BQ32002DR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。BQ32002DR Price reference $ 0.618750。BQ32002DR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information BQ32002DR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial