Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| MotorType-Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Half Bridge (4) |
| Interface | Logic |
| Technology | Power MOSFET |
| StepResolution | 1, 1/2, 1/4, 1/8 |
| Applications | General Purpose |
| Current-Output | 1.9A |
| Voltage-Supply | 3V ~ 5.5V |
| Voltage-Load | 8V ~ 38V |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-PowerTSSOP (0.173, 4.40mm Width) |
Обзор
Description
The DRV8811PWPR is a motor driver integrated circuit (IC) developed by Texas Instruments, designed to control bipolar stepper motors. It is part of the DRV8811 series and comes in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. This driver is tailored for applications such as printers, scanners, and various robotics systems, where precise control of stepper motor movements is required.
Key features include:
1. Microstepping Capability: Supports full-step, half-step, quarter-step, and eighth-step modes to enable smooth and precise motor control.
2. Integrated Protection: Offers overcurrent, overtemperature, and undervoltage lockout protections, enhancing reliability.
3. Built-in Current Regulation: Allows for dynamic adjustment of motor current to optimize efficiency and reduce power loss.
4. Wide Operating Voltage Range: Compatible with motor supply voltages from 8.2 V to 35 V.
5. Efficient Design: Utilizes low RDS(on) MOSFETs to minimize power dissipation.
This IC is advantageous for its compact size, efficiency, and comprehensive protection features, making it suitable for various precise and power-sensitive applications.
Key features include:
1. Microstepping Capability: Supports full-step, half-step, quarter-step, and eighth-step modes to enable smooth and precise motor control.
2. Integrated Protection: Offers overcurrent, overtemperature, and undervoltage lockout protections, enhancing reliability.
3. Built-in Current Regulation: Allows for dynamic adjustment of motor current to optimize efficiency and reduce power loss.
4. Wide Operating Voltage Range: Compatible with motor supply voltages from 8.2 V to 35 V.
5. Efficient Design: Utilizes low RDS(on) MOSFETs to minimize power dissipation.
This IC is advantageous for its compact size, efficiency, and comprehensive protection features, making it suitable for various precise and power-sensitive applications.
Equivalent
The DRV8811PWPR is a stepper motor driver by Texas Instruments. Equivalent products from other manufacturers might include:
1. Allegro A4988: A popular microstepping motor driver with similar features.
2. STMicroelectronics L6208: A stepper motor driver with integrated DMOS outputs.
3. Toshiba TB6560: Another commonly used stepper motor driver for similar applications.
Always check specific electrical characteristics and pin configurations to ensure compatibility.
1. Allegro A4988: A popular microstepping motor driver with similar features.
2. STMicroelectronics L6208: A stepper motor driver with integrated DMOS outputs.
3. Toshiba TB6560: Another commonly used stepper motor driver for similar applications.
Always check specific electrical characteristics and pin configurations to ensure compatibility.
Features
The DRV8811PWPR is a stepper motor controller IC designed by Texas Instruments. Key features include:
1. Microstepping Capability: Supports full-step, half-step, quarter-step, and eighth-step modes for smooth motor control.
2. Dual H-Bridge Driver: Contains two H-bridges to drive a bipolar stepper motor.
3. Current Control: Features a current regulation system with three decay modes (fast, slow, and mixed) to optimize performance.
4. Wide Voltage Range: Operates from 8.2V to 35V, suitable for various applications.
5. Output Current: Capable of delivering up to 2.5A peak current per bridge, allowing for powerful motor operation.
6. Protection Features: Offers overcurrent, overtemperature, and undervoltage lockout protections to enhance reliability and safety.
7. Thermal Performance: Comes in a PowerPAD package for efficient heat dissipation.
8. Simple Interface: Provides an easy-to-use interface for control using standard logic signals.
These features make the DRV8811PWPR well-suited for driving stepper motors in printers, scanners, robotics, and other applications requiring precise motor control.
1. Microstepping Capability: Supports full-step, half-step, quarter-step, and eighth-step modes for smooth motor control.
2. Dual H-Bridge Driver: Contains two H-bridges to drive a bipolar stepper motor.
3. Current Control: Features a current regulation system with three decay modes (fast, slow, and mixed) to optimize performance.
4. Wide Voltage Range: Operates from 8.2V to 35V, suitable for various applications.
5. Output Current: Capable of delivering up to 2.5A peak current per bridge, allowing for powerful motor operation.
6. Protection Features: Offers overcurrent, overtemperature, and undervoltage lockout protections to enhance reliability and safety.
