User's Manual

CY8CKIT-042-BLE-A Bluetooth® Low Energy (BLE) Pioneer Kit Guide, Doc. # 002-11468 Rev. *A 92
Hardware
A MOSFET-based protection circuit is provided for overvoltage and reverse-voltage protection for
the 3.3-V rail from J1.5, as shown in Figure 5-4.
Figure 5-4. Schematics and Board Highlight of MOSFET Protection Circuit for 3.3-V Rail from J1.5