Texas Instruments TPS2120EVM, Руководство пользователя

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J14
1
2
J15
VIN1
2.7V to 22V
GND
VOUT
4A Max
GND
VOUT VIN1
J21
VIN2
2.7V to 22V
GND
GND
OV1 Resistors
GND
1
2
3
JP1
GND
1
2
3
JP2
GND
PR1 Resistors
VIN1
PR1
VIN2
ST Connector
5k
R13
GND
OV2 Resistors
GND
OV2
CP2
OV2
PR1_TP
ST_TP
OV1_TP OV2_TP
VIN2
GND
GND GND
1
2
3
JP3
GND
GND
GND
GND
Cout Capacitors Rout Resistors Female Header
Vout
1
2
J16
XREF/CP2_TP
ST
Recommended input voltages:
3.3V 5V 12V 3.3V 5V 12V
3.3V 5V 12V 3.3V 5V 12V
CP2 Resistors
0.1uF
C3
0.1uF
C10
GND
GND
VIN1
GND GND GND GND GND GND GND GND
GND
GND
20V
D1
20V
D3
0.1uF
C4
0.1uF
C11
10.2k
R7
10.2k
R10
18.2k
R8
18.2k
R11 13.7k
R1
23.7k
R2
63.4k
R3
5.00k
R14
OV1
13.7k
R4
23.7k
R5
63.4k
R6
5.00k
R17
0.01uF
C12
1uF
C13
TP1
TP4
TP5
TP8
TP11
TP9
TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19
TP3
TP2
TP6
TP10
TP7
5.00k
R15
GND
GND
IN1
7
OUT
1
ST
9
ILM
10
SS
11
GND
12
OUT
8
IN2
2
CP2
3
OV2
4
OV1
5
PR1
6
TPS2121RUXR
U1
OV1
ST
PR1
CP2
20V
D2
GND
100uF
C5
220uF
C7
GND
100uF
C6
GND
0.1uF
C1
GND GND
0.1uF
C2
0.1uF
C8
GND GND
0.1uF
C9
51.1k
R20
21.5k
R21
5
R18
5
R19
3.3V, 5V, and 12V @ 4A Imax
J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12
J13
J17 J18 J19 J20
J22 J23
Maximum Output Voltage: 22V
PR1
ILIM
49.9k
R9
49.9k
R12
10.7k
R16
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Schematic
9 SLVUBD2A – September 2018 – Revised January 2019
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TPS212x Evaluation Module
5 Schematic
Figure 3 illustrates the TPS2121 schematic and Figure 4 illustrates the TPS2120 schematic.
Figure 3. TPS2121 Schematic