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AN4365 Fiches technique(PDF) 32 Page - STMicroelectronics

No de pièce AN4365
Description  Using STM32F4 MCU power modes with best dynamic efficiency
PDF  35 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4365 Fiches technique(HTML) 32 Page - STMicroelectronics

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STM32F4 low-power application case
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Sensor current consumption
Figure 19. Calculating sensor average current consumption
Average Current (mA)~= (Run1_S*0,11 + Run2_S*0,02 + Sleep1*2,8 + Run3_S*0,04 + Sleep2*49 +
Run4_S*0,05 + StdBy*47,98)/100
3.3.2
Current consumption results
Table 3 shows some measures taken with a firmware compiled with the MDK-ARM V4.73
toolchain and device powered with 3 V. For more details about hardware requirements, refer
to Section 3.2.2.
Table 3. Average measurement results
Device
Consumption (mA)
Master
Sensor
STM32F401xC
1.10
1.75
STM32F429xx
1.60
2.00
STM32F407xx
1.60
2.05



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