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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.7
mikroSDK Library: 2.0.0.0
Category: Buck-Boost
Downloaded: 112 times
Not followed.
License: MIT license
BATT-MAN 2 Click is a compact add-on board representing an advanced battery and power management solution. This board features the MAX77654, a single inductor, multiple-output (SIMO) power management IC (PMIC) from Maxim Integrated, now part of Analog Devices. This I2C programmable board features a buck-boost regulator that provides three independently programmable power rails from a single inductor. Also, it has one 100mA LDO output with ripple rejection for audio and other noise-sensitive applications and a highly-configurable linear charger that supports a wide range of Li+ battery capacities featuring battery temperature monitoring for additional safety (JEITA).
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BATT-MAN 2 Click is a compact add-on board representing an advanced battery and power management solution. This board features the MAX77654, a single inductor, multiple-output (SIMO) power management IC (PMIC) from Maxim Integrated, now part of Analog Devices. This I2C programmable board features a buck-boost regulator that provides three independently programmable power rails from a single inductor. Also, it has one 100mA LDO output with ripple rejection for audio and other noise-sensitive applications and a highly-configurable linear charger that supports a wide range of Li+ battery capacities featuring battery temperature monitoring for additional safety (JEITA).
We provide a library for the BATTMAN2 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.
This library contains API for BATTMAN2 Click driver.
battman2_cfg_setup
Config Object Initialization function.
void battman2_cfg_setup ( battman2_cfg_t *cfg );
battman2_init
Initialization function.
err_t battman2_init ( battman2_t *ctx, battman2_cfg_t *cfg );
battman2_default_cfg
Click Default Configuration function.
err_t battman2_default_cfg ( battman2_t *ctx );
battman2_set_charger_enable
BATT-MAN 2 set charger enable function.
err_t battman2_set_charger_enable ( battman2_t *ctx, uint8_t en_chg );
battman2_set_charger_cfg
BATT-MAN 2 set charger configuration function.
err_t battman2_set_charger_cfg ( battman2_t *ctx, battman2_chg_cnfg_t chg_cnfg );
battman2_get_charger_cfg
BATT-MAN 2 get charger configuration function.
err_t battman2_get_charger_cfg ( battman2_t *ctx, battman2_chg_cnfg_t *chg_cnfg );
This library contains API for BATT-MAN 2 Click driver. The library initializes and defines the I2C bus drivers to write and read data from registers. The library also includes a function for configuring appropriate charge current, charge voltage, prequalification voltage, Buck, Buck-Boost and Linear regulator configuration, etc.
The demo application is composed of two sections :
The initialization of the I2C module, log UART, and additional pins. After the driver inits and executes a default configuration, the app disables charging, sets charger configuration, enables charging, displays charger configuration, or sets Buck-Boost configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
battman2_cfg_t battman2_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.
battman2_cfg_setup( &battman2_cfg );
BATTMAN2_MAP_MIKROBUS( battman2_cfg, MIKROBUS_1 );
err_t init_flag = battman2_init( &battman2, &battman2_cfg );
if ( I2C_MASTER_ERROR == init_flag )
{
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
battman2_default_cfg ( &battman2 );
log_info( &logger, " Application Task " );
Delay_ms ( 100 );
battman2_set_charger_enable( &battman2, BATTMAN2_SET_CHARGER_DISABLE );
Delay_ms ( 100 );
#ifdef CHARGER
log_printf( &logger, "-----------------------------------------------\r\n" );
log_printf( &logger, " Example: CHARGER \r\n" );
