VDD
1
DEN
2
CLS1
3
VSS
4
VSS
5
CLS2
6
REF
7
AMPS_CTL
8
MPS_DUTY
9
APD
10
RTN
11
RTN
12
PG
13
VC_OUT
14
VC_IN
15
UVLO_SEL
16
TPL
17
TPH
18
BT
19
NC
20
PAD
21
U1
TPS2373-4RGW
VDD
VSS1
TP9
TP17
VDD
VSS1
Port Current
0.1µF
C29
J11
24.9k
R30
63.4
R31
VSS
1.21k
R36
249
R35
140
R34
90.9
R33
C
la
s
s
3
C
la
s
s
2
C
la
s
s
1
C
la
s
s
0
63.4
R37
1
2
3
4
5
6
7
8
9
1
0
J10
C
la
s
s
4
4-Pair
90.9
R32
C
la
s
s
4
C
la
s
s
3
1
2
3
4
J7
49.9k
R40
2k
R39
1.00k
R38
TP16
AMPS_CTL
TP18
REF
A
M
P
S_
C
o
n
n
e
c
t
TP19
VSS
J12
TPH
TPL
BT
MPS_DUTY
RTN
100µF
C62
DNP
PG
RTN
TP14
TP15
TP10
VDD
MPS_DUTY
1
2
3
J5
VSS
53.6k
R25
VSS
TP7
MPS_DUTY
Yellow
D28
Yellow
D29
Yellow
D30
TPH
TPL
BT
3.74k
R26
3.74k
R27
3.74k
R28
TPH
TPL
BT
J4
TP11
TP12
TP13
BIAS
RTN
RTN
RTN
RTN
VCIN
GND
VOUT
RON
1
ROFF
2
VREF
3
SYNC
4
GND
5
CS
6
RSLOPE
7
FB
8
SS/SD
9
PGND
10
AUX
11
OUT
12
PVDD
13
VDD
14
LINEUV
15
LINEOV
16
NC
17
VIN
18
NC
19
RTDEL
20
EP
21
U2
UCC2897ARGPR
2.2µF
C31
2.2µF
C30
RTN
200kHz
VCOUT
VDD
RTN
RTN
RTN
RTN
RTN
RTN
1000pF
C52
RTN
GND
D33
1.4V
D35
1.4V
D36
1.4V
100µF
C35
RTN
4
7
,8
1
,2
,3
5
,6
,
Q14
2.2µF
C33
2.2µF
C32
RTN
2
,4
Q17
1
2
4
3
U3
HMHA2801A
RTN
RTN
RTN
150V
7
,8
1
,2
,3
5
,6
,
Q16
2
,4
Q12
D31
1
0
0
V
10V
D32
511
R41
1.82k
R45
7
,8
1
,2
,3
5
,6
,
Q15
0.033µF
C34
30V
7,8
1,2,3
5,6,
Q13
0.075
R47
2
1
3
U4
TLV431AIDBZR
VOUT
GND
665
R57
1µF
C60
3.3µH
L5
100µF
C36
470µF
C37
0.047µF
C47
GND
D34
0.88V
5V/14A
VCOUT
1.18k
R52
60.4k
R48
12.1k
R53
182k
R49
SS
SS
TP27
VIN
VCIN
VCOUT
0.1µF
C49
1µF
C55
RTN
10.0k
R43
0.1µF
C46
1.00k
R46
0.047µF
C50
1000pF
C53
20k
R50
100k
R51
90.9k
R54
100k
R56
1µF
C56
2.00k
R61
7.68k
R59
1µF
C57
50
R55
10.0k
R62
10.0k
R58
0.047µF
C58
20.0k
R63
1µF
C59
3.16k
R64
J13
1000pF
100V
C24
1000pF
100V
C25
40-57VDC
GND
300 ohm
L3
DNP
300 ohm
L4
DNP
J3
RTN
237k
R23
9.53k
R24
0.01µF
C26
APD
APD
APD
TP21
VDS
TP25
RTN
VCIN
TP24
TP26
FB
TP22
GATE
TP20
VOUT
TP23
GND
TP28
LOOP
0
R44
100µF
C28
47pF
C48
J6
APD_Connect
APD
1
3
2
D27
100V
4.9µH
L7
1
3
2
D38
30V
1000pF
C63
DNP
GND
R64 = 3.01k for 5.3V Output
R64 = 2.87k for 5.5V Output
470pF
C27
D37
100V
10
R42
7% DUTY
11.2% DUTY
OPEN: 5.4%
Yellow
D39
GND
1.33k
R65
J15
LED
0.01µF
C64
0.1µF
C65
TP29
UVLO_SEL
0
R66
RTN
RTN
10.0k
R70
191k
R69
ADPT
250µH
1
2
3
4
L11
TP30
VCOUT
1mH
L6
0.1µF
C69
4700pF
C72
4700pF
C71
4700pF
C70
2.2µF
C68
8
6
11
10
2
5
3
4
7
1
T2
750343164
Copyright © 2017, Texas Instruments Incorporated
www.ti.com
Schematic
5
SLUUBJ1A – February 2017 – Revised June 2017
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
TPS2373-4EVM-758 Evaluation Module
Figure 2. TPS2373-4EVM-758 PD and DC/DC Converter Schematic