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mikroSDK Library

Balancer 3 Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.14

mikroSDK Library: 2.0.0.0

Category: Battery Charger

Downloaded: 445 times

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License: MIT license  

Balancer 3 Click is overvoltage protection device for 2-series cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance correction.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog

Balancer 3 Click

Balancer 3 Click is overvoltage protection device for 2-series cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance correction.

balancer3_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : dec 2019.
  • Type : GPIO type

Software Support

We provide a library for the Balancer3 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Balancer3 Click driver.

Standard key functions :

  • balancer3_cfg_setup Config Object Initialization function.

    void balancer3_cfg_setup ( balancer3_cfg_t *cfg ); 
  • balancer3_init Initialization function.

    balancer3_init ( balancer3_t *ctx, balancer3_cfg_t *cfg );

Example key functions :

  • balancer3_enable_cell_balance Cell Balance Enable function.

    void balancer3_enable_cell_balance ( balancer3_t *ctx, uint8_t state );
  • balancer3_check_overvoltage Overvoltage Condition Check function.

    uint8_t balancer3_check_overvoltage ( balancer3_t *ctx );

Examples Description

This application is device for 2-series cell lithium-ion battery.

The demo application is composed of two sections :

Application Init

Initializes device coummunication and enables cell balancing.


void application_init ( void )
{
    log_cfg_t log_cfg;
    balancer3_cfg_t cfg;

    /** 
     * 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.
    balancer3_cfg_setup( &cfg );
    BALANCER3_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    balancer3_init( &balancer3, &cfg );

    balancer3_enable_cell_balance( &balancer3, BALANCER3_CELL_BALANCE_EN );
    log_printf( &logger, "* Normal operation - Cell balance enabled *\r\n" );

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

Application Task

Checks if overvoltage is occured and disables cell balancing. If overvoltage doesn't occur it enables cell balancing.


void application_task ( void )
{
    static uint8_t old_ov_state = 0;
    uint8_t ov_state = balancer3_check_overvoltage( &balancer3 );
    if ( old_ov_state != ov_state )
    {
        old_ov_state = ov_state;
        if ( BALANCER3_OV_COND_NOT_DETECTED == ov_state )
        {
            log_printf( &logger, "* Normal operation - Cell balance enabled *\r\n" );
            balancer3_enable_cell_balance( &balancer3, BALANCER3_CELL_BALANCE_EN );
        }
        else
        {
            log_printf( &logger, "* Overvoltage condition - Cell balance disabled * \r\n" );
            balancer3_enable_cell_balance( &balancer3, BALANCER3_CELL_BALANCE_DIS );
        }
    }
    Delay_ms ( 1 );
}  

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Balancer3

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. 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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