STUSB4500 datasheet(28/41 Pages) STMICROELECTRONICS

28 / 41 page

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VMONUSBH

VBUS monitoring high

voltage limit

VBUS can be 5 VUSB Type-C voltage or

any PDO voltage,

VBUS+5% is nominal high voltage limit,

Shift coefficient VSHUSBH is

programmable by NVM from 1% to

15% of VBUS by step of 1%,

Default

VSHUSBH1 = 10%, VMONUSBH1 = VBUS

+15% (5 V USB Type-C or PDO1),

VSHUSBH2/3 = 5%, VMONUSBH2/3 =

VBUS+10% (PDO2 or PDO3)

VBUS+5%

+VSHUSBH

VMONUSBL

VBUS monitoring low

voltage limit

VBUS can be 5 VUSB Type-C voltage or

any PDO voltage,

VBUS-5% is nominal low voltage limit,

Shift coefficient VSHUSBL is

programmable by NVM from 1% to

15% of VBUS by step of 1%,

Default

VSHUSBL1/2/3 = 15%, VMONUSBL1/2/3 =

VBUS-20% (5 V USB Type-C or any

PDO)

VBUS-5%

-VSHUSBL

DISCH pin driving

IDISPWR

Power system

discharge current

Through external resistor connected to

DISCH pin

500

Digital input/output (SCL, SDA, ALERT, RESET, ATTACH, A_B_SIDE, POWER_OK3, GPIO, ADDR0, ADDR1)

VIH

High level input

voltage

1.2

VIL

Low level input

voltage

0.35

VOL

Low level output

voltage

Ioh = 3 mA

0.4

20 V open drain outputs (VBUS_EN_SNK, DISCH, POWER_OK2)

VOL

Low level output

voltage

Ioh = 3 mA

0.4

STUSB4500

Electrical and timing characteristics

DS12499 - Rev 2

page 28/41

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