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mikroSDK Library

Buck n Boost Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.10

mikroSDK Library: 2.0.0.0

Category: Buck-Boost

Downloaded: 218 times

Not followed.

License: MIT license  

Buck & Boost Click is a compact add-on board that contains a configurable power management device. This board features the MIC7401, a highly-integrated power-management IC featuring five synchronous buck regulators, one boost regulator, and a high-speed I2C interface with an internal EEPROM memory from Microchip.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Buck n Boost Click

Buck & Boost Click is a compact add-on board that contains a configurable power management device. This board features the MIC7401, a highly-integrated power-management IC featuring five synchronous buck regulators, one boost regulator, and a high-speed I2C interface with an internal EEPROM memory from Microchip.

bucknboost_click.png

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Jun 2021.
  • Type : I2C type

Software Support

We provide a library for the BucknBoost 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 BucknBoost Click driver.

Standard key functions :

  • bucknboost_cfg_setup Config Object Initialization function.

    void bucknboost_cfg_setup ( bucknboost_cfg_t *cfg );
  • bucknboost_init Initialization function.

    BUCKNBOOST_RETVAL bucknboost_init ( bucknboost_t *ctx, bucknboost_cfg_t *cfg );
  • bucknboost_default_cfg Click Default Configuration function.

    void bucknboost_default_cfg ( bucknboost_t *ctx );

Example key functions :

  • bucknboost_set_buck_out_voltage This function sets the output voltage of a desired buck channel.

    err_t bucknboost_set_buck_out_voltage ( bucknboost_t *ctx, uint8_t ch_num, uint8_t data_in );
  • bucknboost_set_boost_out_voltage This function sets the output voltage of the boost channel (CH6).

    err_t bucknboost_set_boost_out_voltage ( bucknboost_t *ctx, uint8_t data_in );
  • bucknboost_get_status This function reads Power Good, EEPROM, and Overcurrent status registers.

    err_t bucknboost_get_status ( bucknboost_t *ctx, bucknboost_status_t *st_data );

Example Description

This application demonstrates the use of Buck n Boost Click board.

The demo application is composed of two sections :

Application Init

Initializes the driver and sets the Click default configuration. The default config enables the Click board and limits the current of all outputs to 1100mA. It also sets the default voltages of all channels which are the following: OUT1 - 1.8V, OUT2 - 1.1V, OUT3 - 1.8V, OUT4 - 1.05V, OUT5 - 1.25V, OUT6 - 12V


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    bucknboost_cfg_t bucknboost_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.

    bucknboost_cfg_setup( &bucknboost_cfg );
    BUCKNBOOST_MAP_MIKROBUS( bucknboost_cfg, MIKROBUS_1 );

    err_t init_flag = bucknboost_init( &bucknboost, &bucknboost_cfg );
    if ( init_flag == I2C_MASTER_ERROR ) 
    {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

    init_flag = bucknboost_default_cfg ( &bucknboost );
    if ( init_flag == BUCKNBOOST_ERROR ) 
    {
        log_error( &logger, " Default Config Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

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

Application Task

Iterates through the entire range of Buck voltages for Buck 1 output starting from the maximal output. It also checks the Power Good and Overcurrent status. All data is being displayed on the USB UART where you can track the program flow.


void application_task ( void )
{
    bucknboost_status_t status_data;

    for ( uint8_t cnt = BUCKNBOOST_BUCK_OUTPUT_VOLTAGE_3300mV; 
          cnt <= BUCKNBOOST_BUCK_OUTPUT_VOLTAGE_800mV; cnt++ )
    {
        err_t error_check = bucknboost_set_buck_out_voltage( &bucknboost, 
                                                             BUCKNBOOST_OUTPUT_CH_1, 
                                                             cnt );
        if ( error_check == BUCKNBOOST_ERROR )
        {
            log_error( &logger, " Setting Buck 1 Output Voltage." );
            Delay_ms ( 1000 );
            Delay_ms ( 1000 );
            Delay_ms ( 1000 );
        }
        else
        {
            log_printf( &logger, " Buck 1 Output Voltage set to %u mV.\r\n", 3300 - cnt * 50 );

            bucknboost_get_status( &bucknboost, &status_data );
            log_printf( &logger, " Power Good status -" );
            if ( status_data.power_good == BUCKNBOOST_PGOOD_ALL_MASK )
            {
                log_printf( &logger, " Valid!\r\n" );
            }
            else
            {
                log_printf( &logger, " Not Valid! - Mask: 0x%.2X\r\n", ( uint16_t ) status_data.power_good );
            }

            log_printf( &logger, " Overcurrent status -" );
            if ( status_data.power_good == BUCKNBOOST_PGOOD_ALL_MASK )
            {
                log_printf( &logger, " No Fault!\r\n" );
            }
            else
            {
                log_printf( &logger, " Fault! - Mask: 0x%.2X\r\n", ( uint16_t ) status_data.overcurrent_fault );
            }
            log_printf( &logger, "-----------------------------------\r\n" );
        }
        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.BucknBoost

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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