7. Thermal Performance: Comes in a PowerPAD package for efficient heat dissipation.
8. Simple Interface: Provides an easy-to-use interface for control using standard logic signals.
These features make the DRV8811PWPR well-suited for driving stepper motors in printers, scanners, robotics, and other applications requiring precise motor control.
Pinout
The DRV8811PWPR is a stepper motor driver with a 28-pin PowerPAD™ HTSSOP package. It is designed to provide an integrated solution for driving bipolar stepper motors. The key features and functions include:
1. Pin Count: The device has 28 pins.
2. Functions:
- VM (Pins 1, 28): Supply voltage for the motor.
- OUT1A, OUT1B, OUT2A, OUT2B (Pins 14, 15, 21, 20): Outputs for the H-Bridge, connecting to the stepper motor windings.
- GND (Pins 7, 8, 18, 19): Ground connections.
- VREF (Pin 6): Reference voltage for current regulation.
- DECAY (Pin 5): Decay mode selection.
- nRESET (Pin 4): Resets internal logic.
- nSLEEP (Pin 3): Puts the device into low-power sleep mode.
- STEP (Pin 10): Steps the motor by one increment.
- DIR (Pin 9): Sets the direction of the stepper motor.
- ENABLE (Pin 11): Enables the H-Bridge outputs.
- FAULT (Pin 12): Indicates fault conditions.
- MODE (Pins 2, 13): Selects microstepping mode.
- V3P3OUT (Pin 17): 3.3V regulator output used for internal logic.
These pins and functions are specifically configured to manage and control the operation of stepper motors efficiently.
1. Pin Count: The device has 28 pins.
2. Functions:
- VM (Pins 1, 28): Supply voltage for the motor.
- OUT1A, OUT1B, OUT2A, OUT2B (Pins 14, 15, 21, 20): Outputs for the H-Bridge, connecting to the stepper motor windings.
- GND (Pins 7, 8, 18, 19): Ground connections.
- VREF (Pin 6): Reference voltage for current regulation.
- DECAY (Pin 5): Decay mode selection.
- nRESET (Pin 4): Resets internal logic.
- nSLEEP (Pin 3): Puts the device into low-power sleep mode.
- STEP (Pin 10): Steps the motor by one increment.
- DIR (Pin 9): Sets the direction of the stepper motor.
- ENABLE (Pin 11): Enables the H-Bridge outputs.
- FAULT (Pin 12): Indicates fault conditions.
- MODE (Pins 2, 13): Selects microstepping mode.
- V3P3OUT (Pin 17): 3.3V regulator output used for internal logic.
These pins and functions are specifically configured to manage and control the operation of stepper motors efficiently.
Manufacturer
The DRV8811PWPR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic products. They are known for their analog and embedded processing products, which are often used in various applications such as industrial, automotive, personal electronics, and communications equipment. TI is recognized for its innovation in the semiconductor industry and provides comprehensive solutions for customers by offering a broad portfolio of products, advanced process technologies, and extensive design support.
Application
The DRV8811PWPR is a stepper motor driver IC commonly used in applications requiring precise motor control. Key application areas include:
1. 3D Printers: For precise movement control of the print head and bed.
2. Robotics: Used in robotic arms and other mechanisms that require accurate positioning.
3. CNC Machines: Provides reliable step control for cutting and milling operations.
4. Automated Machinery: In industrial automation for conveyor belts and positioning systems.
5. Office Equipment: In printers and scanners to control paper feed and scanning mechanisms.
6. Medical Devices: For precision control in equipment like infusion pumps and imaging systems.
The DRV8811PWPR supports micro-stepping, which enhances the precision and smoothness of motor movements across these applications.
1. 3D Printers: For precise movement control of the print head and bed.
2. Robotics: Used in robotic arms and other mechanisms that require accurate positioning.
3. CNC Machines: Provides reliable step control for cutting and milling operations.
4. Automated Machinery: In industrial automation for conveyor belts and positioning systems.
5. Office Equipment: In printers and scanners to control paper feed and scanning mechanisms.
6. Medical Devices: For precision control in equipment like infusion pumps and imaging systems.
The DRV8811PWPR supports micro-stepping, which enhances the precision and smoothness of motor movements across these applications.
Package
The DRV8811PWPR is a stepper motor driver IC from Texas Instruments. It comes in a TSSOP (Thin Shrink Small Outline Package) with 28 pins, specifically a PowerPAD TSSOP (HTSSOP-28). This package type helps in efficient heat dissipation, making it suitable for high-power applications.