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D

D

C

C

B

B

A

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Title

Number

Revision

Size

A3

Date: 2004-0

4-27

 Sheet    of 

File:

C:\My NoteBook  Raw\..\1520MINI_UPDATE.SCHDOC

Drawn By:

ISP1520 BUS POWER EVAL. KIT

VBUS

A1

D-

A2

D+

A3

GND

A4

CH

A

SSI

S

A5

C

H

A

SSIS

A6

D-

B2

D+

B3

VBUS

B1

GND

B4

CH

A

SSI

S

B5

C

H

A

SSIS

B6

USB_DOWN

USB1

100uF

C11

15

K

R1

8

15

K

R1

9

SDA

5

SCL

6

WP

7

VCC

8

A0

1

A1

2

A2

3

GND

4

AT24C01

U15

1K5, 5%
R10

12K, 1%R11

V3.3REG

1

2

3

4

SIP_4P

J42

12MHz

X1

22pF

C9

22pF

C8

0.1uF

C7

VBUS

100uF

C13

15

K

R2

2

15

K

R2

3

VBUS

A1

D-

A2

D+

A3

GND

A4

C

H

A

SSIS

A5

C

H

A

SSIS

A6

D-

B2

D+

B3

VBUS

B1

GND

B4

C

H

A

SSIS

B5

C

H

A

SSIS

B6

USB_DOWN

USB2

15

K

R2

0

15

K

R2

1

15

K

R2

4

15

K

R2

5

10

0K

R1

4

10

0K

R1

5

V3.3REG

2K2

R16

2K2

R17

VDN

J2

J1

DM0

DP0

DM1

DP1

DM2

DP2

DM3

DP3

DM4

DP4

PSW1

PSW2

PSW3

PSW1

OC1

OC1

OC3

OC3

SUSPEND

ADOC

SP/

B

P

NO

OC

AD

O

C

PSW2

PSW1

PSW3

PSW4

OC1

OC2

OC3

OC4

DM1

DP1

DP3

DM3

DM0

DM1

DM2

DM3

DM4

DM0

DM2

DM4
DP4

DP0

DP1

DP2

DP2

DP3

DP4

DP0

1uF

C15

1uF

C16

L1

V3.3REG

1

2

3

DC_IN

PWR_C1

V3.3REG

VCC5

VDN

VBUS

1

D-

2

D+

3

GND

4

CHASSIS

5

USB_UP

USB0

DM4

DP4

DM3

DP3

DM2

DP2

DM1

DP1

DM0

DP0

S1

1

G1

2

S2

3

G2

4

D2

5

D2

6

D1

7

D1

8

NTHD5905T1

Q1

0 R

R28

0 R

R30

0.1uF

C5

0.1uF

C4

0.1uF

C3

1uF

C10

VBUS

VDN

PSW3

PSW4

NTHD5905T1

Q2

VDN

100uF

C14

100uF

C12

0 R

R29

OC2

1

2

3

4

5

6

SP/BP#

SW1

SP/BP

10K

R12

NC

R13

0.1uF

C6

VDN

V3.3REG

SP/BP

V3.3REG

0.1uF

C1

0.1uF

C2

OC2

OC4

PSW4

PSW2

V3.3REG

0 R

R31

OC4

330R

R9

RED

D15

500K

R5

VDN

0.1uF

C20

J6

J5

V3.3REG

NC

R105

VIN

2

VOUT

3

VS

S

1

XC6206P302

U2

REF1

1

I/O1

2

I/O2

3

REF2

4

HEADER 3

ESD1

REF1

1

I/O1

2

I/O2

3

REF2

4

HEADER 3

ESD2

REF1

1

I/O1

2

I/O2

3

REF2

4

HEADER 3

ESD3

REF1

1

I/O1

2

I/O2

3

REF2

4

HEADER 3

ESD4

REF1

1

I/O1

2

I/O2

3

REF2

4

HEADER 3

ESD5

VBUS1

VBUS2

VBUS3

VBUS4

VBUS1

VBUS2

VBUS3

VBUS4

VDN

NC

R35

J1

0

NC

R32

POLYSWITCH

F1

VDN

NC

R34

POLYSWITCH

F3

VDN

NC

R33

POLYSWITCH

F2

VDN

NC

R36

POLYSWITCH

F4

VDN

JUMPER

ADOC

10

0K

R3

7

JUMPER

NOOC

VDN

VDN

VDN

VDN

RE

SE

T

31

HP

17

PSW4

26

PSW3

28

PSW2

30

PSW1

20

OC4

25

OC3

27

OC2

29

OC1

19

SP

/B

P

18

S

U

SPE

N

D

1

AD

OC

32

NO

OC

49

GR

N

1

60

GR

N

2

54

GR

N

3

52

GR

N

4

50

AM

B

1

61

AM

B

2

55

AM

B

3

53

AM

B

4

51

HU

B

G

L

62

SCL

63

SDA

64

DP4

48

DM4

47

DP3

44

DM3

43

DP2

37

DM2

36

DP1

16

DM1

15

DP0

4

DM0

3

XTAL1

33

XTAL2

34

RPU

5

RREF

7

DG

ND

21

DG

ND

22

DG

ND

58

DG

ND

59

AG

ND

2

AG

ND

6

AG

ND

10

AG

ND

14

AG

ND

35

AG

ND

40

AG

ND

42

AG

ND

46

VCC5

24

VCC5

56

VCC4

41

VCC1

39

TEST_HIGH

8

VCC1

9

VCC4

11

VCC2

13

VCC3

23

TEST_HIGH

38

VCC2

45

TEST_HIGH

12

VCC3

57

Qrpu NPN

5K6

RVbus

VBUS

Alternative solution for OC

