MIKROE-2847

MIKROE-2847 Datasheet

PID MIKROE-2847

Part	Datasheet
MIKROE-2847	MIKROE-2847 (pdf)

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Brushless 6 click PID MIKROE-2847 Weight 25 g Brushless 6 click is designed to drive a three-phase sensorless, brushless motor, also known as the BLDC motor. The motor rotation is controlled by receiving driving commands via the incoming PWM signal. This click board fully controls the rotation of the BLDC motor by utilizing the onboard MCU ATmega8A, an 8-bit MCU from Microchip. The onboard MCU outputs are not adequate to power on the coils of the BLDC motor directly, so this MCU is used to control the power circuitry, instead. This circuit consists of 6 MOSFET transistors, used to switch the power from an external power source to the appropriate stator coils. The advantages of the BLDC motors over the other types of DC motors are many. Thanks to their contactless design, BLDC motors last longer and because of the superior rotational speed and torque properties, BLDC motors are widely used for high-speed, lightweight applications such as the drive motors for drones, electronic cooling equipment, small house appliances, robotics and similar applications. The Brushless 6 click provides an easy and elegant solution for driving BLDC motors. How does it work? DC brushless motors, also known as BLDC motors, are becoming very popular recently, due to the fact that they have many advantages over some other types of DC motors. The term "brushless" actually means that the rotor of the BLDC motor doesn’t have any surfaces which make the electrical contact with the stator because the rotor uses only permanent magnetic materials. The main control logic component of the Brushless 6 click is the ATmega8A MCU from Microchip. It uses a 50Hz PWM signal at one of the input pins, routed to the PWM pin of the mikroBUS socket. The duty cycle of the incoming PWM signal is decoded by the onboard ATmega8A MCU so that a certain pulse width range is used to set speed and direction of the rotation. The information about how to properly decode the controller PWM signal can be found in the PWM signal control table, below. MikroElektronika demo application provided with the Brushless 6 click board, uses simplified functions to calibrate and set the speed and the direction of the BLDC motor, so it can be used as the reference for the future design. Since the MCU output can't be used to drive heavier loads directly, the stator coils are driven through the MOSFET transistors network, controlled by the MCU. The electrical circuit that powers the coils is also known as the "invertor" circuit because it provides both positive and negative voltages from the connected external power supply. The motor can be connected via the onboard connector, which provides an easy and secure connection. There is also a power connector, used to connect the external power supply, up to 12V. Specifications Type Applications The Brushless 6 click can be used to drive BLDC motors for a wide range of applications, such as the BLDC motors for drones, electronic cooling equipment, small home appliances, toys... On-board modules ATmega8A, an 8-bit MCU from Microchip. Key Features Complete driving and control of the BLDC sensorless motors in both directions. Easy to use PWM signal control through one wire. Interface Input Voltage 5V Click board size M x mm Pinout diagram This table shows how the pinout on Brushless 6 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns . Notes Notes Ground NC 1 AN PWM 16 PWM control NC 2 RST 15 NC NC 3 CS 14 NC 4 SCK 13 NC NC 5 MISO SCL 12 NC NC 6 MOSI SDA 11 NC NC 7 3.3V 5V 10 +5V Power Supply GND 8 GND 9 GND Ground

PDF Datasheet Preview

Brushless 6 click

PID MIKROE-2847

Weight 25 g

Brushless 6 click is designed to drive a three-phase sensorless, brushless motor, also known as the BLDC motor. The motor rotation is controlled by receiving driving commands via the incoming PWM signal. This click board fully controls the rotation of the BLDC motor by utilizing the onboard MCU ATmega8A, an 8-bit MCU from Microchip. The onboard MCU outputs are not adequate to power on the coils of the BLDC motor directly, so this MCU is used to control the power circuitry, instead. This circuit consists of 6 MOSFET transistors, used to switch the power from an external power source to the appropriate stator coils.

The advantages of the BLDC motors over the other types of DC motors are many. Thanks to their contactless design, BLDC motors last longer and because of the superior rotational speed and torque properties, BLDC motors are widely used for high-speed, lightweight applications such as the drive motors for drones, electronic cooling equipment, small house appliances, robotics and similar applications. The Brushless 6 click provides an easy and elegant solution for driving BLDC motors.

How does it work?

DC brushless motors, also known as BLDC motors, are becoming very popular recently, due to the fact that they have many advantages over some other types of DC motors. The term "brushless" actually means that the rotor of the BLDC motor doesn’t have any surfaces which make the electrical contact with the stator because the rotor uses only permanent magnetic materials.

The main control logic component of the Brushless 6 click is the ATmega8A MCU from Microchip. It uses a 50Hz PWM signal at one of the input pins, routed to the PWM pin of the mikroBUS socket. The duty cycle of the incoming PWM signal is decoded by the onboard ATmega8A MCU so that a certain pulse width range is used to set speed and direction of the rotation. The information about how to properly decode the controller PWM signal can be found in the PWM signal control table, below. MikroElektronika demo application provided with the Brushless 6 click board, uses simplified functions to calibrate and set the speed and the direction of the BLDC motor, so it can be used as the reference for the future design.

Since the MCU output can't be used to drive heavier loads directly, the stator coils are driven through the MOSFET transistors network, controlled by the MCU. The electrical circuit that powers the coils is also known as the "invertor" circuit because it provides both positive and negative voltages from the connected external power supply. The motor can be connected via the onboard connector, which provides an easy and secure connection. There is also a power connector, used to connect the external power supply, up to 12V.

Specifications

Type

Applications The Brushless 6 click can be used to drive BLDC motors for a wide range of applications, such as the BLDC motors for drones, electronic cooling equipment, small home
appliances, toys...

On-board modules

ATmega8A, an 8-bit MCU from Microchip.

Key Features

Complete driving and control of the BLDC sensorless motors in both directions. Easy to use PWM signal control through one wire.

Interface

Input Voltage 5V

Click board size

M x mm

Pinout diagram

This table shows how the pinout on Brushless 6 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes

Notes

Ground

NC 1 AN

PWM 16 PWM control

NC 2 RST
15 NC

NC 3 CS
14 NC
4 SCK
13 NC

NC 5 MISO SCL
12 NC

NC 6 MOSI SDA 11 NC

NC 7 3.3V 5V
10 +5V

Power Supply

GND 8 GND 9 GND Ground

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MIKROE-2847 Datasheet file may be downloaded here without warranties.

Datasheet ID: MIKROE-2847 649457