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:

1. VCP - Charge pump output voltage
2. CP1 - Charge pump capacitor connection
3. CP2 - Charge pump capacitor connection
4. GND - Ground reference
5. VREG - Internal regulator output voltage
6. VM - Motor supply voltage
7. OUTB1 - Motor output B1
8. OUTA1 - Motor output A1
9. VREF - Reference voltage for current sense
10. ISENSE1 - Current sense input for motor 1
11. ISENSE2 - Current sense input for motor 2
12. VCP - Charge pump output voltage
13. CP1 - Charge pump capacitor connection
14. CP2 - Charge pump capacitor connection
15. GND - Ground reference
16. VREG - Internal regulator output voltage
17. VM - Motor supply voltage
18. OUTB2 - Motor output B2
19. OUTA2 - Motor output A2
20. 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:

1. Robotics: Controlling the movement of robotic arms, wheels, and joints.
2. Automotive: Powering window regulators, seat adjustment mechanisms, and windshield wipers.
3. Industrial Automation: Driving conveyor belts, pumps, and actuators.
4. Home Appliances: Controlling the movement of fans, vacuum cleaners, and kitchen appliances.
5. Medical Devices: Operating surgical tools, prosthetic limbs, and motorized medical equipment.

Detailed and Complete Alternative Models

1. DRV8833PWPR: Similar motor driver IC with lower output current capability.
2. DRV8871PWPR: Motor driver IC with higher output current capability and additional features.
3. 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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