stepdown6  2.1.0.0
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Step Down 6 click

Step Down 6 Click is a compact add-on board that converts higher voltages into lower ones. This board features the MPM54304, a quad-output power module from Monolithic Power Systems (MPS). It is a quad-output, DC/DC step-down power module with up to 3A per output on channels 1 and 2 and up to 2A per channels 3 and 4, providing continuous current on all four channels.

click Product page


Click library

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

Software Support

We provide a library for the Step Down 6 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 6 Click driver.

Standard key functions :

Example key functions :

Example Description

This library contains API for the Step Down 6 Click driver.

This driver provides the functions to set the output voltage threshold.

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 550 mV.

void application_init ( void )
{
log_cfg_t log_cfg;
stepdown6_cfg_t stepdown6_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
stepdown6_cfg_setup( &stepdown6_cfg );
STEPDOWN6_MAP_MIKROBUS( stepdown6_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == stepdown6_init( &stepdown6, &stepdown6_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( STEPDOWN6_ERROR == stepdown6_default_cfg ( &stepdown6 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}

Application Task

This example demonstrates the use of the Step Down 6 Click boardâ„¢ by changing

output voltage every 5 seconds starting from 550 mV up to 1820 mV.

void application_task ( void )
{
err_t error_flag = STEPDOWN6_OK;
for ( uint16_t n_cnt = STEPDOWN6_MIN_VOUT_VAL; n_cnt <= STEPDOWN6_MAX_VOUT_VAL; n_cnt += STEPDOWN6_INCREMENT_VOUT_VAL )
{
error_flag |= stepdown6_set_out_voltage( &stepdown6, STEPDOWN6_SELECT_VOUT1, n_cnt );
error_flag |= stepdown6_set_out_voltage( &stepdown6, STEPDOWN6_SELECT_VOUT2, n_cnt );
error_flag |= stepdown6_set_out_voltage( &stepdown6, STEPDOWN6_SELECT_VOUT3, n_cnt );
error_flag |= stepdown6_set_out_voltage( &stepdown6, STEPDOWN6_SELECT_VOUT4, n_cnt );
log_printf( &logger, " Set voltage : %d mV \r\n", n_cnt );
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.StepDown6

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.


STEPDOWN6_MAP_MIKROBUS
#define STEPDOWN6_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: stepdown6.h:237
stepdown6_write_reg
err_t stepdown6_write_reg(stepdown6_t *ctx, uint8_t reg, uint8_t data_in)
Step Down 6 Register writing function.
stepdown6_t
Step Down 6 Click context object.
Definition: stepdown6.h:250
stepdown6_init
err_t stepdown6_init(stepdown6_t *ctx, stepdown6_cfg_t *cfg)
Step Down 6 initialization function.
STEPDOWN6_ERROR
@ STEPDOWN6_ERROR
Definition: stepdown6.h:285
stepdown6_set_en_pin
void stepdown6_set_en_pin(stepdown6_t *ctx, uint8_t pin_state)
Step Down 6 set EN pin state function.
STEPDOWN6_SELECT_VOUT4
#define STEPDOWN6_SELECT_VOUT4
Definition: stepdown6.h:197
application_task
void application_task(void)
Definition: main.c:65
STEPDOWN6_OK
@ STEPDOWN6_OK
Definition: stepdown6.h:284
stepdown6_cfg_t
Step Down 6 Click configuration object.
Definition: stepdown6.h:267
stepdown6_set_out_voltage
err_t stepdown6_set_out_voltage(stepdown6_t *ctx, uint8_t out_sel, uint16_t out_val)
Step Down 6 Set output voltage function.
stepdown6_cfg_setup
void stepdown6_cfg_setup(stepdown6_cfg_t *cfg)
Step Down 6 configuration object setup function.
STEPDOWN6_INCREMENT_VOUT_VAL
#define STEPDOWN6_INCREMENT_VOUT_VAL
Definition: stepdown6.h:212
STEPDOWN6_SELECT_VOUT1
#define STEPDOWN6_SELECT_VOUT1
Step Down 6 Output selection setting.
Definition: stepdown6.h:194
STEPDOWN6_MIN_VOUT_VAL
#define STEPDOWN6_MIN_VOUT_VAL
Step Down 6 Calculation setting.
Definition: stepdown6.h:210
application_init
void application_init(void)
Definition: main.c:30
stepdown6_default_cfg
err_t stepdown6_default_cfg(stepdown6_t *ctx)
Step Down 6 default configuration function.
STEPDOWN6_SELECT_VOUT2
#define STEPDOWN6_SELECT_VOUT2
Definition: stepdown6.h:195
STEPDOWN6_MAX_VOUT_VAL
#define STEPDOWN6_MAX_VOUT_VAL
Definition: stepdown6.h:211
STEPDOWN6_SELECT_VOUT3
#define STEPDOWN6_SELECT_VOUT3
Definition: stepdown6.h:196