User Manual Part 2

CY8CKIT-042-BLE Bluetooth® Low Energy (BLE) Pioneer Kit Guide, Doc. # 001-93731 Rev. *A 112
Hardware
5.3.1 Power System
The board is powered directly using 5 V from the USB port, as shown in Figure 5-26.
Figure 5-26. Power Supply Block Diagram With Protection Circuits
5.3.1.1 Protection Circuits
The PTC resettable fuse is connected to protect the computer's USB ports from shorts and overcur-
rent.
USB
USB
5V
PTC
ESD
Protection
PRoC
PSoC5LP
5V
5V
Headers