eFuse 5 Click

eFuse 5 Click is a compact add-on board with a power path protection solution that limits circuit currents and voltages to safe levels during fault conditions. This board features the TPS16530, an easy-to-use, positive 58V, 4.5A eFuse with a 31mΩ integrated FET from Texas Instruments. This industrial eFuse has programmable undervoltage, overcurrent, inrush current protection, and output current monitoring features. Besides, it allows flexibility to configure the device between the two current-limiting fault responses (latch off and auto-retry).

Click Product page

Click library

• Author : Nenad Filipovic
• Date : Feb 2023.
• Type : I2C type

Software Support

We provide a library for the eFuse 5 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 eFuse 5 Click driver.

Standard key functions :

• efuse5_cfg_setup Config Object Initialization function.

  void efuse5_cfg_setup ( efuse5_cfg_t *cfg );

• efuse5_init Initialization function.

  err_t efuse5_init ( efuse5_t *ctx, efuse5_cfg_t *cfg );

• efuse5_default_cfg Click Default Configuration function.

  err_t efuse5_default_cfg ( efuse5_t *ctx );

Example key functions :

• efuse5_set_current_limit eFuse 5 set the current limit function.

  err_t efuse5_set_current_limit ( efuse5_t *ctx, efuse5_current_limit_t current_limit );

• efuse5_set_resistance eFuse 5 set the resistance function.

  err_t efuse5_set_resistance ( efuse5_t *ctx, uint16_t res_ohm );

• efuse5_get_fault eFuse 5 gets fault condition state function.

  uint8_t efuse5_get_fault ( efuse5_t *ctx );

Example Description

This library contains API for the eFuse 5 Click driver. This driver provides the functions to set the current limiting conditions to provide the threshold of the fault conditions.

The demo application is composed of two sections :

Application Init

Initialization of I2C module and log UART. After driver initialization, default settings turn on the device.

void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    efuse5_cfg_t efuse5_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.
    efuse5_cfg_setup( &efuse5_cfg );
    EFUSE5_MAP_MIKROBUS( efuse5_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == efuse5_init( &efuse5, &efuse5_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( EFUSE5_ERROR == efuse5_default_cfg( &efuse5 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

    log_info( &logger, " Application Task " );
    log_printf( &logger, "---------------------------\r\n" );
}

Application Task

This example demonstrates the use of the eFuse 5 Click board™. In this example, the app sets the current limit to 600 mA for 10 seconds and then sets the current limit to 1200 mA for the next 10 seconds to protect the electrical circuit against excessive current. Results are being sent to the UART Terminal, where you can track their changes.

void application_task ( void ) 
{
    if ( EFUSE5_OK == efuse5_set_current_limit( &efuse5, EFUSE5_CURRENT_LIMIT_600_mA ) )
    {
        log_printf( &logger, "  Current limit:  600 mA   \r\n" );
        log_printf( &logger, "---------------------------\r\n" );
    }
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );

    if ( EFUSE5_OK == efuse5_set_current_limit( &efuse5, EFUSE5_CURRENT_LIMIT_1200_mA ) )
    {
        log_printf( &logger, "  Current limit: 1200 mA   \r\n" );
        log_printf( &logger, "---------------------------\r\n" );
    }
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    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.eFuse5

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.