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mikroSDK Library

Step Down 8 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.7

mikroSDK Library: 2.0.0.0

Category: Buck

Downloaded: 190 times

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License: MIT license  

Step Down 8 Click is a compact add-on board that converts higher voltages into a lower voltage level. This board features the MAX25232, a mini buck converter from Analog Devices. It is designed to deliver up to 3A with 3.5V to 36V input voltages while using only 3.5μA quiescent current at no load.

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mikroSDK Library Blog


Step Down 8 Click

Step Down 8 Click is a compact add-on board that converts higher voltages into a lower voltage level. This board features the MAX25232, a mini buck converter from Analog Devices. It is designed to deliver up to 3A with 3.5V to 36V input voltages while using only 3.5μA quiescent current at no load.

stepdown8_click.png

Click Product page


Click library

  • Author : Stefan Ilic
  • Date : Jul 2023.
  • Type : I2C type

Software Support

We provide a library for the Step Down 8 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for Step Down 8 Click driver.

Standard key functions :

  • stepdown8_cfg_setup Config Object Initialization function.

    void stepdown8_cfg_setup ( stepdown8_cfg_t *cfg );
  • stepdown8_init Initialization function.

    err_t stepdown8_init ( stepdown8_t *ctx, stepdown8_cfg_t *cfg );
  • stepdown8_default_cfg Click Default Configuration function.

    err_t stepdown8_default_cfg ( stepdown8_t *ctx );

Example key functions :

  • stepdown8_set_en_pin Step Down 8 set EN pin state function.

    void stepdown8_set_en_pin ( stepdown8_t *ctx, uint8_t pin_state );
  • stepdown8_set_wiper_pos Step Down 8 set wiper position.

    err_t stepdown8_set_wiper_pos ( stepdown8_t *ctx, uint16_t wiper_pos );
  • stepdown8_set_output Step Down 8 set output voltage.

    err_t stepdown8_set_output ( stepdown8_t *ctx, float voltage );

Example Description

This library contains API for the Step Down 8 Click driver. This driver provides the functions to set the output voltage treshold.

The demo application is composed of two sections :

Application Init

Initialization of I2C module and log UART. After driver initialization, default settings sets output voltage to 3 V.


void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    stepdown8_cfg_t stepdown8_cfg;  /**< Click config object. */

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, " Application Init " );

    // Click initialization.
    stepdown8_cfg_setup( &stepdown8_cfg );
    STEPDOWN8_MAP_MIKROBUS( stepdown8_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == stepdown8_init( &stepdown8, &stepdown8_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( STEPDOWN8_ERROR == stepdown8_default_cfg ( &stepdown8 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

    log_info( &logger, " Application Task " );
}

Application Task

This example demonstrates the use of the Step Down 8 Click board™ by changing output voltage every 2 seconds starting from 3 V up to 18 V.

void application_task ( void ) 
{
    for ( uint8_t n_cnt = STEPDOWN8_MIN_OUTPUT; n_cnt <= STEPDOWN8_MAX_OUTPUT; n_cnt++ )
    {
        stepdown8_set_output( &stepdown8, ( float ) n_cnt );
        log_printf( &logger, " Output voltage %d V\r\n", ( uint16_t ) n_cnt );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
    }
}

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

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.StepDown8

Additional notes and informations

Depending on the development board you are using, you may need USB UART Click, 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 MikroElektronika compilers.


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