SLVUCL4 December   2022

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Description
    2. 1.2 Features
  4. 2Electrical Performance
  5. 3Schematic
  6. 4PCB Layout
    1. 4.1 Setup
  7. 5Operation
  8. 6Test Configurations
    1. 6.1 On-Resistance (RON) Test Setup
    2. 6.2 Rise Time Test Setup
  9. 7Bill of Materials (BOM)

4.1 Setup

This section describes the jumpers and connectors on the EVM as well as how to properly connect, set up and use the EVM. Table 1 describes the input and output connectors and jumpers. Table 2 describes the different test points and functionality. Table 3 describes the jumper functionality and configurations.

Table 4-1 TPS22997EVM Input and Output Connector Functionality
Input Connector and Test Point Label Description
VIN J1

J1

 Input banana connector for VIN
TP1 VIN

Input test point for VIN
TP2 VIN_SNS

Sense test point for VIN
VOUT J2 J2 Output banana connector for VOUT
TP4 VOUT

Output test point for VOUT
TP3 VOUT_SNS

Sense test point for VOUT
GND TP8, TP9, TP10, TP11, TP12 GND Test point for GND

J3, J4

J3, J4

Banana connector for GND
Table 4-2 TPS22997EVM Test Point Description
Pin Test Point Label Description

ON

 TP6 ON Enable signal test point

VBIAS

 TP5

VBIAS

 Bias Voltage test point

PG

TP7

PG

Power good signal test point
Table 4-3 TPS22997EVM Jumper Configuration
Input Jumper Label Description
VIN JP2 VBIAS_SEL BIAS voltage pull up to VIN
JP1 ON_SEL ON-pin enable signal
  • Position 1 and 2 sets ON-pin LO
  • Position 2 and 3 sets ON-pin HI
VOUT JP3, JP4, JP5 QOD– > VOUT, +R2 QOD, +R3 QOD Quick output discharge setting
  • JP3 sets device to use internal QOD
  • JP4 sets device to use internal QOD + 10 kΩ
  • JP5 sets device to use internal QOD + 2 kΩ