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2
General Configurations
2.1
TPS2121 Configurations
This section provides an overview of the TPS212x evaluation board input and output jumpers.
describes the input and output connectors on the EVM.
functionality, while
Input
VIN1
VIN2
VOUT
TP12, TP13, TP14, TP15,
GND
TP16, TP17, TP18, TP19
Input
VIN1
VIN2
VOUT
Input
VIN1
VIN2
SLVUBD2A – September 2018 – Revised January 2019
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Table 4
describes the jumper functionality and configurations.
Table 2. TPS2121 Input and Output Connector Functionality
Connector
J21
TP8
TP6
J14
TP11
TP6
J15
TP9
TP7
Table 3. TPS2121 Test Points Description
Connector
TP1
TP4
TP2
TP3
TP5
Table 4. TPS2121 Jumper Description
Connector
PR1 Resistors (3.3 V, 5 V, 12
J1, J2, J3
OV1 Resistors (3.3 V, 5 V, 12
J4, J5, J6
JP1
CP2 Resistors (3.3 V, 5 V, 12
J7, J8, J9
OV2 Resistors (3.3 V, 5 V, 12
J10, J11, J12
J13
Copyright © 2018–2019, Texas Instruments Incorporated
Table 3
describes the different test points and
Label
VIN1 + , GND -
VIN1
VIN1_SNS
VIN2 + , GND -
VIN2
VIN2_SNS
VOUT +, GND -
VOUT
VOUT_SNS
GND
Label
OV1
PR1
OV2
CP2
ST
Label
Sets priority operation based on voltage
V)
Sets overvoltage protection for VIN1
V)
PR1
Position 1-2 sets VCOMP (GND)
Position 2-3 sets VREF, XCOMP, XREF
Sets XCOMP operation based on voltage
V)
Sets overvoltage protection for VIN2 channel
V)
CP2
General Configurations
Table 2
Description
Input block header for VIN1
Input test point for VIN1
Input sense connector for VIN1
Input block header for VIN2
Input test point for VIN2
Input sense connector for VIN2
Output block header for VOUT
Output test point for VOUT
Output sense connector for VOUT
Test point for GND
Description
Overvoltage test point for VIN1
Priority test point for VIN1
Overvoltage test point for VIN2
Comparator test point for VIN2
Status test point
Description
J1 sets 3.3 V
J2 sets 5 V
J3 sets 12 V
J4 sets 3.3 V
J5, sets 5 V
J6 sets 12 V
Priority operation control
J7 sets 3.3 V
J8 sets 5 V
J9 sets 12 V
J10 sets 3.3 V
J11, sets 5 V
J12 sets 12 V
CP2 enable, disable
TPS212x Evaluation Module
3
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