Texas Instruments TPSM84424EVM, User Manual

Page: 8 / 17

VIN
VIN
PGND
VOUT
PGND
VIN
AGND
EN
TP5
TP3 TP4
15.0k
R5
1
2
J3
1
2
J4
R3
VIN
AGND
AGND
PGOOD
TP2
100µF
C12
PGND
VOUT
EN
TP1
PGOOD
TP7
2.00k
R28
PGND
1
2
J2
1
2
J1
10µF
C1
VIN: 4.5V-17V VOUT: 0.6V-10V
TP9
TP10
FB
VIN
11
PGND
13
DNC
4
PGOOD
7
EN
10
AGND
23
AGND
9
AGND
3
FB
2
SW
16
VOUT
1
VIN
22
PGND
14
PGND
15
PGND
18
RT/CLK
24
VOUT
8
PGND
12
PGND
21
SW
17
PGND
20
PGND
19
TT
5
SS/TRK
6
U1
TPSM84824MOL
C14
47pF
C13
C7
SS
RTT
SELECT
1 2
3 4
5 6
7 8
9 10
11 12
P3
TT
C11
RT
VOUT
SELECT
2.21k
R8
10.0k
R6
866
R10
1.37k
R9
1.8V
1.2V
4.99k
R7
5V
Fsw
SELECT
1 2
3 4
5 6
7 8
9 10
11 12
P1
48.7k
R14
143k
R11
110k
R12
82.5k
R13
1250kHz
1000kHz
450kHz
600kHz
38.3k
R15
350kHz
AGND
30.9k
R25
PGND
VOUT
0
R23
SW
D1
100k
R26
7.5V
1 2
3 4
5 6
7 8
9 10
11 12
P2
1.0V
3.01k
R18
2k
6k
10µF
C2
VIN
11k
3.3V
PGND
CLK
VOUT
86.6k
R24
18k
28k
11.3k
R20
18.2k
R21
28.0k
R22
AGND
10.0k
R1
AGND
C8
PGND
R27
R2
6.04k
R19
R4
2.00k
R17
3k
PULLUP
TP6
TP8
47µF
C3
47µF
C4
47µF
C5
47µF
C6
35.7k
R16
1350kHz
C9 C10 C15 C16
TP12
Copyright © 2017, Texas Instruments Incorporated
Schematic
www.ti.com
8 SNVU581A – November 2017 – Revised March 2018
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Copyright © 2017–2018, Texas Instruments Incorporated
Using the TPSM84824, TPSM84624, and TPSM84424EVM
6 Schematic
Figure 7 is the schematic for the TPSM84824EVM. The schematic for the TPSM84624EVM and TPSM84424EVM is identical with the only
difference is the U1 IC.
Figure 7. TPSM84824EVM Schematic