Intelligent power module in compact surface mount package
Alpha and Omega Semiconductor has launched an intelligent power module for low power BLDC motor drives system such as fan motors in home appliances and air-conditioners in a surface mount package.
The AIM702H50B 500V IPM7 series consists of a three phase super junction MOSFET topology for motor drive and high voltage gate driving ICs with an integrated bootstrap circuit in a new compact surface mountable package. The MOSFETs have an RDS(on) of 4.0Ω (Max).
“A BLDC-based inverter has been widely used in fan motors because it is quicker, quieter, and more energy-efficient than the conventional solutions using dc motors or ac induction motors with on/off control. Nowadays, its demand and expansion are becoming a mandatory requirement due to energy saving and regulations. Without a doubt, IPM7 will bring a lot of advantages for fan motor applications by significantly enhancing the cost-effective development of the system, reducing the inverter board size, and obtaining easy and reliable PCB assembly. Quick and precise detection of fault temperature in IPM7 will play a significant role in fan motor drives to secure a reliable design as well as a long time of operation,” said Dr Brian Suh, Vice President of IGBT/IPM product lines at AOS.
The package of the intelligent power module measures 18mm x 7.5mm and has a wide input of 3 to 18V for an integrated HVIC gate driver including the bootstrap circuit. The module includes under-voltage lockout protection and integrated over-temperature protection and monitoring functions.
The AIM702H50B is immediately available in production quantities with a lead-time of 12-14 weeks. The unit price for 10,000 pieces is $2.70.