Texas Instruments TPS25762Q1EVM-146, Руководство пользователя

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6.5 Sub Schematic – TPS55288-Q1
This schematic is SS3 sub-schematic of the main schematic. Figure 6-7 shows the TPS55288-Q1 circuit
of TPS25772Q1EVM-149, and TPS25772Q1EVM-150. TPS55288-Q1 provides the power for port B. The
components of this circuit is not installed on the single port TPS25762Q1EVM-146 as
Figure 6-8 shows.
MB_SW1
MB_SW2
COMP
ILIM
CDC
1
DR1L
TPS55288QRPMRQ1
2
DR1H
3
VIN
4
EN
5
SCL
6
SDA
7
DITH/SYNC
17
ILIM
9
PGND
MODE
15
VOUT
11
ISP
12
ISN
13
FB
14
AGND
10
CDC
16
8
FSW COMP
18
VCC
19
BOOT2
20
SW2
21
22
BOOT1
SW1
23
PGND
24
SW2
25
VOUT
26
U10
10µF
C69
10µF
C70
10µF
C71
NT2
GND
GND
GND GND GND
10µF
50V
C60
10µF
50V
C61
50V
1µF
C62
1.00
R71
1.00
R69
2.2
P
R65
DN
2.2
P
R68
DN
4.7uH
L10
1.00
R70
XAL1010-472MEB
50V
1µF
C63
4.7µF
25V
C74
50V
1µF
C68
1µF
C72
49.9k
R74
50V
0.1uF
C64
50V
0.1uF
C66
0.01
R72
4
2 6-7-8 5-
1
3
Q6
NVTFS5C453NLWFTAG
4
2 1
5
-6
-7
-8
3
Q7
NVTFS5C453NLWFTAG
GND
50V
0.022uF
C75
150k
R76
GND
MODE
GND
50V
MB_SYNC
68µF
C59
250V
3.3nF
DNP
C57
250V
3.3nF
DNP C58
VCC
AGND
PB_VBUS
VIN_FILT
SYNC
3 2 1
J15
68001-403HLF
I2C1_SDA
I2C1_SCL
SH-J14
TP27 TP28
14.3k
R75
24.9k
R73
50V
4700pF
C76
8
P
0.6k
R97
DN
20.0k
P
R99
DN
50V
100pF
DNP
C105
10.0k
R98
10µF
DNP C112
SN+
10.0
R122
10.0
R134
20.0k
R77
GND
GND
10µF
C73
25V
220nF
C65
1
2
3
Q8
GND
DISCHG_G
3
2
1
J20
68001-403HLF
BJ_LDO_3V3
GPIO
10k
R67
Green
2
1
D22
GND
51k
R139
510
R61
510
R64
35V
100uF
C67
SH-J17
Figure 6-7. TPS55288-Q1 Circuit
MB_SW1
MB_SW2
COMP
ILIM
CDC
1
DR1L
TPS55288QRPMRQ1
2
DR1H
3
VIN
4
EN
5
SCL
6
SDA
7
DITH/SYNC
ILIM
17
9
PGND
MODE
15
VOUT
11
ISP
12
ISN
13
FB
14
AGND
10
CDC
16
FSW
8
COMP
18
VCC
19
BOOT2
20
SW2
21
BOOT1
22
SW1
23
PGND
24
SW2
25
VOUT
26
U10
DNP
10µF
DNP C69
10µF
DNP C70
10µF
DNP C71
NT2
DNP
GND
GND
GND GND GND
10µF
50V
DNP
C60
10µF
50V
DNP
C61
50V
1µF
DNP
C62
1
P
.00
R71
DN
1.00
R69
DNP
2.2
P
R65
DN
2.2
P
R68
DN
4.7uH
L10
DNP
1
P
.00
XAL1010-472MEB
R70
DN
50V
1µF
DNP C63
4.7µF
25V
50V
C74 DNP
1µF
DNP C68
1µF
DNP
C72
4
P
9.9k
R74
DN
50V
DNP
0.1uF
C64
50V
0
DNP
.1uF
C66
0.01
R72
DNP
4
2 6-7-8 5-
1
3
Q6
DNP
NVTFS5C453NLWFTAG
4
2 1
5
-6
-7
-8
3
Q7
NVTFS5C453NLWFTAG
DNP
GND
50V
0.022uF
DNP C75
150k
P
R76
DN
GND
MODE
GND
50V
MB_SYNC
68µF
C59
250V
DNP
3.3nF
DNP C57
250V
3.3nF
DNP
C58
VCC
AGND
PB_VBUS
VIN_FILT
SYNC
3 2 1
J15
DNP
68001-403HLF
I2C1_SDA
I2C1_SCL
SH-J14
DNP
N
TP27
D P
TP28
DNP
P
14.3k
R75
DN
P DN
24.9k
R73
50V
4700pF
DNP C76
8
P
0.6k
R97
DN
20.0k
P
R99
DN
50V
100pF
DNP C105
10.0k
R98
DNP
10µF
DNP
C112
SN+
10.0
P
R122
DN
10.0
P
R134
DN
20.0k
P
R77
DN
GND
GND
10µF
DNP C73
25V
220nF
C65
DNP
2
3
Q8
1
DNP
GND
DISCHG_G
3
2
1
J20
DNP
68001-403HLF
BJ_LDO_3V3
GPIO
10k
P
R67
DN
Green
2
1
DNP
D22
GND
51k
P DN
R139
510
P
R61
DN
510
P
R64
DN
35V
100uF
C67
DNP
SH-J17
DNP
Figure 6-8. Single Port TPS55288-Q1 Circuit
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