XySemi Inc is dedicated to provide power integration solutions for easier design, better performance, lower cost and higher integration. We provide power management solutions and battery protection solutions based on our patented power device structures and exclusive process technologies.

  SYNCHRONOUS BOOST CONVERTER XR6501,XR6502 Release 2014-2  
  Power Bank SOC XS5601 XS5603 XS5803 release 2013-8  
  Power Bank SOC XS5801 release 2013-3  
  XB6366A\XB6366D release-DFN2x2 Package 2012-10  
  XB8689D release-25mohm Rdson SOP8-PP 2012-9  
  Set up office in Taiwan 2011-09  
  The business in South Korean has officially began 2011-07  
  LED Driver series products available 2011-06  
  DC/DC series products available 2011-05  
  XySemi statement ,from Nov 15,2010 start using the new logo  
XB6166IS Wearable device application small battery of Io<0.4A
DFN2x2-6 package very slim
XR6504/B SYNCHRONOUS BOOST CONVERTER Can Output 5V 3A with Li-Battery Input
QFN3*3-15FC flip-chip package,higher efficiency
XR6503/XR6503D SYNCHRONOUS BOOST CONVERTER Can Output 5V 2.5A with Li-Battery Input
SOP8-PP standard package,easy to mount.
XS5801D Total solution for 5V 500mA~800mA Power Bank especially Lipstick or Perfume Type
Integrates Li- Battery Charge management、Li-Battery Protection and Boost converter in only SOP8-PP package.
XR2204D Boost Converter for 5V 2A Power Bank Solution
1.2MHz Boost Converter,Can output 5V2A with Li-Battery
XB6366D World’s Smallest Li-ion Battery Protection Solution
1 Cell Battery Protectoin IC with integrated MOSFET.
XB8689D Only 25mohm Rdson,Use in 5V 2A Power Bank Solution
Can discharge 4A continuous current,SOP8-PP Package
XR5161 1.1MHz, High-Efficiency, Step-Up Converter for 9 to 10White LEDs
Support 200Hz~200KHz PWM trimming from EN Pin