battmon4  2.0.0.0
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BATT-MON 4 click

BATT-MON 4 Click is a compact add-on board representing an advanced battery monitoring solution. This board features the LTC3337, a primary battery state of health (SOH) monitor with a built-in precision coulomb counter from Analog Devices. The LTC3337 is designed to be placed in series with a primary battery with minimal associated series voltage drop. The patented infinite dynamic range coulomb counter tallies all accumulated battery discharge and stores it in an internal register accessible via an I2C interface. In addition, this Click boardâ„¢ also can set the input current limit and has an additional discharge alarm interrupt and SOH monitoring which measures and reports via an I2C interface.

click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Feb 2022.
  • Type : I2C type

Software Support

We provide a library for the BATT-MON 4 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 BATT-MON 4 Click driver.

Standard key functions :

Example key functions :

Example Description

This example demonstrates the use of BATT-MON 4 click board by reading the battery voltage and the chip internal temperature.

The demo application is composed of two sections :

Application Init

Initializes the driver and logger.

void application_init ( void )
{
log_cfg_t log_cfg;
battmon4_cfg_t battmon4_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
battmon4_cfg_setup( &battmon4_cfg );
BATTMON4_MAP_MIKROBUS( battmon4_cfg, MIKROBUS_1 );
if ( I2C_MASTER_ERROR == battmon4_init( &battmon4, &battmon4_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}

Application Task

Reads the chip DIE temperature and voltage from BATT IN and BATT OUT and displays the results on the USB UART approximately once per second.

void application_task ( void )
{
float die_temperature, batt_in_v_ipeak_on, batt_in_v_ipeak_off, batt_out_v_ipeak_on, batt_out_v_ipeak_off;
if ( BATTMON4_OK == battmon4_get_die_temperature ( &battmon4, &die_temperature ) )
{
log_printf ( &logger, " Die Temperature: %.2f C \r\n\n", die_temperature );
}
if ( BATTMON4_OK == battmon4_get_batt_in_voltage ( &battmon4, &batt_in_v_ipeak_on, &batt_in_v_ipeak_off ) )
{
log_printf ( &logger, " BATT IN \r\n Ipeak ON: %.1f mV \r\n Ipeak OFF: %.1f mV \r\n\n",
batt_in_v_ipeak_on, batt_in_v_ipeak_off );
}
if ( BATTMON4_OK == battmon4_get_batt_out_voltage ( &battmon4, &batt_out_v_ipeak_on, &batt_out_v_ipeak_off ) )
{
log_printf ( &logger, " BATT OUT \r\n Ipeak ON: %.1f mV \r\n Ipeak OFF: %.1f mV \r\n\n",
batt_out_v_ipeak_on, batt_out_v_ipeak_off );
}
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.BATTMON4

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.


battmon4_cfg_t
BATT-MON 4 Click configuration object.
Definition: battmon4.h:145
battmon4_get_die_temperature
err_t battmon4_get_die_temperature(battmon4_t *ctx, float *temperature)
BATT-MON 4 get die temperature function.
application_task
void application_task(void)
Definition: main.c:59
battmon4_init
err_t battmon4_init(battmon4_t *ctx, battmon4_cfg_t *cfg)
BATT-MON 4 initialization function.
battmon4_get_batt_in_voltage
err_t battmon4_get_batt_in_voltage(battmon4_t *ctx, float *v_ipeak_on, float *v_ipeak_off)
BATT-MON 4 get batt in voltage function.
BATTMON4_OK
@ BATTMON4_OK
Definition: battmon4.h:163
battmon4_t
BATT-MON 4 Click context object.
Definition: battmon4.h:127
application_init
void application_init(void)
Definition: main.c:29
BATTMON4_MAP_MIKROBUS
#define BATTMON4_MAP_MIKROBUS(cfg, mikrobus)
MikroBUS pin mapping.
Definition: battmon4.h:113
battmon4_get_batt_out_voltage
err_t battmon4_get_batt_out_voltage(battmon4_t *ctx, float *v_ipeak_on, float *v_ipeak_off)
BATT-MON 4 get batt out voltage function.
battmon4_cfg_setup
void battmon4_cfg_setup(battmon4_cfg_t *cfg)
BATT-MON 4 configuration object setup function.