DRV8881ERHRR

Step Resolution:	--
Supplier Device Package:	28-WQFN (5.5x3.5)
Package / Case:	28-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Voltage - Load:	6.5 V ~ 45 V
Voltage - Supply:	6.5 V ~ 45 V
Current - Output:	1.4A
Applications:	General Purpose
Series:	--
Technology:	Power MOSFET
Interface:	Parallel
Output Configuration:	Half Bridge (4)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	Brushed DC
Motor Type - Stepper:	Bipolar
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction: What is DRV8881ERHRR?

DRV8881ERHRR is a fully integrated, high-performance, dual-channel H-bridge motor driver IC. It combines a wide range of features with a robust, low-EMI design, including an extended temperature range, 4-level adaptive current control, and low EMC noise. The DRV8881ERHRR is targeted at brushless DC electrical motors and is capable of delivering up to 13A continuous current per output.

Application Field of DRV8881ERHRR

In modern industrial, commercial and residential applications, the DRV8881ERHRR is often used to drive brushless DC (BLDC) motors. DRV8881ERHRR is capable of driving up to two independently controlled brushed DC or two sets of three phase brushless DC motors for a variety of applications, including automotive, HVAC and home appliances, industrial equipment, packaging machinery, hand tools, pumps, fans, and many more.DRV8881ERHRR\'s wide operating voltage range makes it suitable for a variety of applications, from robotics and medical equipment to materials handling and white goods. With its high power output, the driver can be used to control large motors in high-efficiency applications, and its low standby current allows for extended battery life in portable electronics.

Working Principle of DRV8881ERHRR

The DRV8881ERHRR is an H-bridge motor driver IC, which uses the four-level adaptive current control and pulse-width modulation (PWM) to control the speed, direction and torque of the motor. The four-level adaptive current control ensures that the motor current is always below the set maximum, which ensures safe operation even during extreme load conditions. The PWM signals are generated by an onboard microcontroller and sent to the DRV8881ERHRR to control the speed and direction of the motor.The DRV8881ERHRR also supports Indirect Speed, Torque and Position Control, allowing for more precise control of the motor. This mode is used when the motor is controlled by an internal or external encoder, where it is necessary to maintain the speed and position of the motor. The DRV8881ERHRR also has a built-in current sensing circuit and over current protection, ensuring safety and protecting the motor and the driver IC from damage.

Conclusion

The DRV8881ERHRR is a powerful, high-performance H-bridge motor driver IC, capable of delivering up to 13A continuous current per output. It is suitable for a wide range of applications, from robotics and medical equipment to home appliances, and its wide operating voltage range makes it suitable for use in a variety of projects. The DRV8881ERHRR also supports Indirect Speed, Torque and Position Control, allowing for more precise control of the motor. Finally, the DRV8881ERHRRM also has a built-in current sensing circuit and over current protection, ensuring safety and protecting the motor and the driver IC from damage.

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