MAX31334 Evaluation Kit

Evaluates: MAX31334

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Analog Devices | 3

Table 1. Jumper Connection Guide

JUMPER

SHUNT

POSITION

DESCRIPTION

JU2

1–2*

Connects VBAT pin to TP2.

1–3

Connects VBAT pin to GND.

1–4

Connects VBAT pin to supercapacitor.

JU4

1–2*

System VCC is powered by VCC_EXT at TP5.

2–3

System VCC is powered by a +3.3V supply from Arm® Mbed™/Arduino®/PICO platform.

JU6

1–2

Connects

INTA pin of U1 to ground.

1–3*

Connects

INTA pin of U1 to Mbed/Arduino/PICO platform through a level translator (U5)

1–4

Connects

INTA pin of U1 to test point TP3 with a 10kΩ pullup resistor to system VCC.

.

JU7

1–2*

System VCC connects to VCC pin of U1.

OPEN

Float VCC pin of U1. Connect an ammeter between pin 1 and pin 2 to measure the current

consumption of U1.

JU8

1–2

System VCC powers U2 VCC pin.

OPEN*

Floats VCC pin of U2. Connect an ammeter between the pins of JU8 to measure the current.

consumption of U2.

JU10

1–2*

Connects SDA pin of U1 and U2 to Mbed/Arduino/PICO platform for GUI control.

OPEN

Floats SDA pin for user’s own I2C control.

JU11

1–2*

Connects SCL pin of U1 and U2 to Mbed/Arduino/PICO platform for GUI control.

OPEN

Floats SCL pin for user’s own I2C control.

JU13

1–2*

Connects power backup selection VBAT at JU2 to VBAT pin of U1.

OPEN

Floats VBAT pin of U1 for user’s signal input.

JU14

1–2

Connects power backup selection VBAT at JU2 to VBAT pin of U2.

OPEN*

Floats VBAT pin of U2 for user’s signal input.

JU16

1-2*

Connects

INTB/CLKOUT pin of U1 to Mbed/Arduino/PICO platform for GUI control.

OPEN

Floats

INTB/CLKOUT pin for user’s own control.

J5

1–2

Connect SDA line to U2

2-3*

Connect SDA line to U1

J8

1–2

Connect SCL line to U2

2-3*

Connect SCL line to U1

J9

1–2

Connect

INTA test point to U2

2-3*

Connect

INTA test point to U1

J10

1–2

Connect

INTB test point to U2

2-3*

Connect

INTB test point to U1

*Default options

System VCC is labeled VCC on the PCB.