BQ24040DSQR by Texas Instruments Design and production,in Xiongsheng Micro Technology (Hong Kong) Co., Ltd. Spot sales,And can pass Xiongsheng Micro Technology (Hong Kong) Co., Ltd. Purchasing。BQ24040DSQR Price reference $ 0.661500。BQ24040DSQR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information BQ24040DSQR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial