Power Supply Input E5V Connector (Default Setting); Table 5. External Power Source E5V (5 V); Figure 11. E5V And Gnd Pins On Cn4 - ST STM32WL Series User Manual

6.3.1

Power supply input E5V connector (default setting)

The CEB MB1779 board can be powered from the E5V connector (CN4) by either:
• Plugging an external 5 V voltage supply (from 3.6 up to 5.5 V)
• Plugging a 3.7 V battery pack
Refer to Table
Input power name
E5V
Make sure you supply the board when using CN4. CN4 pin 1 is the E5V supply and pin 2 is the GND, as shown in
Figure 11.
UM3127 - Rev 1
5. This is the default setting.
Table 5.
Connector pins
MB1779 - CN4 pin 1
Figure 11.
E5V
GND
External power source E5V (5 V)
Voltage range
3.6 to 5.5 V
E5V and GND pins on CN4
UM3127
Hardware layout and configuration
Maximum current
500 mA
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