STM32H7 datasheet(291/357 Pages) STMICROELECTRONICS

Part #	STM32H7

Description	32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces

PDF	357 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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291 / 357 page

DS12110 Rev 10

291/357

STM32H742xI/G STM32H743xI/G

Electrical characteristics (rev V)

320

7.3.24

Temperature and VBAT monitoring

7.3.25

Voltage booster for analog switch

Table 192. VBAT monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Resistor bridge for VBAT

-26

KΩ

Ratio on VBAT measurement

Er(1)

1. Guaranteed by design.

Error on Q

–10

+10

tS_vbat(1)

ADC sampling time when reading VBAT input

µs

VBAThigh

High supply monitoring

3.55

VBATlow

Low supply monitoring

1.36

Table 193. VBAT charging characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

RBC

Battery charging resistor

VBRS in PWR_CR3= 0

KΩ

VBRS in PWR_CR3= 1

1.5

Table 194. Temperature monitoring characteristics

Symbol

Parameter

Min

Typ

Max

Unit

TEMPhigh

High temperature monitoring

117

°C

TEMPlow

Low temperature monitoring

–25

Table 195. 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

tSU(BOOST) Booster startup time

µs

IDD(BOOST) Booster consumption

1.62 V ≤ VDD ≤ 2.7 V

125

µA

2.7 V < VDD < 3.6 V

250

STM32H7 Datasheet(PDF) 291 Page - STMicroelectronics

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