BQ2002ESNTR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。BQ2002ESNTR Price reference $ 0。BQ2002ESNTR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information BQ2002ESNTR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial