DRV8886ATEVM

Series:	--
Part Status:	Active
Type:	Power Management
Function:	Motor Controller/Driver, Stepper
Embedded:	Yes, MCU, 16-Bit
Utilized IC / Part:	DRV8886AT
Primary Attributes:	--
Supplied Contents:	Board(s)
Secondary Attributes:	Graphical User Interface

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Introduction to DRV8886

The DRV8886ATEVM is an evaluation board and kit from Texas Instruments (TI). It is used to evaluate the features and performance of the DRV8886 motor driver device which TI manufactures. The DRV8886 is a high voltage, low power, and low quiescent current integrated circuit designed for a range of motors used in industrial, automotive, healthcare, and other motion control applications. It is a powerful and reliable device that provides efficient control of electric motors.

Application Fields of DRV8886

The DRV8886 is used in a range of motor control applications. It is ideal for motor drivers in robots, electric vehicles, industrial machinery, power tools, and other applications where efficient motion control is needed. The DRV8886 is designed to provide maximum efficiency and improved torque response regardless of the load or speed. This makes it suitable for dynamic and high-precision control systems. It also offers added benefits like electromagnetic interference (EMI) protection, wide supply voltage range, and short circuit protection. In addition, the DRV8886 includes features like PWM current control, speed control, and adjustable sleep modes. This enables users to customize the motor driver to suit their needs. The DRV8886 also offers an augmented drive feature which provides up to 50% increased motor drive compared to a conventional motor driver.

Working Principle of DRV8886

The DRV8886 is based on a two-level powerstage architecture. The powerstage includes two high-voltage MOSFETs (HVMOS), which are used to switch the power supplied to the motor. The power provided to the motor can be adjusted based on the duty cycle provided by the Drive Logic inputs. The Drive Logic inputs are used to control the current in the motor.When the DRV8886 is in sleep mode, it automatically powers down all the internal logic circuits and reduces the power dissipation. This low-power quiescent current mode allows the device to consume very little power while still providing full functionality.To increase the motor drive, the DRV8886 uses an augmented drive function which adjusts the switching frequency of the HVMOS. This function increases the drive level by up to 50% and improves the dynamic torque for enhanced performance.

Conclusion

The DRV8886ATEVM from Texas Instruments is an evaluation board and kit that allows users to evaluate the features and performance of the DRV8886 motor driver device. The DRV8886 is a powerful and reliable device that provides efficient control of electric motors for a range of motor control applications. It offers wide supply voltage range, PWM current control, speed control, adjustable sleep modes, augmentation drive feature, and short circuit protection. The DRV8886 is based on two-level powerstage architecture and it reduces the power dissipation in sleep mode.

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