MikroElektronika Current Click Bedienungsanleitung

1. Introduction

Once you have soldered the headers your

board is ready to be placed into desired

mikroBUS™ socket. Make sure to align the

cut in the lower-right part of the board

with the markings on the silkscreen at the

mikroBUS™ socket. If all of the pins are

aligned correctly, push the board all

the way into the socket.

3. Plugging the board in

2 3

2. Soldering the headers

4. Essential features

Turn the board upward again. Make sure

to align the headers so that they are

perpendicular to the board, then solder the

pins carefully.

Turn the board upside down so that

bottom side is facing you upwards. Place

shorter parts of the header pins in both

soldering pad locations.

Before using your click board™, make sure

to solder 1x8 male headers to both left

and right side of the board. Two 1x8 male

headers are included with the board in

the package.

click

BOARD

www.mikroe.com

Current click Manual

ver. 1.01

0 100000 023518

Current Click™ is an add-on board in

mikroBUS™form factor. It’s a compact and

easy solution for adding current measurement

in your design. It features INA196 current

shunt monitor, MCP3201 12-bit ADC,

MAX6106 voltage reference as well as two

screw terminals. Current Click™ communicates

with target board microcontroller via

mikroBUS™SPI (SDO, SCK, CS) and AN lines.

The board is designed to use either 3.3V or

5V power supply. LED diode indicates the

presence of power supply.

clickCurrent

Current Click™ board serves as the current

measurement device. It receives current from

output circuit connected to IN(+) and OUT(-)

pins of the rst screw terminal and via INA196

IC converts it into a voltage value. Second

screw terminal is used for external shunt. In

order to measure values of current in various

bands, you need to screw-on the shunt with

appropriate value. Four shunts with dierent

values are provided in the package.

8. Support

MikroElektronika oers Free Tech Support

(www.mikroe.com/esupport) until the

end of product lifetime, so if something goes

wrong, we are ready and willing to help!

7. Code Examples

.com

Once you have done all the necessary

preparations, it’s time to get your click

board up and running. We have provided

the examples for mikroC, mikroBasic and

mikroPascal compilers on our Libstock

website. Just download them and you are

ready to start.

5. Current Click™ Board Schematic

VCC

2K2

LD1

C1 100nF

RST

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

SCL

SDA

+5V

GND

PWR SEL

CN1

OUTVIN-

VIN+

CS#

SCK

SDO

OUT

GND

VIN- 5

V+ VIN+

INA196

100nF

VCCVCC

CN2

VIN+

VIN-

VIN

VOUT

VSS

REF1

MAX6106EUR+T

VCC

REF

R SHUNT

100nF

ADC

Vref

IN+

IN-

Vss CS

Dout

CLK

Vdd

MCP3201

VCC

10K

SDO

CS#

SCK

REF

VCC

VCCVCC

VIN+

VIN-

100nF

1uF

OUT

ADC

MIKROBUS DEVICE CONN.

MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.

6. SMD Jumpers

The current Click™ board communicates with

the main board microcontroller via SPI interface

(using ADC) or via AN line (directly connected

to the microcontroller AN pin) depending on

the position of the J1 SMD jumper. This jumper

is soldered in ADC position. There is one zero-

ohm SMD jumper J1 used to select whether

3.3V or 5V power supply is used. Jumper J1 is

soldered in 3.3V position by default.

shunt

0.05

0.2

2048

512

102

400

100

[Ω]

max [mA]

min[mA]

shunt

max

min

The values of shunt resistor which are provided in the package

The values of maximal current that can be measured

The values of minimal current where the range is linear

The measured values can vary because of the screw terminal

resistance (≈ 0.0035Ω) and shunt resistors tolerance (±1%)

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