SLVUBV5 May   2020

 

  1.   TPS2124 Evaluation Module
    1.     Trademarks
    2. 1 Introduction
      1. 1.1 Features
      2. 1.2 Applications
      3. 1.3 Description
    3. 2 General Configurations
      1. 2.1 TPS2124 Configurations
    4. 3 Test Setup and Results
      1. 3.1 TPS2124EVM Test Equipment
      2. 3.2 Setting up the TPS2124EVM
    5. 4 Board Layout
    6. 5 Schematic
    7. 6 Bill of Materials
  2.   Revision History

2.1 TPS2124 Configurations

This section provides an overview of the TPS2124 evaluation board input and output jumpers. 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. TPS2124 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 3. TPS2124 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

Table 4. TPS2124 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 channel
J4 sets 3.3 V
J5, sets 5 V
J6 sets 12 V
JP2 PR1 Priority operation control
Position 1-2 sets VCOMP (GND)
Position 2-3 sets VREF
VIN2 J7, J8, J9 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
JP1 SEL Selects between priority control or GND
Position 1-2 disables priority
Position 2-3 enables priority
VOUT J12 100 µF 100-µF output capacitor
J13 100 µF 100-µF output capacitor
J14 220 µF 220-µF output capacitor
J15 10 Ω 10-Ω external resistor
J16 - Female header for custom output resistance, capacitance
JP3 ST Sets adjustable hysteresis
Position 1-2 sets ST
Position 2-3 disables (GND)
J18, J19 SS Soft-start control
JP4 ILIM Current Limit Control
Position 1-2 sets 2.5 A maximum
Position 2-3 sets 1.5 A