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TPS62142并联LED 驱动设计

Other Parts Discussed in Thread: TPS62142

为解决LED并联时需要高电流的情况,此设计采用了TI公司的TPS62142降压转换器,4-6伏直流电压输入,输出电压3.3伏 、电流2安培 ,很适合用于驱动多个LED并联的情况,成本1.45美金,占电路板面积147平方毫米,效率达94%,开关频率2611KHz,总的来说,很不错,很实用。

TPS62142并联LED 驱动设计.zip