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STM32H747AI Datasheet(PDF) 202 Page - STMicroelectronics

Part # STM32H747AI
Description  Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, up to 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI
PDF  252 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H747AI Datasheet(HTML) 202 Page - STMicroelectronics

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Electrical characteristics
STM32H747xI/G
192/242
DS12930 Rev 1
6.3.27
Temperature and VBAT monitoring
6.3.28
Voltage booster for analog switch
Table 106. VBAT monitoring characteristics
Symbol
Parameter
Min
Typ
Max
Unit
R
Resistor bridge for VBAT
-26
-
KΩ
Q
Ratio on VBAT measurement
-
4
-
-
Er(1)
1. Guaranteed by design.
Error on Q
–10
-
+10
%
tS_vbat(1)
ADC sampling time when reading VBAT input
9
-
-
µs
VBAThigh
High supply monitoring
-
3.55
-
V
VBATlow
Low supply monitoring
-
1.36
-
Table 107. VBAT charging characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
RBC
Battery charging resistor
VBRS in PWR_CR3= 0
-
5
-
KΩ
VBRS in PWR_CR3= 1
1.5
-
Table 108. Temperature monitoring characteristics
Symbol
Parameter
Min
Typ
Max
Unit
TEMPhigh
High temperature monitoring
-
117
-
°C
TEMPlow
Low temperature monitoring
-
–25
-
Table 109. Voltage booster for analog switch characteristics(1)
1. Guaranteed by characterization results.
Symbol
Parameter
Condition
Min Typ Max Unit
VDD
Supply voltage
-
1.62 2.6
3.6
V
tSU(BOOST) Booster startup time
-
-
-
50
µs
IDD(BOOST) Booster consumption
1.62 V ≤ VDD ≤ 2.7 V
-
-
125
µA
2.7 V < VDD < 3.6 V
-
-
250



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