Texas Instruments TPS2120EVM, Руководство пользователя

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