TPS61040DBVR by Texas Instruments Design and production,in Seccoeko Technology Co., Ltd. Spot sales,And can pass Seccoeko Technology Co., Ltd. Purchasing。TPS61040DBVR Price reference $ 0.862400。TPS61040DBVR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS61040DBVR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial