Texas Instruments TPS25740AEVM-741, User Manual, Page: 5 / 32

12V to 24V (Tip +)
GND
VIN
1
3
2
J4
GND
0.1µF
C15
VCC
4.7µH
L1
10
R2
64.9k
R12
93.1k
R11
R7
0
DNP
VCC
10
R6
130k
R1
4.7µF
C37
4.7µF
C38
GND
4.7µF
C33
68µF
C9
4.7µF
C36
LDRV2
BIAS
BOOT1
BOOT2
LDRV1
J1
VIN
VIN
VINSNS
MODE
DITH
SS
COMP
J3
GND
5V, 9V, 12V, 15V, or 20V Output @ 5A
30V
D1
VCC
10
R3
100µF
C41
0.22µF
C1
0.22µF
C8
100pF
C10
0.22µF
C16
C12
100p
DNP
4.7µF
C21
4.7µF
C18
GND
TP6
SYNC
HDRV1_N
LDRV1
HDRV1_P HDRV2_P
HDRV2_N
LDRV2
10
R32
100pF
C3
SYNC
100V
D2
100V
D3
TP8
EN_DCDC
GND
GND
GND
EN
1
VIN
2
VINSNS
3
MODE
4
DITH
5
RT/SYNC
6
SLOPE
7
SS
8
COMP
9
AGND
10
FB
11
VOSNS
12
ISNS-
13
ISNS+
14
CSG
15
CS
16
PGOOD
17
SW2
18
HDRV2
19
BOOT2
20
LDRV2
21
PGND
22
VCC
23
BIAS
24
LDRV1
25
BOOT1
26
HDRV1
27
SW1
28
PAD
U1 LM5175PWP
1.0k
R10
0.027µF
C13
0
RH2
0
RL1
GND
DCDC_OUT
GND
LDRV1
LDRV2
HDRV1_P
HDRV2_P
HDRV2_N
0.1µF
C4
HDRV1_N
0.22µF
C2
GND
BIAS
GND
100
R13
100
R15
CS_P
CS_N
DCDC_OUT
9.53k
R24
49.9k
R21
GND
TP7
PGOOD
1µF
C6
TP1
VIN
TP3
GND
TP2
DCDC_OUT
TP4
GND
0
RL2
220pF
C14
FB
VIN_IC
NT1
Net-Tie
NT2
Net-Tie
VOSNS
SLOPE
9V to 16V Input, 42V Maximum
47
R18
23.7k
R4
GND
7,
8
1,
2,
3
5,
6,
Q2
7,
8
1,
2,
3
5,
6,
Q4
7,
8
1,
2,
3
5,
6,
Q1
7,
8
1,
2,
3
5,
6,
Q3
GND GND
VRS
4.7µF
C34
4.7µF
C35
4.7µF
C39
4.7µF
C40
Q5
DNP
TP5
UFPb
CTL2
CTL1
UFPb
VOSNS
0.006
RS1
2.94
RH1
1µF
C19 DNP
1µF
C20 DNP
220pF
C17
0.047µF
C11
510
R17
DNP
VBUS
100k
R44
DNP
200k
R16
DNP
1
3
2
30V
D9
220pF
C24
GND
Q9
DNP
0
R20
0
R23
0
R40
5.62k
R19
0.022µF
C31
0.1µF
C32
200k
R8
ENMVb
GND
1µF
C42 DNP
R49
DNP
0
R50
DNP
49.9k
R55
PGOOD_DCDC
4.99k
R22
( R19: 9.76 k for TPS25740A ) Ω
( R22: 6.65 k for TPS25740A ) Ω
Copyright © 2016, Texas Instruments Incorporated
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Schematic
5 SLVUAP7A – April 2016 – Revised September 2016
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Copyright © 2016, Texas Instruments Incorporated
TPS25740EVM-741 and TPS25740AEVM-741 Evaluation Module User Guide
3 Schematic
Figure 2 and Figure 3 illustrate the EVM schematic.
Figure 2. LM5175 Buck-Boost Power Supply