EZ-PD™ CCG7D Automotive USB Type-C and Buck-boost Controller
Dual-port
Applications
Figure 14 shows a RSC buck application block diagram using CCG7D. This application uses the integrated buck
controller to supply the required voltage and current to the connected device. This application is identical to the
Rear Seat Charger application, except that this application uses only buck topology when compared to the
buck-boost topology in the standard RSC application. In a buck application, the negotiated voltage should
always be lower than the input voltage. If the input voltage drops lower than the output voltage, then the output
voltage will not be maintained and the port will shut down. This application can also be configured to support
the legacy charging protocols – BC1.2 DCP, Qualcomm QC2.0/3.0, Apple charging, and Samsung AFC.
(USB PD, 3.3 V-11 V, 3A)
5 m
5 m
VIN
VBUS
Battery Input
VDDD
VDDD
0. 1μF
0. 1μF
VDDD
68
67
1
2
5
9
7
8
6
11
12 13
17
14
1μF
4
PVDD_0
PGND_0
66
CSNI_0
3
65
61
62
CSPI_0
VIN
18
CSN_0_GPIO0
5 m
19
20
GND
CC1
CSP_0_GPIO1
GPIO2
VCCD
0. 1μF
10
COMP_0
15
16
CC1_0
CC2_0
390 pF
69
64
34
GND (EPAD)
GND
GND
CC2
390 pF
AGND
29
30
GPIO9
DP
23
24
DP_0_GPIO5
DM_0_GPIO6
GPIO10
DM
21
22
GPIO3
GPIO4
63
25
VDDD
10μF
VDDD
1μF
VDDD
VDDD
0.1μF
CYPD729X- 68LQXQ
VDDD
AGND
1
2
3
0.1μF 1μF
48
PVDD_1
PGND_1
XRES
28
57
56
49
33
XRES
SWD_CLK
4
CSN_1_GPIO13
GPIO15
GPIO14
5 m
SWD_DAT
5
32
31
37
GND
CSP_1_GPIO12
GPIO11
Programming Header -
GPIO16
58
GPIO16
not needed for final production
CC1
CC2
P1_NTC[0]
P0_NTC[0]
59
60
CC1_1
GPIO17
GPIO18
390 pF
390 pF
36
CC2_1
42
COMP_1
27
26
DP
DP_1_GPIO8
DM_1_GPIO7
DM
55
54
CSPI_1
CSNI_1
52
51 50
43
45
VDDD
44 46 41
40 39
35
0. 1μF
38
53
47
VDDD
0. 1μF
VBUS
VIN
5 m
5 m
(USB PD, 3.3-11 V, 3A)
Figure 14
CCG7D RSC buck application diagram
Datasheet
28
002-28172 Rev. *N
2023-01-31
INFINEON [ Infineon ]
