Microchip MCU, Power Controller Reference Design ARD00550

This reference design from Microchip utilises a UCS1002 Programmable Port Power Controller IC in combination with a PIC16F1503 Microcontroller to provide a fully functional Universal Serial Bus (USB) charger that is compatible with a wide variety of portable devices.

The UCS1002 Programmable Port Power Controller is capable of delivering up to 2.5A charging current. Features like current monitoring and programmable charger emulation profiles make it a good candidate to be used with a PIC® Microcontroller for intelligent USB charging solutions.

In this design the PIC® MCU employs an algorithm that applies multiple charger emulation profiles and selects the one most appropriate to provide the highest current to the attached device. More information regarding the code can be found on the Microchip website in application note AN1827 - "UCS1002 Highest Current Algorithm Using a PIC® Microcontroller”.

Highest current algorithm programmed PIC16F1503 connected to UCS1002
Customisable code
Development options for power budgeting and smart charger functionality (optimum charging profile selection, changing the port type allow charging and data communication)

UCS1002 and PIC16F1503 Reference Design Board
AC power adapter, 12V DC output
Note – AC cable is not included with power adapter

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USB Power Switch ICs, Microchip