ST STEVAL-USBPD45H Guida per l'amministratore

November 2017

DocID031047 Rev 2

1/5

For further information contact your local STMicroelectronics sales

office

www.st.com

STEVAL-USBPD45H

USB Power Delivery (Type-C PD) 45 W USB wall power adapter

solution based on STCH02 and STUSB4700

Data brief

Features

USB wall power adapter input: 85 VAC to

264 VAC

USB voltage output: 5 V, 9 V and 15 V

Current limit: 3 A for all voltage level profiles

Load power limited to 45 W

Cable compensation

Isolated quasi-resonant flyback

Efficiency 90% (approx.)

USB Type-C Power Delivery compatible

USB-IF certified

Description

This board has been physically tested and

validated; it is not for sale.

This USB Power Delivery wall adapter is a USB-

IF certified solution with a 45 W isolated power

supply with USB Power Delivery controller.

This USB Type-C PD wall power adapter design

is for universal line voltage applications based on

the STCH02 Primary controller and STUSB4700

USB PD controller.

The 5 V, 9 V and 15 V USB output voltage

profiles all have a 3 A rating.

The offline power supply is implemented in an

isolated flyback topology based on the STCH02

quasi-resonant controller with ultra-low standby

power consumption. The USB Power Delivery

(PD) is managed by the STUSB4700 and is

Type-C compatible: power negotiation, Vbus

discharge, protections, etc. are entirely managed

by the IC.

The USB power supply architecture connects a

power board with a controller board. This design

optimizes the form factor and lets you scale the

power section up or down to suit different USB

Power Adapter applications.

Schematic diagrams

STEVAL-USBPD45H

2/5

DocID031047 Rev 2

Schematic diagrams

Figure 1: Power board schematic diagram

220K

Schematic values for 5V, 12V, 15V

Vout

1Pin .100 Header

LINE

D4 5

GND

C18

1HV

STTH1R06A

R29

R10

1Pin .100 Header

Qc1

CC2

1.5nF-100V

VBUS_DISCH

BSS138

SENSE

ZCDAUX

REF

2.86K 1%

Short out

D3 6

-X 275V

100nF

0.03

DRAIN

R38

R34 R35

STCH02

VBus

GND

R15

5D4

22K

D51N4148W

R35

R30

1J8

1Pin .100 Header

I_PDO3

C12

VDD

GND

22uF 50V

2KBP06M

GND

PDO3

NEUTRAL C6

VBUS_EN_SRC

GND

220

100uH

VOUT_HI_LOAD

GND_OUT

220K 1%

R27

VDD

Vout

2.2nF -1KV

R22

68uF-400V

20K

CATHODE

STS10P3LLH6

R20

GND_OUT

LINE

C10

R39

STF10LN80K5

0.25R

CC1

9V: 7.5K 63.4K

22K 1%

GND

Rc1

STS5P3LLH6

GND

2S2

R33

1.6k

4R7

15V

SFH617-A2

VBus

9.1K 1%

PDO2PDO3

R11

3S3

QSW1

NEUTRAL

U4A

33R

GND_OUT

100K

GND_OUT

R34

C13

QD1

VDD

R18

VBUS_EN_SRC

PDO2

R19

strip line conn

R12

R16

V_Current_Sense

R21

0.33R

R38 R39

9V: 16.2K 150K

12V: 22k

150K 1%

GND

R24

2.2nF -Y

1Pin .100 Header

C15

V_Current_Sense

220pF

not in layout

R26

2NC

TLVH431

360K

S3 3

R32

U4B R25

12V: 2.86k 27K

GND_OUT

R31

GND_OUT

4R7

GND_OUT

C17

GND

R23

1J7

1Pin .100 Header

GND

R36

10mH

ZCD

BC847C

27K 1%

SFH617-A2

R14

D2 7

100nF

DNM

Sumida T91402B

C14

12K

CC1

GAT1E

D1 8

GND

R13

10k VBUS_DISCH

GND

SENSE

V_Current_Sense

S2 2

C16

RM1

R17

1J6

2.5A-F-250V

Vout

GND

470K 1%

7D2

100K 1%

R28

22uF 50V

10uF 25V

BAV103

C11

30K

KD6

S1 1

GND

3.9

680uF-25V

VBus

GND

47k

FERD20H100STS

33nF

not in layout

STEVAL-USBPD45H

Schematic diagrams

DocID031047 Rev 2

3/5

Figure 2: Control board schematic diagram

VBus

VBUS_DISCH

Vout

1µ X7R

GND GND

strip line conn

GND

VBUS_EN_SRC

2V7

GND

Connect exposed PAD to GND

Vout

VBUS_DISCH

VBus

PDO3PDO2

CC1

CC2

GND

VBUS_EN_SRC

V_Current_Sense

-V 2

Out 1

+V 5

TS881ILT

2V7

GND

CC1

CC2

PDO3 PDO2

100n

GND

V_Current_Sense

100k 1%

3.01k 1%

R21

1k 1%

GND

1V2

R31

100

10n

GND

Header 3

GND

SCL

SDA

SCL

SDA

ESDA25L

GND

VOUT_HI_LOAD

1V2

10k

GND

C21

GND

CC1

2NC

CC2

4NC

RESET

SCL

SDA

8ALERT#

GND

10 ISEL_PDO3

ISEL_PDO2

ADDR0 13

VSEL_PDO2 14

VSEL_PDO3 15

NC 16

A_B_SIDE 17

VBUS_SENSE 18

Vbus_disch 19

Vbus_en_src 20

VREG_1V2 21

VSYS 22

VREG2V7 23

VDD 24

EP 25

STUSB4700GND

1µ X7R

Revision history

STEVAL-USBPD45H

4/5

DocID031047 Rev 2

Revision history

Table 1: Document revision history

Date

Version

Changes

19-Oct-2017

Initial version

13-Nov-2017

Updated cover page image, description and Figure 2: "Control board

schematic diagram".

STEVAL-USBPD45H

DocID031047 Rev 2

5/5

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improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST

products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order

acknowledgement.

Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the

design of Purchasers’ products.

No license, express or implied, to any intellectual property right is granted by ST herein.

Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.

ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.

Information in this document supersedes and replaces information previously supplied in any prior versions of this document.

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