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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acknowledgement.

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

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

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