SLVUCC0A October   2021  – December 2021 TPS2597

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 EVM Applications
  3. 2Description
  4. 3Schematic
  5. 4General Configurations
    1. 4.1 Physical Access
    2. 4.2 Test Equipment and Setup
      1. 4.2.1 Power Supplies
      2. 4.2.2 Meters
      3. 4.2.3 Oscilloscope
      4. 4.2.4 Loads
  6. 5Test Setup and Procedures
    1. 5.1 Hot-Plug Test
    2. 5.2 Overcurrent Test
    3. 5.3 Output Hot-Short Test
    4. 5.4 Wakeup into Short Test
    5. 5.5 Overvoltage Clamp Test
  7. 6EVAL Board Assembly Drawings and Layout Guidelines
    1. 6.1 PCB Drawings
  8. 7Bill Of Materials (BoM)
  9. 8Revision History

4.1 Physical Access

Table 4-1 lists the TPS2597EVM eFuse Evaluation Board input and output connector functionality. Table 4-2 and Table 4-3 describe the test point availability and the jumper functionality. Table 4-4 describes the function of signal LEDs.

Table 4-1 Input and Output Connector Functionality

Channel

ConnectorLabelDescription
CH1J1VIN1(+), PGND(–)Input of CH1
J8VOUT1(+), PGND(–)Output of CH1
CH2J9VIN2(+), PGND(–)Input of CH2
J14VOUT2(+), PGND(–)Output of CH2
CH3J15VIN3(+), PGND(–)Input of CH3
J20VOUT3(+), PGND(–)Output of CH3
Table 4-2 Test Points Description

Channel

Test PointsLabelDescription

CH1

TP13

VIN1

CH1 input voltage

TP7

VOUT1

CH1 output voltage
TP12

EN/UVLO1

CH1 EN/UVLO signal

TP5

OVCSEL1

CH1 OVCSEL signal

TP4

ITIMER1

CH1 ITIMER signal

TP2

dVdt1

CH1 Output voltage ramp control

TP3

ILM1

CH1 current limit and monitor signal

TP11

PG1

CH1 Power Good signal

TP9

PGTH1

CH1 Power Good threshold signal

TP10

VCC_EXT1

CH1 external VCC voltage point for U5 LDO

TP8

GND1

CH1 IC GND signal

TP6, TP1

PGND1

CH1 power GND signal

CH2

TP26

VIN2

CH2 input voltage

TP20

VOUT2

CH2 output voltage

TP24

EN/UVLO2CH2 EN/UVLO signal

TP25

OVLO2CH2 OVLO signal

TP18

ITIMER2CH2 ITIMER signal

TP16

dVdt2CH2 output voltage ramp control

TP17

ILM2CH2 current limit and monitor signal

TP22

FLTb2

CH2 fault signal

TP21

VCC_EXT2

CH2 external VCC voltage point for U8 LDO

TP15

GND2

CH2 IC GND signal

TP14,TP19

PGND2

CH2 power GND signal

CH3

TP38

VIN3CH3 input voltage

TP45

VOUT3CH3 output voltage

TP40

EN/UVLO3CH3 EN/UVLO signal

TP43

OVLO3CH3 OVLO signal

TP47

ITIMER3CH3 ITIMER signal

TP49

dVdt3CH3 output voltage ramp control

TP48

ILM3CH3 current limit and monitor signal

TP42

PG3CH3 Power Good signal

TP46

PGTH3CH3 Power Good threshold signal

TP41

VCC_EXT3CH3 external VCC voltage point for U6 LDO

TP50

GND3CH3 IC GND signal

TP39, TP44

PGND3CH3 power GND signal
Table 4-3 Jumper Descriptions and Default Positions

Channel

JumperLabelDescription

Default Jumper Position

CH1

J2

OVCSEl1

1-2 position sets input OVC threshold at 3.87 V

3-4

3-4 position sets input OVC threshold at 13.84 V
No jumper connection sets input OVC threshold at 5.73 V

J5

ITIMER11-2 position sets the transient current blanking period to 170 us

3-4

3-4 position sets the transient current blanking period to 1.7 ms
5-6 position sets the transient current blanking period to 17 ms

J3

dVdt11-2 position sets the output slew rate t0 1 mV/us

3-4

3-4 position the sets output slew rate to 0.33 mV/us
5-6 position sets the output slew rate to 0.15 mV/us

J4

ILM1

1-2 position sets the current limit to 0.86 A

7-8

3-4 position sets the current limit to 1.73 A
5-6 position sets the current limit to 4.55 A
7-8 position sets the current limit to 7.63 A

J7

VCC Connection

1-2 position connects external voltage, VCC_EXT1 as reference for PG1

2-3

2-3 position connects on-board generated voltage, VCC as reference for PG1

J6

PGTH1

1-2 position monitors the output voltage

2-3

2-3 position monitors the input supply

CH2

J13

VCC Connection1-2 position connects external voltage, VCC_EXT2 as pullup for digital signals of U2

2-3

2-3 position connects on-board generated voltage, VCC as reference for digital signals of U2

J11

dVdt2

1-2 position sets the output slew rate to 1 mV/us

2-3

3-4 position sets the output slew rate to 0.33 mV/us
5-6 position sets the output slew rate to 0.15 mV/us

J12

ILM2

1-2 position sets the current limit to 0.86 A

7-8

3-4 position sets the current limit to 1.73 A
5-6 position sets the current limit to 4.55 A
7-8 position sets the current limit to 7.63 A

J10

ITIMER2

1-2 position sets the transient current blanking period to 170 us

3-4

3-4 position sets the transient current blanking period to 1.7 ms
5-6 position sets the transient current blanking period to 17 ms

CH3

J19

VCC Connection1-2 position connects external voltage, VCC_EXT3 as reference for PG3

2-3

2-3 position connects on board generated voltage, VCC as reference for PG3

J16

ITIMER31-2 position sets the transient current blanking period to 170 us

3-4

3-4 position sets the transient current blanking period to 1.7 ms
5-6 position sets the transient current blanking period to 17 ms

J18

ILM31-2 position sets the current limit to 0.86 A

7-8

3-4 position sets the current limit to 1.73 A
5-6 position sets the current limit to 4.55 A
7-8 Position sets the current limit to 7.63 A

J17

dVdt31-2 position sets the output slew rate to 1 mV/us

3-4

3-4 position sets the output slew rate to 0.33 mV/us
5-6 position sets the output slew rate to 0.15 mV/us

J21

PGTH3

1-2 position monitors the output voltage

2-3

2-3 position monitors the input supply
Table 4-4 LED Descriptions

LED

Description

D3

When ON, indicates that PG is asserted for Channel-1

D13

When ON, indicates that FLTb is asserted for Channel-2

D7

When ON, indicates that PG is asserted for Channel-3