STUSB4761 datasheet(13/29 Pages) STMICROELECTRONICS

13 / 29 page

Parameter

Description

Value

Comments

I_SRC_PDO_otp(i)

Current value, for every

SRC_PDO(i),

in overtemperature

condition (T > T1)

Pre-defined current

•

0.50 A

•

0.75 A

•

1.00 A

•

1.25 A

•

1.50 A

•

1.75 A

•

2.00 A

•

2.25 A

•

2.50 A

•

2.75 A

•

3.00 A

•

3.50 A

•

4.00 A

•

4.50 A

•

5.00 A

VCONN_ENABLE

VCONN pin connection

VCONN not supported, connected to

GND

Yes

VCONN supported, connected to

POWER

DR_SW_EN

Data role swap enable

Off

Data role swap not supported

Data role swap accepted

VDM_CUSTOM_DIS

Enable the STUSB4761

customization via CC

pins

Off

Factory customization via CC pin is

available

Factory customization via CC pin is

not possible

CC_ref_current

Constant current mode

reference

I_SRC_PDO[RDO

object position field]

Current from STUSB4761 PDO

selected by the sink

RDO[operating

current field]

Operating current of sink request

RDO[max operating

current field]

Maximum operating current of sink

request

OCP_Threshold

OCP threshold value

(see Section 3.6.2 CC

MODE)

+ 12.5%

+12.5% (or +130 mA)

above reference regulation current

(CC_ref_current)

+ 25%

+25% (or +260 mA)

above reference regulation current

CC_ref_current)

V_UVLO

Undervoltage lockout

From 5% to 20%

By increments of 5%

V_OVLO

Overvoltage lockout

From 5% to 20%

By increments of 5%

SHUNT_RESISTOR

Current regulation gain

adjustment

based on shunt value

10 mΩ

15 mΩ

25 mΩ

UNCONSTRAINED_POWER

Unconstrained power bit

from fixed supply PDO

Off

No external source of power

An external source of power is

available and is sufficient to

adequately power the system while

charging external devices

STUSB4761

Parameter overview

DS13141 - Rev 3

page 13/29

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