ST STEVAL-USBPD45H Guide de l'administrateur
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
L1
220K
Schematic values for 5V, 12V, 15V
Vout
1
J2
1Pin .100 Header
LINE
D4 5
GND
C18
13
1HV
STTH1R06A
R29
R10
NC
1Pin .100 Header
Qc1
CC2
1.5nF-100V
VBUS_DISCH
2
BSS138
D3
GD
SENSE
FB
ZCDAUX
REF
2.86K 1%
Short out
D3 6
HV
-X 275V
C7
100nF
0.03
DRAIN
R38
4
R34 R35
STCH02
3
VBus
2
GND
R15
5D4
D
22K
3
L2
D51N4148W
R35
R30
1J8
1Pin .100 Header
I_PDO3
K
C12
8
VDD
U3
GND
+
-
~
~
1k
22uF 50V
2KBP06M
GND
FB
3
PDO3
NEUTRAL C6
VBUS_EN_SRC
GND
220
100uH
VOUT_HI_LOAD
GND_OUT
K
220K 1%
A
R27
VDD
Vout
4
2.2nF -1KV
R22
68uF-400V
20K
CATHODE
STS10P3LLH6
R20
A
GND_OUT
LINE
C10
R39
STF10LN80K5
0.25R
CC1
9V: 7.5K 63.4K
1
6
22K 1%
GND
Rc1
STS5P3LLH6
2
GND
2S2
R33
D7
G
4
1.6k
4R7
15V
5
C8
3
SFH617-A2
VBus
NM
9.1K 1%
NM
PDO2PDO3
11
12
P2
1
R11
S
3S3
QSW1
NEUTRAL
U4A
33R
8
GND_OUT
100K
10
GND_OUT
R34
C13
QD1
VDD
R18
VBUS_EN_SRC
PDO2
R19
D4
strip line conn
R12
2
R16
V_Current_Sense
1
2
3
4
5
6
7
8
9
R21
0.33R
R38 R39
9V: 16.2K 150K
12V: 22k
2
150K 1%
GND
R24
D1
B
2.2nF -Y
1Pin .100 Header
C9
C15
V_Current_Sense
HV
220pF
1
not in layout
D3
6
R26
2NC
1
TLVH431
360K
K
S3 3
A
R32
U4B R25
12V: 2.86k 27K
3
F1
GND_OUT
R31
GND_OUT
5
R
U6
4R7
A
GND_OUT
C17
1k
GND
R9
R23
1J7
1Pin .100 Header
GND
R36
7
GD
10mH
1
J4
G4
ZCD
BC847C
27K 1%
SFH617-A2
R14
2
D2 7
100nF
DNM
S1
1
T1
Sumida T91402B
C14
2
NM
12K
4
CC1
GAT1E
D1 8
GND
R13
10k VBUS_DISCH
C
44
GND
SENSE
V_Current_Sense
S2 2
A
3
C16
RM1
R17
1J6
2.5A-F-250V
Vout
GND
1
Q2
470K 1%
G
7D2
1K
100K 1%
R28
22uF 50V
A
10uF 25V
BAV103
C11
30K
KD6
S1 1
GND
GND
3.9
Q3
680uF-25V
VBus
D2
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
C2
C1
1µ X7R
GND GND
1
2
3
4
5
6
7
8
9
10
11
12
P1
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
+
4
-
3
+V 5
U2
TS881ILT
2V7
GND
CC1
CC2
PDO3 PDO2
R6
0
C4
100n
GND
R4
1k
R8
1k
V_Current_Sense
R3
100k 1%
R5
3.01k 1%
R21
1k 1%
GND
1V2
R31
0k
R1
100
C5
10n
GND
1
2
3
P3
Header 3
GND
SCL
SDA
SCL
SDA
1
2
3
D2
ESDA25L
GND
GND
VOUT_HI_LOAD
1V2
R2
10k
GND
C21
GND
NC
1
CC1
2NC
3
CC2
4NC
5
RESET
6
SCL
7
SDA
8ALERT#
9
GND
10 ISEL_PDO3
11
ISEL_PDO2
12
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
U1
STUSB4700GND
1µ X7R
1µ X7R
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.
© 2017 STMicroelectronics –All rights reserved
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