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MC33887DHR2

MC33887DHR2

Product Overview

Category: Integrated Circuit (IC)

Use: Motor Driver

Characteristics: - High current capability - Wide operating voltage range - Built-in protection features - Compact package size

Package: PowerSO-20

Essence: MC33887DHR2 is a high-performance motor driver IC designed for controlling DC motors in various applications.

Packaging/Quantity: The MC33887DHR2 is available in a PowerSO-20 package and is typically sold in reels of 2500 units.

Specifications

  • Operating Voltage Range: 5.5V to 50V
  • Output Current: Up to 5A continuous, 10A peak
  • Number of Outputs: 1
  • Control Interface: Parallel
  • Fault Detection and Protection: Overcurrent, overtemperature, undervoltage lockout, short circuit, and open load detection

Detailed Pin Configuration

The MC33887DHR2 has a total of 20 pins. Here is the detailed pin configuration:

  1. OUT1 - Motor output 1
  2. GND - Ground
  3. VBB - Logic supply voltage
  4. IN1 - Input 1
  5. IN2 - Input 2
  6. VREF - Reference voltage
  7. VCP - Charge pump capacitor connection
  8. VREG - Regulator output
  9. VCC - Motor supply voltage
  10. OUT2 - Motor output 2
  11. DIAG - Diagnostic output
  12. VDS - Low-side MOSFET source connection
  13. VS - Sense resistor connection
  14. VCP - Charge pump capacitor connection
  15. VREG - Regulator output
  16. VCC - Motor supply voltage
  17. OUT3 - Motor output 3
  18. GND - Ground
  19. IN3 - Input 3
  20. IN4 - Input 4

Functional Features

  • High current capability allows driving motors with high power requirements.
  • Wide operating voltage range enables compatibility with various motor types and power sources.
  • Built-in protection features such as overcurrent, overtemperature, undervoltage lockout, short circuit, and open load detection ensure safe operation and prevent damage to the motor and driver.
  • Parallel control interface simplifies integration into existing systems.

Advantages and Disadvantages

Advantages: - High current capability for driving powerful motors - Wide operating voltage range for versatility - Comprehensive built-in protection features - Compact package size for space-constrained applications

Disadvantages: - Limited number of outputs (1) may restrict certain motor control configurations - Requires external sense resistor for current sensing

Working Principles

The MC33887DHR2 operates by receiving control signals through its input pins (IN1, IN2, IN3, IN4) to determine the desired motor direction and speed. The internal circuitry amplifies and drives the motor current through the corresponding output pins (OUT1, OUT2, OUT3). The device incorporates various protection mechanisms to safeguard against faults and ensure reliable motor operation.

Detailed Application Field Plans

The MC33887DHR2 is widely used in applications requiring precise control of DC motors, including: - Robotics - Automotive systems - Industrial automation - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the MC33887DHR2: - L298N - DRV8833 - TB6612FNG - SN754410NE

These alternatives provide comparable motor driving capabilities and protection features, offering flexibility for different design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MC33887DHR2 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MC33887DHR2 in technical solutions:

  1. Q: What is MC33887DHR2? A: MC33887DHR2 is a motor driver IC designed for controlling brushed DC motors in various applications.

  2. Q: What is the maximum voltage rating of MC33887DHR2? A: The maximum voltage rating of MC33887DHR2 is 50V.

  3. Q: What is the maximum current rating of MC33887DHR2? A: MC33887DHR2 can handle a maximum continuous output current of 5A.

  4. Q: Can MC33887DHR2 drive both forward and reverse directions of a DC motor? A: Yes, MC33887DHR2 supports bidirectional control, allowing it to drive a DC motor in both forward and reverse directions.

  5. Q: Does MC33887DHR2 have built-in protection features? A: Yes, MC33887DHR2 includes various protection features like overcurrent protection, thermal shutdown, and under-voltage lockout.

  6. Q: What is the operating temperature range of MC33887DHR2? A: MC33887DHR2 has an operating temperature range of -40°C to +150°C.

  7. Q: Can MC33887DHR2 be used with microcontrollers or other digital control systems? A: Yes, MC33887DHR2 can be easily interfaced with microcontrollers or other digital control systems using its logic-level inputs.

  8. Q: How many logic inputs does MC33887DHR2 have? A: MC33887DHR2 has two independent logic inputs for controlling the direction and speed of the motor.

  9. Q: Can MC33887DHR2 handle regenerative braking? A: Yes, MC33887DHR2 supports regenerative braking, allowing it to dissipate the energy generated during motor deceleration.

  10. Q: What are some typical applications of MC33887DHR2? A: MC33887DHR2 is commonly used in robotics, automotive systems, industrial automation, and other applications that require precise control of brushed DC motors.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.