NXP’s Power Management Bus (PMBus) is an open standard power-management protocol with fully defined commands that support communication with power converters and other digital power-management devices and host processors in a power system.
NXP Embedded Softare Libraries are packets of optimized functions and tested function for the NXP® controllers. The libraries are supplied in a binary form, which are unique by its simplicity to integrate with user application.
The Kinetis® Software Development Kit (SDK) provides software support for NXP's ARM® Cortex®-M based MCUs. The Kinetis SDK software includes peripheral drivers, stacks and middleware designed to simplify and accelerate application development.