Figure 10. Power supply input from 5V_EXT (5 V, 1.3 A maximum)
DT59066V1
5V_EXT
5V
3V3
8.4 External power supply input from a USB charger (5 V)
When the STM32H5 Nucleo-144 board is power supplied by a USB charger on CN1 (refer to Figure 11 and
Table 9), the JP2 jumper must be set on [7-8] (CHGR).
Table 9. External power source CHGR (5 V)
Input power
name
Connector pins Voltage Maximum current
CHGR CN1 5 V -
Figure 11. Power supply input from STLINK-V3EC USB connector with a USB charger (5 V)
DT59067V1
USB charger or PC
5V
5V
3V3
No
debug
UM3115
External power supply input from a USB charger (5 V)
UM3115 - Rev 2
page 16/44
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