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NXP (Freescale) QorIQ LS1043A-RDB

The QorIQ LS1043A reference design board (LS1043A-RDB) is designed to exercise most capabilities of the LS1043A device; NXP’s first quad-core, 64-bit ARM®-based processor for embedded networking and industrial infrastructure.

LaywerScape Q or IQ - LS1043RDBQorIQ LS1043A-RDB Dev Kit


QorIQ LS1043A Power TreeQorIQ LS1043A-RDB Power Tree


Rail / Function  Part Number General Description of Part
1.0V: VDD LTM4649 10A Step-Down DC/DC µModule Regulator
0.85V : PHY
5V: System Power
LTM4644 Quad DC/DC µModule Regulator with Configurable 4A Output Array
2.5V : OSGMII LTC3568 1.8A, 4MHz, Synchronous Step-Down DC/DC Converter
2.1V : PHY LT3085 Adjustable 500mA Single Resistor Low Dropout Regulator
1.2V : TVDD
1.0V : S1VDD
LT3065 45V VIN, 500mA Low Noise, Linear Regulator with Programmable Current Limit and Power Good




Included in the LTpowerCAD toolbox, LTpowerPlanner is a system architecture tool for system-level power management design and optimization.

To open the LTpowerPlanner project file:

  • Step 1: If you have not installed LTpowerCAD on this computer, download and install LTpowerCAD
  • Step 2: Within LTpowerCAD, open the "LTC Toolbox" and open LTpowerPlanner
  • Step 3: Download the project file by right clicking on the link below and selecting "Save Target As".
  • Step 4: After saving the file to your computer, open the project file by selecting 'Open Project' from the 'File' menu in LTpowerPlanner