chg_cfg.thm_hot = BATTMAN2_THM_HOT_411_mV;
chg_cfg.thm_warm = BATTMAN2_THM_WARM_511_mV;
chg_cfg.thm_cool = BATTMAN2_THM_COOL_747_mV;
chg_cfg.thm_cold = BATTMAN2_THM_COLD_867_mV;
chg_cfg.vchgin_min = 4.2;
chg_cfg.ichgin_lim = 95.0;
chg_cfg.i_pq = BATTMAN2_I_PQ_10_PERCENTAGE;
chg_cfg.chg_pq = 3.0;
chg_cfg.i_term = BATTMAN2_I_TERM_5_PERCENTAGE;
chg_cfg.t_topoff = BATTMAN2_T_TOPOFF_0_MIN;
chg_cfg.tj_reg = BATTMAN2_TJ_REG_60_C;
chg_cfg.vsys_reg = 4.100;
chg_cfg.chg_cc = 112.5;
chg_cfg.t_fast_chg = BATTMAN2_T_FAST_CHG_TIMER_7_HOURS;
chg_cfg.chg_cc_jeita = 15.0;
chg_cfg.thm_en = BATTMAN2_THM_EN_THERMISTOR_DISABLED;
chg_cfg.chg_cv = 3.775;
chg_cfg.usbs = BATTMAN2_USBS_CHGIN_IS_NOT_SUSPENDED;
chg_cfg.chg_cv_jeita = 3.6;
chg_cfg.imon_dischg_scale = BATTMAN2_IMON_DISCHG_SCALE_300_mA;
chg_cfg.mux_sel = BATTMAN2_MUX_SEL_MULTIPLEXER_DISABLED;
battman2_set_charger_cfg( &battman2, chg_cfg );
Delay_ms ( 100 );
battman2_set_charger_enable( &battman2, BATTMAN2_SET_CHARGER_ENABLE );
Delay_ms ( 100 );
#endif
#ifdef BUCKBOOST
log_printf( &logger, "-----------------------------------------------\r\n" );
log_printf( &logger, " Example: BUCK-BOOST \r\n" );
sbb_sel = BATTMAN2_SBB_CH_1;
sbb_cfg.output_vtg = 5.5;
sbb_cfg.op_mode = BATTMAN2_OP_MODE_BUCK_AND_BOOST;
sbb_cfg.current_limit = BATTMAN2_CURRENT_LIMIT_500_mA;
sbb_cfg.active_discharge_enable = BATTMAN2_ACTIVE_DISCHARGE_ENABLE;
sbb_cfg.enable_control = BATTMAN2_ENABLE_CONTROL_ON_IRRESPECTIVE_FPS;
sbb_cfg.ichgin_lim_def = BATTMAN2_ICHGIN_LIM_95_mA;
sbb_cfg.drv_sbb = BATTMAN2_DRV_SBB_FAST_TRANSITION_TIME;
battman2_set_sbb_config( &battman2, sbb_sel, sbb_cfg );
log_printf( &logger, "-----------------------------------------------\r\n" );
battman2_set_gpio_output( &battman2, BATTMAN2_SEL_LED_RED, BATTMAN2_PIN_STATE_OFF );
battman2_set_gpio_output( &battman2, BATTMAN2_SEL_LED_YELLOW, BATTMAN2_PIN_STATE_ON );
battman2_set_gpio_output( &battman2, BATTMAN2_SEL_LED_BLUE, BATTMAN2_PIN_STATE_OFF );
Delay_ms ( 1000 );
#endif
}
This is an example that shows the use of a BATT-MAN 2 Click board™. The choice of example profile tasks depends on uncommented code. Examples profile: CHARGER and BUCK-BOOST. In the CHARGER profile, while on the BATT-MAN 2 Click board™ the blue LED is the battery charging indicator, while the red LED indicates the cessation of battery charging. The yellow LED is an indicator of the BUCK-BOOST profile. Results are being sent to the USART terminal where the user can track their changes.
void application_task ( void )
{
#ifdef CHARGER
battman2_get_chg_status( &battman2, &chg_stat );
Delay_ms ( 10 );
display_charger_status( );
Delay_ms ( 1000 );
battman2_get_charger_cfg( &battman2, &chg_cfg );
log_printf( &logger, " Fast-charge constant current value : %.1f mA\r\n", chg_cfg.chg_cc );
log_printf( &logger, " Minimum CHGIN Regulation Voltage : %.3f V\r\n", chg_cfg.vchgin_min );
log_printf( &logger, " Battery Prequalific. Voltage Thld : %.3f V\r\n", chg_cfg.chg_pq );
log_printf( &logger, " System Voltage Regulation : %.3f V\r\n", chg_cfg.vsys_reg );
log_printf( &logger, " JEITA Ifast-chg-jeita : %.2f mA\r\n", chg_cfg.chg_cc_jeita );
log_printf( &logger, " Fast-charge battery Vreg : %.3f V\r\n", chg_cfg.chg_cv );
log_printf( &logger, " Vfast-chg-jeita : %.3f V\r\n", chg_cfg.chg_cv_jeita );
log_printf( &logger, "-----------------------------------------------\r\n" );
Delay_ms ( 1000 );
#endif
#ifdef BUCKBOOST
battman2_get_sbb_config( &battman2, sbb_sel, &sbb_cfg );
Delay_ms ( 10 );
display_sbb_status( );
Delay_ms ( 1000 );
#endif
}
display_charger_status
BATT-MAN 2 display charger status function.static void display_charger_status ( void );
display_sbb_status
BATT-MAN 2 display Buck-Boost status function.static void display_sbb_status ( void )
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:
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.