General Configurations
4
SLVUBD2A – September 2018 – Revised January 2019
Copyright © 2018–2019, Texas Instruments Incorporated
TPS212x Evaluation Module
Table 4. TPS2121 Jumper Description (continued)
Input
Connector
Label
Description
VOUT
J17, J18
100 µF
100-µF output capacitor
J19
100 µF
100-µF output capacitor
J19
220 µF
220-µF output capacitor
J16
-
Female header for custom output resistance,
capacitance
J20
10
Ω
10-
Ω
external resistor
JP2
ST
Sets adjustable hysteresis
Position 1-2 sets ST, 2-3 disables (GND)
J22, J23
SS
Soft-start control
JP3
ILIM
Current limit control
Position 1-2 position sets 4.5 A maximum
Position 2-3 sets 2 A maximum
No jumper sets 1.5 A maximum
2.2
TPS2120 Configurations
This section provides an overview of the TPS212x evaluation board input and output jumpers.
describes the input and output connectors on the EVM.
describes the different test points and
functionality, while
describes the jumper functionality and configurations.
Table 5. TPS2120 Input and Output Connector Functionality
Input
Connector
Label
Description
VIN1
J10
VIN1 + , GND -
Input block header for VIN1
TP7
VIN1
Input test point for VIN1
TP5
VIN1_SNS
Input sense connector for VIN1
VIN2
J17
VIN2 + , GND -
Input block header for VIN2
TP11
VIN2
Input test point for VIN2
TP10
VIN2_SNS
Input sense connector for VIN2
VOUT
J11
VOUT +, GND -
Output block header for VOUT
TP8
VOUT
Output test point for VOUT
TP6
VOUT_SNS
Output sense connector for VOUT
GND
TP12, TP13, TP14, TP15,
TP16, TP17, TP18, TP19
GND
Test point for GND
Table 6. TPS2120 Test Points Description
Input
Connector
Label
Description
VIN1
TP1
OV1
Overvoltage test point for VIN1
TP3
PR1
Priority test point for VIN1
VIN2
TP2
OV2
Overvoltage test point for VIN2
TP9
SEL
Select test point
VOUT
TP4
ST
Status test point