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mikroSDK Library

Buck Boost click

Rating:

6

Author: MikroElektronika Team

Last Updated: 2019-01-09

Category: Power supply

Downloaded: 1436 times

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Buck-Boost click features LTC3129-1, a buck-boost DC/DC conversion integrated circuit from Linear Technology®. The click supports wide input voltage range and can output eight discrete regulated voltage levels, selectable by the digital output voltage selection pins, ranging from 2.5V to 15V.

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mikroSDK Library Blog

Buck Boost click

Buck Boost click

Native view of the Buck Boost click board.

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Buck-Boost click

Buck-Boost click

Front and back view of the Buck-Boost click board.

View full image

Library Description

The library covers all the necessary functions to control Buck Boost Click board.
This library contains drivers for set the output value of 
2500 mV, 3300 mV, 4100 mV, 5000 mV, 6900 mV, 8200 mV, 12000 mV and 15000 mV 
to the converter LTC3129-1 on Buck Boost Click.

Key functions:

  • void buckboost_defaultConfig() - Set default configuration function.
  • void buckboost_set2500mV() - Set the output voltage of 2500 mV function.
  • void buckboost_set15000mV() - Set the output voltage of 15000 mV function

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes GPIO and AN, RST, CS, PWM and INT pins as output.
    Application Initialization - Initialization driver enable's - GPIO,
         set default configuration and start write log.
    Application Task - (code snippet) This is a example which demonstrates the use of Buck Boost Click board. Change output voltage from 2500 mV to 15000 mV every 5 seconds. All data logs write on usb uart for aproximetly every 5 sec.
void applicationTask()
{
    mikrobus_logWrite( " Set Output Voltage of 2500 mV ", _LOG_LINE );
    mikrobus_logWrite( "--------------------------------", _LOG_LINE );
    
    buckboost_set2500mV();
    Delay_ms( 5000 );
    
    mikrobus_logWrite( " Set Output Voltage of 3300 mV ", _LOG_LINE );
    mikrobus_logWrite( "--------------------------------", _LOG_LINE );
    
    buckboost_set3300mV();
    Delay_ms( 5000 );

    mikrobus_logWrite( " Set Output Voltage of 4100 mV ", _LOG_LINE );
    mikrobus_logWrite( "--------------------------------", _LOG_LINE );
  
    buckboost_set4100mV();
    Delay_ms( 5000 );

    mikrobus_logWrite( " Set Output Voltage of 5000 mV ", _LOG_LINE ); 
    mikrobus_logWrite( "--------------------------------", _LOG_LINE ); 

    buckboost_set5000mV();
    Delay_ms( 5000 );

    mikrobus_logWrite( " Set Output Voltage of 6900 mV ", _LOG_LINE );
    mikrobus_logWrite( "--------------------------------", _LOG_LINE );
   
    buckboost_set6900mV();
    Delay_ms( 5000 );
    
    mikrobus_logWrite( " Set Output Voltage of 8200 mV ", _LOG_LINE ); 
    mikrobus_logWrite( "--------------------------------", _LOG_LINE );

    buckboost_set8200mV(); 
    Delay_ms( 5000 ); 
    
    mikrobus_logWrite( " Set Output Voltage of 12000 mV ", _LOG_LINE ); 
    mikrobus_logWrite( "--------------------------------", _LOG_LINE ); 

    buckboost_set12000mV(); 
    Delay_ms( 5000 ); 

    mikrobus_logWrite( " Set Output Voltage of 15000 mV ", _LOG_LINE ); 
    mikrobus_logWrite( "--------------------------------", _LOG_LINE ); 

    buckboost_set15000mV();
    Delay_ms( 5000 );
}

Other mikroE Libraries used in the example:

  • GPIO
  • UART

Additional notes and information

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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