Alternative solution for OC

Alternative solution for OC

Alternative solution for OC

Solder R32 to disable OC detection for port1

Solder R33  to disable  OC  detection for port2

Solder R34  to disable  OC  detection for port3

Solder R36  to disable  OC  detection for port4

Analog OC : No JUMPER

Digital OC : JUMPER

OC protection : No JUMPER

No OC protection : JUMPER

No EEPROM used: J1 & J2

EEPROM used: No J1 & J2

J5 & J6 : To disable port#3 & port#4

Summary of Contents for ISP1520

Page 1: ...ev 04 00 11 May 2004 User manual Document information Info Content Keywords ISP1520 hub controller USB universal serial bus Abstract This document describes the ISP1520 hub demo board It also contains the related schematics the PCB layout and the Bill of Material ...

Page 2: ...nformation For additional information please visit http www semiconductors philips com For sales office addresses please send an email to sales addresses www semiconductors philips com Rev Date Description 4 0 May 11 2004 Updated the schematic 3 0 April 14 2004 Updated the following Section 2 Section 4 Section 5 5 Section 6 1 1 Feb 2003 Updated Section 5 5 and Section 6 1 0 Nov 2002 First release ...

Page 3: ... ALL WARRANTIES INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANT ABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT THE ENTIRE RISK ARISING OUT OF THE USE OR PERFORMANCE OF THE PRODUCT AND DOCUMENTATION REMAINS WITH THE RECIPIENT TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW IN NO EVENT SHALL PHILIPS SEMICONDUCTORS OR ITS SUPPLIERS BE LIABLE FOR ANY CONSEQUENTIAL INCID...

Page 4: ...odLink Indicator 7 5 3 Port Power Switch Transistors 7 5 4 Overcurrent Circuit Detection 7 5 5 Power Supply 8 5 6 I2 C Bus Interface 9 6 Schematics 10 7 Installing the Board 17 8 Bill of Materials for the ISP1520 Hub demo board 18 9 References 18 GoodLink and I2 C Bus are trademarks of Koninklijke Philips Electronics N V Microsoft is a registered trademark of Microsoft Corp The names of actual com...

Page 5: ...s a large number of features and options to be evaluated This document describes the ISP1520 hub demo board It also contains the related schematics the PCB layout and the Bill of Material BoM Figure 1 1 ISP1520 Hub demo board 2 ISP1520 Hub demo board Features Complies with Universal Serial Bus Specification Rev 2 0 Supports self powered operation Configurable number of downstream facing ports from...

Page 6: ...Regulated Output 5 1VCC 5 2 5A Warning If you are using the board version 02170 2 make sure that the power plug polarity is at the core and at the outer shield 5 Hub demo board Description 5 1 ISP1520 64 Pin TQFP Package The ISP1520 has the following port configurations One Hi Speed USB and Original USB capable upstream facing port USB0 and Four Hi Speed USB and Original USB capable downstream fac...

Page 7: ... of each downstream facing port through a low ohmic PMOS transistor 5 4 Overcurrent Circuit Detection The integrated analog overcurrent detection circuit of the ISP1520 senses the voltage drop across the power switch When the port draws too much current the voltage drop across the power switch exceeds the trip voltage threshold The overcurrent circuit detects this and automatically switches off th...

