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STM32H7B3AI Scheda tecnica(PDF) 80 Page - STMicroelectronics

Il numero della parte STM32H7B3AI
Spiegazioni elettronici  32-bit Arm® Cortex®-M7 280 MHz MCUs, 2-Mbyte flash memory, 1.4-Mbyte RAM, 46 com. and analog interfaces, SMPS, crypto
PDF  238 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H7B3AI Scheda tecnica(HTML) 80 Page - STMicroelectronics

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6.1.6
Power supply scheme
Figure 21. Power supply scheme
VDD
VDD50USB
VREF-
VSSA
VSS
Analog domain
Core domain
Backup
domain
LDO
Voltage
regulator
Power switch
VDDLDO
VDDSMPS
VLXSMPS
VSSSMPS
VFBSMPS
VBAT
VDDA
VREF+
VDD
USB regulator
VCAP1/2
VDDMMC
PDR_ON
POR/PDR
100 nF
1 μF
100 nF
1 μF
1 μF
1 μF
100 nF
47W
VDDA
Three different possible use cases
VREF+
100 nF
1 μF
1 μF
5V
Two different possible use cases
3.3V
Battery
100 nF(1)
VDD
100 nF(1)
4.7 μF
VDD
100 nF
100
nF
1 μF
Two different possible use cases
VDDMMC
Two different possible use cases
100nF
100 nF(1)
2.2 μF
LDO enabled
LDO disabled
VCAP3
SMPS enabled
SMPS disabled
4.7 μF
100 pF or 200 pF
4.7 μF
4.7 μ F
10 μF
VDDSMPS
2.2 μH
VDDMMC
IOs
BKUP
IOs
VDD
IOs
VDD
domain
Two different possible use cases
4.7 μF
USB FS
IOs
SMPS
Switched Mode
Power Supply
step down
converter
Defines different use case options
Define power domaines
VDD33USB
STM32H7B3xI
Parameter conditions
DS13139 - Rev 8
page 80/238



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