Mikroelektronika d.o.o.

SKU: MIKROE-5603

I2C Isolator 6 Click Board

£29.00 GBP

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Eliminate the Need for Splitting I2C Signals

With the ADUM2250, you'll enjoy two bidirectional channels that support a fully isolated I2C interface, eliminating the need for splitting I2C signals into separate transmit and receive signals. This innovative design allows for data rates from DC up to 1MHz and includes hot swap circuitry to prevent data glitches.

Perfect for Transferring Digital Signals Between Circuits

Our I2C Isolator 6 Click Board™ is the ideal solution for transferring digital signals between circuits with different power domains at ambient temperatures. Experience seamless integration and optimal performance in your next project.

Supported by mikroSDK Compliant Library

Our I2C Isolator 6 Click Board™ is backed by a mikroSDK compliant library, offering a suite of functions that streamline software development. You'll have all the tools you need to get started right away.

Ready to Use with mikroBUS™ Socket

This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket. Don't wait – upgrade your project with the I2C Isolator 6 Click Board™ today!

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Product Description

How Does The I2C Isolator 6 Click Board™ Work?

The I2C Isolator 6 Click Board™ is based on the ADUM2250, a two-channel, 5kVRMS I2C digital isolator from Analog Devices, suitable for hot-swap applications. The ADUM2250 bidirectionally buffers the two I2C signals across the isolation barrier while providing 5kVRMS of galvanic isolation. It transfers digital signals with data rates up to 1MHz between circuits with different power domains at ambient temperatures. It offers the glitch-free operation, excellent reliability, and very long operational life. The wide temperature range and high isolation voltage make the device ideal for harsh industrial environments.

I2C Isolator 6 Click Board™ inner

The I2C Isolator 6 Click Board™ also possesses two terminals labelled as VIN and SDA/SCL at the top of the Click board™, where VIN represents the isolated-side power supply of the isolator, while the other corresponds to the isolated bidirectional logic-bus terminal.

This Click board™ can operate with either 3.3V or 5V logic voltage levels selected via the VCC SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. However, the Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used, as a reference, for further development.

SPECIFICATIONS

Type	I2C,Isolators
Applications	Can be used for transferring digital signals between circuits with different power domains
On-board modules	ADUM2250 - two-channel I2C digital isolator from Analog Devices
Key Features	Robust galvanic isolation of digital signals, withstands 5kVRMS for 60s, low power consumption, supports hot swap application, glitch-free operation, excellent reliability, long operational life, and more
Interface	I2C
Compatibility	mikroBUS
Click board size	M (42.9 x 25.4 mm)
Input Voltage	3.3V or 5V

PINOUT DIAGRAM

This table shows how the pinout of the I2C Isolator 6 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes	Pin					Pin	Notes
NC	1	AN	PWM	16	NC
NC	2	RST	INT	15	NC
NC	3	CS	RX	14	NC
NC	4	SCK	TX	13	NC
NC	5	MISO	SCL	12	SCL	I2C Clock
NC	6	MOSI	SDA	11	SDA	I2C Data
Power Supply	3.3V	7	3.3V	5V	10	5V	Power Supply
Ground	GND	8	GND	GND	9	GND	Ground

ONBOARD SETTINGS AND INDICATORS

Label	Name	Default	Description
LD1	PWR	-	Power LED Indicator
JP1	VCC SEL	Left	Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V

I2C ISOLATOR 6 CLICK ELECTRICAL SPECIFICATIONS

Description	Min	Typ	Max	Unit
Supply Voltage	3.3	-	5	V
Maximum Withstand Isolation Voltage	-	-	5000	V_RMS
Data Rate	-	-	1	Mbps

Software Support

We provide a library for the I2C Isolator 6 Click Board™ as well as a demo application (example), developed using MikroE compilers. The demo can run on all the main MikroE development boards.

The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Library Description

This library contains API for I2C Isolator 6 Click driver.

Key functions

i2cisolator6_write I2C Isolator 6 I2C writing function.
i2cisolator6_read I2C Isolator 6 I2C reading function.
i2cisolator6_write_then_read I2C Isolator 6 I2C write then read function.

Example Description

This library contains API for the I2C Isolator 6 Click Board™ driver. This demo application shows an example of the I2C Isolator 6 Click Board™ wired to the I2C Isolator 6 Click Board™ or reading device ID. The library also includes an I2C writing and reading functions.

void application_task ( void ) 
{
    static uint8_t device_id = 0;
    static uint8_t reg = ACCEL21_REG_WHO_AM_I;
    if ( I2CISOLATOR6_OK == i2cisolator6_write_then_read( &i2cisolator6, &reg, 1, &device_id, 1 ) )
    {
        if ( ACCEL21_DEVICE_ID == device_id )
        {
            log_printf( &logger, " Device ID: 0x%.2Xrn", ( uint16_t ) device_id );
            log_printf( &logger, "---------------------rn" );
        }
    }
    Delay_ms( 1000 );
}

The full application code, and ready to use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Other MikroE Libraries used in the example:

MikroSDK.Board
MikroSDK.Log
Click.I2CIsolator6

Additional Notes and Information

Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroE compilers.

MIKROSDK

The I2C Isolator 6 Click Board™ is supported with mikroSDK - MikroE Software Development Kit, which needs to be downloaded from the LibStock and installed for the compiler you are using to ensure proper operation of mikroSDK compliant Click board™ demo applications.

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I2C Isolator 6 Click Board