Texas Instruments TPS6420xEVM-023, User Manual

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Schematic
4-3 Bill of Materials and Schematic
4.2 Schematic
Figure 4−1. TPS6420xEVM Schematic
+
J1
VIN
1 2
J2
1 2
C4
10
µ
F
1
C5
R4
100
k
Ω
1
JP1
1 2 3
U1
TPS64202DBV
EN GND FB
6 5 4
SW
VIN
ISENSE
R6 0
Ω
0
Ω
G
2 R7 R5
S
D
D1
MBRM120
R8
Q1 SI2323
L1
5
µ
H
C7
3 3
R1
619
k
Ω
R2
365
k
Ω
C1
4.7 pF
C2
47
µ
F
1
C3
R3
0.033
Ω
1 2 1 2
J3 J4
VOUT GND
1
User Defined
2
Short R5 and R3 and Open R6 to Allow Current Sense Using Q1’
s Rds On.
Optional Snubber Circuit – Not Installed
3
GND