Allicdata Part #: | 296-42434-2-ND |
Manufacturer Part#: |
DRV8881EPWPR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC MOTOR DRIVER 28HTSSOP |
More Detail: | Bipolar Motor Driver Power MOSFET Parallel 28-HTSS... |
DataSheet: | DRV8881EPWPR Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 3 (168 Hours) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Specifications
Technology: | Power MOSFET |
Supplier Device Package: | 28-HTSSOP |
Package / Case: | 28-TSSOP (0.173", 4.40mm Width) 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 |
Step Resolution: | -- |
Series: | -- |
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 |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
Description
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DRV8881EPWPR Application Field and Working Principle
The DRV8881EPWPR is an advanced high performance and low noise power conversion module developed and produced by Texas Instruments, which belongs to the motor driver, controller, and PMIC (Power Management Integrated Circuit) field. It is more suitable for the motor applications of modern commercial vehicles and energy saving devices.What is DRV8881EPWPR?
DRV8881EPWPR is a high-performance, low-noise stepper motor pre-driver. This device uses a 48-pin VQFN package and operates with a wide input voltage range of 8 V~80 V. DRV8881EPWPR features a built-in hardware stepping motor pre-driver and precise speed/position adjustment with a 4-bit ALU, 6-bit depth, up to 2 MHz step frequency, and current control down to 0.1mA. The function of the integrated BLDC (brushless DC) motor is seamless, and the built-in I2C controller allows tuning of the setting parameters.The DRV8881EPWPR has 4 control and power amplifier (CPA) outputs, providing 4×50 W of power to control each motor phase. It also has two channels of preamplifiers to simplify the design of a single symmetric motor. The integrated pre-driver is capable of accurately controlling up to 4 motors and generating an output voltage up to 40V.Application Field of DRV8881EPWPR
The DRV8881EPWPR is mainly used in commercial vehicles and energy saving devices, such as step motors, servo motors and other motion control systems. Its main advantages include lower noise, better control accuracy, and higher operating system power. In addition, it can be used in sensing systems, such as electric vacuum pumps, vacuum cleaners, automotive electric pumps, robotic massages and so on.It can also be applied in home appliances, medical equipment and many other industrial applications. In addition to motor control, it can also be used for anti-theft security, display backlights, white goods and residential services. With the help of its accurate and stable performance, it plays an irreplaceable role in all kinds of motor control applications.Working Principle of DRV8881EPWPR
The DRV8881EPWPR is a highly efficient and low noise stepper motor pre-driver. It integrates the control logic, four control and power amplifiers (CPA) output stages and two pre-drivers which configure a single symmetric Motor configuration. It uses Texas Instruments’ patented peak current mode to adjust the current and speed of the motor.The peak current mode loop adjusts the amount of current through the motor by comparing the sensed phase current to a reference. The sensed phase current is sensed through the external current sensing resistor and the central processor unit (CPU) controls the integrated four CPA output stages through a digital modulation scheme. The CPA output drivers are controlled by a 4-bit ALU, 6-bit depth, up to 2MHz step frequency, and current that can be controlled down to 0.1 mA.Conclusion
In conclusion, the DRV8881EPWPR is a unique high-performance and low-noise motor driver. It belongs to the PMIC (power management integrated circuit) field, which is more suitable for modern commercial vehicle and energy saving device motor applications. It has a wide range of applications, including motor control, anti-theft security, display backlights, white goods and residential services. With its integrated pre-driver and precise speed/position adjustment, it can precisely control up to 4 motors, making it an indispensable module in any motor control application.The specific data is subject to PDF, and the above content is for reference
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