Product Info

LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 39 / 88
Figure 6: Turn on the Module Using Driving Circuit
Another way to control the PWRKEY is using a button directly. When pressing the key, electrostatic strike
may generate from the finger. Therefore, a TVS component is indispensable to be placed nearby the
button for ESD protection. A reference circuit is shown in the following figure.
Figure 7: Turn on the Module Using Keystroke
The power on scenario is illustrated in the following figure.