TPS5420DR Marking TPS5420 SOP8 DC DC power chip suppliers Our History In 1999, Mingshunxin E-commerce established. In 2001, Mingshunxin has acquired a large number of electronic components inventory, has a good reputation in the industry, and has won unanimous praise from customers. In 2008, Mingshunxin expanded its business scope and registered and established "Shenzhen Mingshunxin Electronics...