Page 8: ...he PCB see schematics As a lower cost alternative there are provisions on the board to use polyswitches to handle overcurrent conditions In this case the port switching transistors are bypassed If this solution is preferred then the overcurrent detection circuit inside the chip must be switched to the digital mode Table 5 3 Mode Selection Using ADOC Default settings 5 5 Power Supply This hub demo ...

Page 9: ...e 5 1 Windows Reporting of the Self Powered Mode 5 6 I 2 C Bus Interface The ISP1520 can use either its USB descriptors from the internal ROM or from an external I2 C busTM EEPROM or microcontroller Mode selection is done through jumpers J1and J2 see Table 5 5 Table 5 5 Mode Selection Using J1 and I2 Default settings SW1 Power Mode S Self powered B Ignore J1 J2 Mode SCL SDA ON ON Internal ROM LOW ...

Page 10: ... Write Protect pin of the I2 C bus EEPROM The Hub Controller and the EEPROM have different I2 C bus device addresses To program this IC on board select the jumper according to Table 5 6 It is recommended that you program the I2 C bus EEPROM before connecting the hub to USB through the USB host For convenience the hub demo board is equipped with a socket for this component allowing easy programming...

Page 11: ...SW4 PSW2 V3 3REG 0 R R31 OC4 330R R9 RED D15 500K R5 VDN 0 1uF C20 J6 J5 V3 3REG NC R105 VIN 2 VOUT 3 VSS 1 XC6206P302 U2 REF1 1 I O1 2 I O2 3 REF2 4 HEADER 3 ESD1 REF1 1 I O1 2 I O2 3 REF2 4 HEADER 3 ESD2 REF1 1 I O1 2 I O2 3 REF2 4 HEADER 3 ESD3 REF1 1 I O1 2 I O2 3 REF2 4 HEADER 3 ESD4 REF1 1 I O1 2 I O2 3 REF2 4 HEADER 3 ESD5 VBUS1 VBUS2 VBUS3 VBUS4 VBUS1 VBUS2 VBUS3 VBUS4 VDN NC R35 J10 NC R3...

Page 12: ...Philips Semiconductors UM10014_4 ISP1520 Hi Speed USB Hub Demo Board Koninklijke Philips Electronics N V 2004 All rights reserved User manual Rev 04 00 11 May 2004 12 of 18 Component Placement ...

Page 13: ...Philips Semiconductors UM10014_4 ISP1520 Hi Speed USB Hub Demo Board Koninklijke Philips Electronics N V 2004 All rights reserved User manual Rev 04 00 11 May 2004 13 of 18 Layer 1 Top Routing ...

Page 14: ...Philips Semiconductors UM10014_4 ISP1520 Hi Speed USB Hub Demo Board Koninklijke Philips Electronics N V 2004 All rights reserved User manual Rev 04 00 11 May 2004 14 of 18 Layer 2 Ground Planes ...

Page 15: ...Philips Semiconductors UM10014_4 ISP1520 Hi Speed USB Hub Demo Board Koninklijke Philips Electronics N V 2004 All rights reserved User manual Rev 04 00 11 May 2004 15 of 18 Layer3 Power Planes ...

Page 16: ...Philips Semiconductors UM10014_4 ISP1520 Hi Speed USB Hub Demo Board Koninklijke Philips Electronics N V 2004 All rights reserved User manual Rev 04 00 11 May 2004 16 of 18 Layer 4 Bottom Routing ...

Page 17: ... to the hub The power supply must meet the requirements specified in Section 4 2 Plug a USB cable in the USB0 port and connect the other end of the cable to the USB host After a while the GoodLink LED D15 will start to blink This indicates that the enumeration process has successfully completed and the hub is now ready for use You can check the driver installation in the Device Manager window To c...

Page 18: ...0603R 10 F C15 REC1 2 Electrolytic capacitor 12 kΏ 1 R11 0603R 12 MHz X1 XTAL7 Crystal 15 kΏ R20 R19 R18 R25 R22 R24 R23 R21 0603R 22 pF C9 C8 0603C Capacitor 22 F C16 REC1 2 Electrolytic capacitor 100 kΏ R14 R15 R37 R5 R35 0603R 100 F C11 C14 C12 C13 REC15 3 Electrolytic capacitor 330 Ώ R9 0603R AT24C01 U15 DIP8 BLM41P600S L1 1206CUST DC_IN PWR_C1 DC JACK2 HEADER 3 ESD1 ESD2 ESD5 ESD4 ESD3 SOT 14...

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