Figure 12. Power supply input from 5V_EXT (5 V, 500 mA max)
U12
LDO
3V3
5 V
3V3
Legend:
5 V 3.3 V
Refer to Section 6.4.1 for debugging when using an external power supply.
External power supply input from USB charger (5 V)
When the STM32G4 Nucleo-64 board is power-supplied by a USB charger on CN1 (refer to Table 8 and
Figure 13), the jumper configuration must be the following: jumper JP2 on pins 7-8 “5V_CHGR”.
UM2505
Power supply
UM2505 - Rev 2
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