3.2 EVM Jumpers

Table 3-2 lists the jumpers on the TPS38700Q1EVM. As ordered, the EVM will have sixteen (16) jumpers

installed. Figure 3-1 is provided as visual aid.

Table 3-2. List of On-board Jumpers

JUMPER

DEFAULT JUMPER

CONFIGUATION

DESCRIPTION

J1

VBAT

For connecting VBAT power to the EVM

J2

VDD

For connecting VDD power to the EVM

J3 & J4

Shunt to bottom position

For connecting NRST and NIRQ to P1V8 or PEXT (Any external power)

J5

GND

For connecting GND to the EVM

J6

P1V8

For pulling- up ENABLE pins to P1V8 or VENX (Any external voltage)

J7 - J18

No connect

For pulling-up or down ENABLE pins (Only for open-drain configuration)/No connection

for push-pull confiugration

J16

Shunt to top position

For pulling-up EN10 pin to P1V8.

J19

Connect

For connecting the EVM to TI's USB Interface Adapter

J20, J29, &

J31

No connect

For connecting the on-board buffer to either P1V8, PEXT or P1V2. Only shunt one of

these jumpers when using the buffer. Please revmove the shunt of J21 when using one

of these jumpers.

J21

Shunt

For connecting the on-board bufffer IC to P3V3

J22 & J23

Shunt

For I2C lines to bypass buffer.

J24, J25,

J27 & J28

No connect

For I2C lines to use the on-board buffer.

J30

No connect

For connecting VBAT to PEXT

J32

No connect

For connecting VENX to VBAT

J34 & J35

No connect

For manually pulling down NSLEEP and ACT pins

Figure 3-1. Jumper Settings

EVM Connectors

www.ti.com

18

TPS38700Q1EVM Voltage Sequencer

SNVU771A – JULY 2021 – REVISED APRIL 2022

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