TPS2074, TPS2075

FOUR-PORT USB HUB POWER CONTROLLERS

SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001

22

POST OFFICE BOX 655303

APPLICATION INFORMATION

D+

D–

GND

5 V

0.1

µF

DP0

DM0

EECLK

EEDATA

EXTMEM

SUSPEND

C

D

A

B

SN75240

BUSPWR

RESET

VCC1_3.3

VCC2_3.3

0.1

µF

10

µF

XTAL1

XTAL2

33 pF

6 MHz

33 pF

1.5 k

Ω

TSTPLL

TSTMODE

GND

GND

PWRON1

OVRCUR1

PWRON2

OVRCUR2

PWRON3

OVRCUR3

PWRON4

OVRCUR4

EN1

OC1

EN2

OC2

EN3

OC3

EN4

OC4

3.3 V

4.7

µF

0.1

µF

SP

SP

5 V Power

Supply

0.1

µF

68

µF

PG

BPMODE

DP0_RST

1.5 k

Ω

BP

DGND

AGND

0.1

µF

33

µF

PG_DLY

BP_DIS

D+

D–

GND

5 V

D+

D–

GND

5 V

C

D

A

B

SN75240

D+

D–

GND

5 V

D+

D–

GND

5 V

C

D

A

B

SN75240

33

µF

33

µF

33

µF

OUT4

OUT3

OUT2

OUT1

TPS2075

TUSB2046B

DM4

DP4

DM3

DP3

DM2

DP2

DM1

DP1

Downstream

Ports

Upstream

Ports

Figure 33. USB Hybrid Hub Using TPS2075 Power Controller and TUSB2046 Hub Controller