TPS25751D datasheet(12/89 Pages) TI1

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6.8 PP_5V Power Switch Characteristics (continued)

Operating under these conditions unless otherwise noted: 3.0 V ≤ VVIN_3V3 ≤ 3.6 V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IVBUS

PP5V to VBUS current sense

accuracy

3.64 A ≥ IVBUS ≥ 1 A

3.05

3.5

3.75

A/V

VPP_5V_RCP

RCP clears and PP_5V starts

turning on when VVBUS – VPP5V <

VPP_5V_RCP. Measure VVBUS – VPP5V

tiOS_PP_5V

Response time to VBUS short circuit

VBUS to GND through 10

mΩ, CVBUS = 0

1.15

µs

tPP_5V_ovp

Response time to VVBUS > VOVP4RCP

Enable PP_5V, IRpDef

being drawn from PP5V,

configure VOVP4RCP to

setting 2, ramp VVBUS from

4V to 20 V at 100 V/ms,

CPP5V = 2.5 µF, measure

time from OVP detection

until reverse current < 100

4.5

µs

tPP_5V_uvlo

Response time to VPP5V <

VPP5V_UVLO, PP_VBUS is deemed off

when VVBUS < 0.8 V

RL = 100 Ω, no external

capacitance on VBUS

µs

tPP_5V_rcp

Response time to VPP5V < VVBUS +

VPP_5V_RCP

VPP5V = 5.5 V, IRpDef being

drawn from PP5V, enable

PP_5V, configure VOVP4RCP

to setting 2, ramp VVBUS

from 4 V to 21.5 V at

10 V/µs, measure VPP5V.

CPP5V = 104 µF, CVBUS=10

µF, measure time from

RCP detection until reverse

current < 100 mA

0.7

µs

tILIM

Current clamping deglitch time

5.1

tON

From enable signal to VBUS at 90%

of final value

RL = 100 Ω, VPP5V = 5 V,

CL = 0

2.3

3.3

4.3

tOFF

From disable signal to VBUS at 10%

of final value

RL = 100 Ω, VPP5V = 5 V,

CL = 0

0.30

0.45

0.6

tRISE

VBUS from 10% to 90% of final value

RL = 100 Ω, VPP5V = 5 V,

CL = 0

1.2

1.7

2.2

tFALL

VBUS from 90% to 10% of initial

value

RL = 100 Ω, VPP5V = 5 V,

CL = 0

0.06

0.1

0.14

6.9 PPHV Power Switch Characteristics - TPS25751D

Operating under these conditions unless otherwise noted: 3.0 V ≤ VVIN_3V3 ≤ 3.6 V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VRCP

Comparator mode RCP threshold,

VPPHV - VVBUS

Setting 0, 4 V ≤ VVBUS ≤ 22

V, VVIN_3V3 ≤ 3.63 V

setting 1, 4 V ≤ VVBUS ≤ 22

V, VVIN_3V3 ≤ 3.63 V

Setting 2, 4 V ≤ VVBUS ≤ 22

V, VVIN_3V3 ≤ 3.63 V

Setting 3, 4 V ≤ VVBUS ≤ 22

V, VVIN_3V3 ≤ 3.63 V

TPS25751

SLVSH93 – OCTOBER 2023

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