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mikroSDK Library

Buck 3 Click

Rating:

5

Author: MIKROE

Last Updated: 2018-04-04

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Buck

Downloaded: 4825 times

Not followed.

License: MIT license  

Buck 3 click is a very advanced synchronous step-down (buck) converter, which is designed to deliver noise and ripple-free voltage to highly sensitive applications, such as FPGA and high-performance DSP platforms.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Buck 3 click

Buck 3 click

Native view of the Buck 3 click board.

View full image
Buck 3 click

Buck 3 click

Front and back view of the Buck 3 click board.

View full image

Library Description

The library carries only two functions needed to control Buck 3 click.

Key functions:

  • uint8_t buck3_getState() - Checks the Power Good Indicator.
  • void buck3_enable( uint8_t state ) - Puts the device in working mode (enable).

Examples Description

The demo application is composed of three sections:

  • System Initialization - Initializes the CS pin as INPUT and RST pin as OUTPUT.
  • Application Initialization - Initializes the Driver init and puts the device in ACTIVE mode.
  • Application Task - (code snippet) - Sequentially, each second, checks the status of the Buck 3 Click and if the overvoltage detected or device is under thermal shutdown it logs a message on the USBUART.


Note: Open Drain Power Good Indicator, it is asserted low if the output voltage is out of PGOOD threshold, Overvoltage or if the device is under thermal shutdown, EN shutdown or during soft start. Once the FB pin voltage is between 93% and 107% of the internal reference voltage (VREF) the PGOOD is pulled high.

void applicationTask()
{
 statePG = buck3_getState();

 if (statePG == 0)
 {
 mikrobus_logWrite( "Overvoltage or thermal shutdown detected", _LOG_LINE );
 Delay_1sec();
 }
}

Other MikroElektronika libraries used in the example:

  • UART

Additional notes and information

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. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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