。