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DRV8848PWPR
Product Overview
Category: Integrated Circuit (IC)
Use: Motor Driver
Characteristics: - High-performance motor driver IC - Designed for driving brushed DC motors - Supports bidirectional control of one brushed DC motor or two unidirectional brushed DC motors
Package: PowerPAD HTSSOP (20-pin)
Essence: DRV8848PWPR is a versatile motor driver IC that provides efficient and reliable control for brushed DC motors.
Packaging/Quantity: The DRV8848PWPR is available in a reel packaging with 2500 units per reel.
Specifications
- Operating Voltage Range: 2.5V to 12V
- Output Current: Up to 5A continuous (per H-bridge)
- Peak Output Current: Up to 10A (per H-bridge)
- Low RDS(on) Outputs: 0.4Ω (typical)
- PWM Control Interface: Up to 100kHz frequency
- Fault Protection Features: Overcurrent, overtemperature, undervoltage lockout, and short-circuit protection
Pin Configuration
The DRV8848PWPR has a total of 20 pins. Here is the detailed pin configuration:
- VCP - Charge pump output voltage
- CP1 - Charge pump capacitor connection
- CP2 - Charge pump capacitor connection
- GND - Ground reference
- VREG - Internal regulator output voltage
- VM - Motor supply voltage
- OUTB1 - Motor output B1
- OUTA1 - Motor output A1
- VREF - Reference voltage for current sense
- ISENSE1 - Current sense input for motor 1
- ISENSE2 - Current sense input for motor 2
- VCP - Charge pump output voltage
- CP1 - Charge pump capacitor connection
- CP2 - Charge pump capacitor connection
- GND - Ground reference
- VREG - Internal regulator output voltage
- VM - Motor supply voltage
- OUTB2 - Motor output B2
- OUTA2 - Motor output A2
- VCP - Charge pump output voltage
Functional Features
- Bidirectional control of one brushed DC motor or two unidirectional brushed DC motors
- Integrated charge pump for low-voltage operation
- Adjustable current limit and decay modes
- Fault protection features for enhanced reliability
- PWM control interface for precise speed and direction control
Advantages and Disadvantages
Advantages: - High-performance motor driver with efficient power management - Supports bidirectional control for versatile motor applications - Comprehensive fault protection features ensure system safety - Compact package size for space-constrained designs
Disadvantages: - Limited to driving brushed DC motors only - Requires external components for complete motor control system
Working Principles
The DRV8848PWPR operates by receiving control signals from a microcontroller or other control circuitry. It utilizes H-bridge topology to drive the connected brushed DC motor(s) in the desired direction and speed. The integrated charge pump allows the IC to operate at low voltages, making it suitable for battery-powered applications. The adjustable current limit and decay modes provide flexibility in motor control. Fault protection features such as overcurrent, overtemperature, undervoltage lockout, and short-circuit protection ensure safe operation of the motor and the driver IC.
Detailed Application Field Plans
The DRV8848PWPR finds applications in various fields, including:
- Robotics: Controlling the movement of robotic arms, wheels, and joints.
- Automotive: Powering window regulators, seat adjustment mechanisms, and windshield wipers.
- Industrial Automation: Driving conveyor belts, pumps, and actuators.
- Home Appliances: Controlling the movement of fans, vacuum cleaners, and kitchen appliances.
- Medical Devices: Operating surgical tools, prosthetic limbs, and motorized medical equipment.
Detailed and Complete Alternative Models
- DRV8833PWPR: Similar motor driver IC with lower output current capability.
- DRV8871PWPR: Motor driver IC with higher output current capability and additional features.
- DRV8847PWPR: Motor driver IC with similar specifications but different pin configuration.
(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of alternatives.)
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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von DRV8848PWPR in technischen Lösungen auf
Sure! Here are 10 common questions and answers related to the application of DRV8848PWPR in technical solutions:
Q: What is DRV8848PWPR? A: DRV8848PWPR is a motor driver IC (integrated circuit) designed for driving brushed DC motors or stepper motors.
Q: What is the maximum voltage that DRV8848PWPR can handle? A: DRV8848PWPR can handle a maximum voltage of 45V.
Q: Can DRV8848PWPR drive both brushed DC motors and stepper motors? A: Yes, DRV8848PWPR can drive both brushed DC motors and stepper motors.
Q: What is the maximum current that DRV8848PWPR can deliver? A: DRV8848PWPR can deliver a maximum current of 5A.
Q: Does DRV8848PWPR support PWM (Pulse Width Modulation) control? A: Yes, DRV8848PWPR supports PWM control for speed and direction control of motors.
Q: Is DRV8848PWPR compatible with microcontrollers like Arduino? A: Yes, DRV8848PWPR is compatible with microcontrollers like Arduino as it can be controlled using digital signals.
Q: Can DRV8848PWPR handle overcurrent protection? A: Yes, DRV8848PWPR has built-in overcurrent protection to prevent damage to the motor and the driver itself.
Q: What is the thermal shutdown feature in DRV8848PWPR? A: The thermal shutdown feature in DRV8848PWPR protects the IC from overheating by shutting down the driver when the temperature exceeds a certain threshold.
Q: Does DRV8848PWPR have a fault detection mechanism? A: Yes, DRV8848PWPR has a fault detection mechanism that can detect faults like overtemperature, undervoltage, and overvoltage conditions.
Q: Can DRV8848PWPR be used in battery-powered applications? A: Yes, DRV8848PWPR can be used in battery-powered applications as it has a wide operating voltage range and low power consumption.
Please note that these answers are general and may vary depending on the specific application and implementation of DRV8848PWPR in a technical solution.