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STUSB4500 数据表(PDF) 24 Page - STMicroelectronics

部件名 STUSB4500
功能描述  Standalone USB PD sink controller with short-to-VBUS protections
PDF  41 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STUSB4500 数据表(HTML) 24 Page - STMicroelectronics

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6.2
Typical applications
6.2.1
Sink USB PD application with dual high power charging paths
6.2.1.1
Application schematic
Figure 8. Implementation example with POWER_OK pins configuration #2 (default)
22
24
23
21
VBus_EN_SNK 16
Power_OK2 20
A_B_Side 17
SCL 7
SDA 8
Addr0
12
Addr1
13
Attach 11
Power_OK3 14
GPIO 15
Disch 9
Reset 6
CC2DB
5
CC2
4
CC1
2
CC1DB
1
VBUS_VS_Disch
18
ALERT# 19
Standalone USB PD controller
with SINK auto-run mode
GND
10
ExpPAD
0
3
U1
STUSB4500
C2
1µF
C3
1µF
C1
1µF
CC1
CC2
2V7
2V7
R54
100k
R52
NC
R51
NC
R53
100k
GND
A1
Tx+1
A2
Tx-1
A3
Vbus
A4
CC1
A5
D+1
A6
D-1
A7
Sbu1
A8
Vbus
A9
Rx-2
A10
Rx+2
A11
GND
A12
GND
B1
Tx+2 B2
Tx-2 B3
Vbus B4
CC2 B5
D+2 B6
D-2 B7
Sbu2 B8
Vbus B9
Rx-1 B10
Rx+1 B11
GND
B12
TYPE C
USB 3.1
J1
tcD_N
tcD_P
tcD_N
tcD_P
CC1
CC2
Vbus
R1
470
R2
1k
T4
STL6P3LLH6
R10
100k
R11
22k
T1
STL6P3LLH6
R20
100k
R21
22k
T2
STL6P3LLH6
Vsnk_PDO2
GPIO
Power_PDO3
Power_PDO2
A_B_Side
Attach
SCL
SDA
Alert#
Reset
R32
10k
R30
100k
R33
22k
T3
STL6P3LLH6
Vsnk_PDO3
R31
10k
2V7
R55
100k
Vsnk
R12
NC
J10
VSNK
J20
PDO2
J30
PDO3
C20
100nF
C10
100nF
C30
100nF
3V3
J11
J21
J31
J2
T30A
T30B
Disch
J1-B
GND
J1-A
Vbus
C50
4.7µF
D1
ESDA25W
D11
ESDA25P35
D21
ESDA25P35
D31
ESDA25P35
D50
ESDA25P35
R13
100
R24
100
R34
100
R4
1k
C4
1µF
D4
6.2.1.2
VBUS power path activation
Table 19. VBUS power path activation versus negotiated PDO contract
Negotiated
PDO contract
Transistors T4/T1
(VBUS_EN_SNK)
Transistor T2
(POWER_OK2)
Transistor T3
(POWER_OK3)
Implicit 5 V USB Type-C
or PDO1 contract
ON
OFF
OFF
PDO2 contract
ON
ON
OFF
PDO3 contract
ON
OFF
ON
STUSB4500
Typical applications
DS12499 - Rev 2
page 24/41



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