STUSB4700 datasheet(25/32 Pages) STMICROELECTRONICS

25 / 32 page

STUSB4700

Electrical characteristics

DocID030193 Rev 2

25/32

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VTH1.6

Detection

threshold 6

Max Rd detection by DFP at IP

= IP-USB and IP = IP-1.5

1.5

1.6

1.65

VTH2.6

Detection

threshold 7

Max Rd detection by DFP

at IP-3.0,

max CC voltage for

connected UFP

2.45

2.6

2.75

VCONN protection

RVCONN

VCONN path

resistance

IVCONN = 0.2 A

-40°C < TA < +105°C

0.25

0.5

0.975

IOCP

Over current

protection

Programmable current limit

threshold (from 100 mA to 600

mA by step of 50 mA).

100

125

300

350

400

550

600

650

VOVP

Output over

voltage protection

5.9

6.1

VUVP

Input under

voltage protection

Low UVLO threshold

2.6

–

2.7

High UVLO threshold (default)

4.6

–

4.8

VBUS monitoring and driving

VTHUSB

VBUS presence

threshold

VSYS=3.0 to 5.5 V

3.8

3.9

VTH0V

VBUS safe 0V

threshold

(vSafe0V)

VSYS=3.0 to 5.5 V

Programmable threshold

(from 0.6 to 1.8 V)

Default VTHOV= 0.6 V

0.5

0.6

0.7

0.8

0.9

1.1

1.2

1.3

1.7

1.8

1.9

RDISUSB

VBUS discharge

resistor

600

700

800

TDISUSB

VBUS discharge

time to 0 V

Default TDISUSB= 840 ms . The

coefficient TDISPARAM is

programmable by NVM.

*TDISPARAM

100

*TDISPARAM

TDISUSB

VBUS discharge

time to PDO

Default TDISUSB= 200 ms

The coefficient TDISPARAM is

programmable by NVM

*TDISPARAM

VMONUSBH

VBUS monitoring

high voltage

threshold

VBUS = nominal target value

Default VMONUSBH = VBUS

+10%

The threshold limit is

programmable by NVM

from VBUS +5% to VBUS

+20%

–

VBUS +10%

–

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