Figure 15. Power supply input from external 3V3
External power supply input STD_ALONE_5V (5 V, 500 mA maximum)
When the STM32WL Nucleo-64 board is power-supplied by STD_ALONE_5V (refer to Table 10 and Figure 16),
the jumper configuration must be the following: Jumper JP4 on pin 9-10 “ALONE”.
Table 10. External power sources: STD_ALONE_5V
Input power name
Connector pins Voltage range Maximum current
STD_ALONE_5V CN11 4.75 V to 5.25 V 500 mA
Refer to Section 6.4.1 for debugging when using an external power supply.
UM2592
Power supply
UM2592 - Rev 1
page 22/49
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