TPS2070 datasheet(8/29 Pages) TI

Part #	TPS2070

Description	FOUR-PORT USB HUB POWER CONTROLLERS

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Manufacturer	TI [Texas Instruments]

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TPS2070, TPS2071

FOUR-PORT USB HUB POWER CONTROLLERS

SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001

8

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating junction temperature range,

4.5 V

≤ VI(BP) ≤ 5.5 V, 4.85 V ≤ VI(SP) ≤ 5.5 V, 6 V ≤ VI(VEXT) ≤ 9 V, ENx = 0 V, EN_REG = 0 V,

BP_DIS = 0 V (unless otherwise noted) (continued)

output signals (BPMODE or BPMODE, OCx, DPO_RST)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

BPMODE

4.25 V

≤ VI(BP) ≤ 5.5 V,

4.5 V

≤ VI(SP) ≤ 5.5 V

2.4

VOH

High-level output

BPMODE

4.25 V

≤ VI(BP) ≤ 5.5 V,

VI(SP) < 4 V

IO =2mA

2.4

V

VOH

g

voltage

OCx

4.25 V

≤ VI(BP) ≤ 5.5 V,

VI(ENx) = 3.3 V or Hi-Z

IO = 2 mA

2.4

V

DPO_RST

4.25 V

≤ VI(BP) ≤ 5.5 V,

VI(PG_DLY) = 3.3 V

2.4

BPMODE

4.25 V

≤ VI(BP) ≤ 5.5 V,

VI(SP) < 4 V

IO =3 2mA

0.4

VOL

Low-level output voltage

BPMODE

4.25 V

≤ VI(BP) ≤ 5.5 V,

4.5 V

≤ VI(SP) ≤ 5.5 V

IO = 3.2 mA

0.4

V

OCx

4.25 V

≤ VI(BP) ≤ 5.5 V,

OUTx = 0 V

IO(OC) = 3.2 mA

0.4

Minimum input voltage at BP for low level

IO = 300 µA,

VO(BPMODE)≤ 0.4 V

1.5

VI(BP)

Minimum input voltage at BP for low-level

output

IO = 300 µA,

VI(SP) = 5 V

VO(BPMODE)≤ 0.4 V,

1.5

V

Ilkg

Hi-Z leakage current at DP0_RST

0 V

≤ VI(DPO_RST) ≤ 3.3 V, VI(SP) = 0 V,

VI(BP) = 5.5 V, VI(PG_DLY) = 0.9 V

–5

5

µA

td

Overcurrent response delay time

(see Note 1)

1

10

ms

NOTE 1: Specified by design, not tested in production.

undervoltage lockout (SP, BP, VEXT)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SP

4.5

Start threshold

BP

VI(SP) = Hi-Z

4.25

V

VEXT

3

SP

4

Stop threshold

BP

3.75

V

VEXT

2.50

SP

300

Vhys

Hysteresis voltage (see Note 1)

BP

300

mV

y

VEXT

150

NOTE 1: Specified by design, not tested in production.

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