data brief for further information contact your local stmicroelectronics sales office. march 2010 doc id 17199 rev 1 1/6 6 STEVAL-IEM003V1 low voltage 3-phase power stage for electric traction with mc connector features bus voltage up to 48 v and up to 3 kw 3-phase full bridge inverter topology efficient power dissipation with power mosfets mounted on a dedicated ims layer motor current feedback via ics protection features: ? bus overcurrent detection ? bus voltage monitoring ? power stage temperature sensing rohs compliant description the STEVAL-IEM003V1 demonstration board is designed to drive a low voltage/high current 3- phase brushless synchronous or asynchronous motor up to 3 kw. typical uses for the system include battery-powered traction system applications or high-power tools. the demonstration board is composed of two stacked boards. the top layer is a power board where the power devices are mounted on a dedicate ims layer, and the bottom board includes the gate driving, current sensing and power supply sections. the STEVAL-IEM003V1 provides a compact solution and efficient power dissipation thanks to the power mosfet used. thanks to the on-board mc connector, the STEVAL-IEM003V1 can be easily interfaced with any st mcu control board equipped with the same type of mc connector. STEVAL-IEM003V1 www.st.com
schematic diagrams STEVAL-IEM003V1 2/6 doc id 17199 rev 1 1 schematic diagrams figure 1. power supply section circuit schematic ! - v 9 9 9 9 ' & , & |