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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.15
mikroSDK Library: 2.0.0.0
Category: Brushless
Downloaded: 199 times
Not followed.
License: MIT license
Brushless 15 Click is a compact add-on board suitable for controlling BLDC motors with any MCU. This board features the TB9061AFNG, an automotive pre-driver that incorporates a sensorless controller for driving a 3-phase full-wave brushless DC motor from Toshiba Semiconductor. The TB9061AFNG achieves 120° rectangular wave motor control by using an input signal line that measures the induced voltage of the motors and three-phase motor output without using Hall sensors, rated for an operating voltage range of 6 to 18V. Motor rotation can be controlled by either the DC or the PWM input signal. Besides, it features several diagnostic circuits and drive-control functions such as motor lock detection, step-out detection, over-current/over-temperature detection, and many more.
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Brushless 15 Click is a compact add-on board suitable for controlling BLDC motors with any MCU. This board features the TB9061AFNG, an automotive pre-driver that incorporates a sensorless controller for driving a 3-phase full-wave brushless DC motor from Toshiba Semiconductor. The TB9061AFNG achieves 120° rectangular wave motor control by using an input signal line that measures the induced voltage of the motors and three-phase motor output without using Hall sensors, rated for an operating voltage range of 6 to 18V. Motor rotation can be controlled by either the DC or the PWM input signal. Besides, it features several diagnostic circuits and drive-control functions such as motor lock detection, step-out detection, over-current/over-temperature detection, and many more.
We provide a library for the Brushless 15 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 Brushless 15 Click driver.
brushless15_cfg_setup
Config Object Initialization function.
void brushless15_cfg_setup ( brushless15_cfg_t *cfg );
brushless15_init
Initialization function.
err_t brushless15_init ( brushless15_t *ctx, brushless15_cfg_t *cfg );
brushless15_default_cfg
Click Default Configuration function.
err_t brushless15_default_cfg ( brushless15_t *ctx );
brushless15_set_duty_cycle
This function sets the PWM duty cycle in percentages ( Range[ 0..1 ] ).
err_t brushless15_set_duty_cycle ( brushless15_t *ctx, float duty_cycle );
brushless15_enable_device
This function enables the device by setting the EN pin to low logic state.
void brushless15_enable_device ( brushless15_t *ctx );
brushless15_switch_direction
This function switches the direction by toggling the DIR pin state.
void brushless15_switch_direction ( brushless15_t *ctx );
This example demonstrates the use of the Brushless 15 Click board by driving the motor in both directions at different speeds.
The demo application is composed of two sections :
Initializes the driver and performs the Click default configuration.
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
brushless15_cfg_t brushless15_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.
brushless15_cfg_setup( &brushless15_cfg );
BRUSHLESS15_MAP_MIKROBUS( brushless15_cfg, MIKROBUS_1 );
if ( PWM_ERROR == brushless15_init( &brushless15, &brushless15_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
if ( BRUSHLESS15_ERROR == brushless15_default_cfg ( &brushless15 ) )
{
log_error( &logger, " Default configuration." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
}
Controls the motor speed by changing the PWM duty cycle once per second. The duty cycle ranges from 20% to 80%. At the minimal speed, the motor switches direction. Each step will be logged on the USB UART where you can track the program flow.
void application_task ( void )
{
static int8_t duty_cnt = 2;
static int8_t duty_inc = 1;
float duty = duty_cnt / 10.0;
brushless15_set_duty_cycle ( &brushless15, duty );
log_printf( &logger, "> Duty: %d%%\r\n", ( uint16_t )( duty_cnt * 10 ) );
Delay_ms ( 1000 );
duty_cnt += duty_inc;
if ( 8 == duty_cnt )
{
duty_inc = -1;
}
else if ( 1 == duty_cnt )
{
duty_inc = 1;
duty_cnt = 2;
log_printf( &logger, " Switch direction\r\n\n" );
brushless15_switch_direction ( &brushless15 );
}
}
The maximal PWM Clock frequency for this Click board is 1 kHz. So, depending on the selected setup the user will need to lower the MCU's main clock frequency in the setup in order to get the PWM clock frequency down to 1 kHz.
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.