RigidCSP Technology Serves Battery Management Applications

Date
07/24/2020

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Alpha and Omega Semiconductor Limited (AOS) announced the release of RigidCSP for battery management. Alpha and Omega Semiconductor has developed a RigidCSP technology where you can decrease the on-resistance while increasing the mechanical strength to reduce breakage during assembly and stress during the lifetime of the battery MOSFET.  The new package technology is ideal for applications such as smartphones, tablets, and ultra-thin notebooks.

As requirements increase for higher charging current, then ultra-low electrical resistance is needed for improved performance. In standard WL- CSP, the substrate can be a significant portion of the total resistance on the back-to-back MOSFETs.  A thinner substrate will reduce the overall resistance but also will drastically reduce the mechanical strength.  This reduction of mechanical strength can lead to more stress during the PCB assembly reflow process, which can lead to die warpage or die crack, which leads to failure in the application.

Pricing and Availability

The AOCR32326 and AOCR36330 are immediately available in production quantities with a lead-time of 14-16 weeks. The unit price for 1,000 pieces is $1.44 and $1.50, respectively.

For more information, please visit Alpha and Omega Semiconductor.

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