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
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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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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