MC33981ABHFK

Product Overview

• Category: Integrated Circuit
• Use: Motor Driver
• Characteristics: High-performance, automotive-grade motor driver IC
• Package: QFN (Quad Flat No-Lead)
• Essence: Provides a compact and efficient solution for driving motors in automotive applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Operating Voltage: 5V to 28V
• Output Current: Up to 1.5A per channel
• Number of Channels: 8
• Control Interface: Serial Peripheral Interface (SPI)
• Operating Temperature Range: -40°C to +125°C
• Protection Features: Overcurrent protection, thermal shutdown, and reverse battery protection

Detailed Pin Configuration

The MC33981ABHFK has a total of 32 pins. The pin configuration is as follows:

1. VBAT: Battery voltage input
2. GND: Ground
3. IN1: Input for Channel 1
4. OUT1: Output for Channel 1
5. IN2: Input for Channel 2
6. OUT2: Output for Channel 2
7. IN3: Input for Channel 3
8. OUT3: Output for Channel 3
9. IN4: Input for Channel 4
10. OUT4: Output for Channel 4
11. IN5: Input for Channel 5
12. OUT5: Output for Channel 5
13. IN6: Input for Channel 6
14. OUT6: Output for Channel 6
15. IN7: Input for Channel 7
16. OUT7: Output for Channel 7
17. IN8: Input for Channel 8
18. OUT8: Output for Channel 8
19. VDD: Power supply voltage input
20. CS: Chip select input
21. SCLK: Serial clock input
22. SDI: Serial data input
23. SDO: Serial data output
24. IRQ: Interrupt request output
25. EN: Enable input
26. FAULT: Fault output
27. NC: No connection
28. NC: No connection
29. NC: No connection
30. NC: No connection
31. NC: No connection
32. NC: No connection

Functional Features

• Provides high-performance motor control for automotive applications
• Eight independent channels for driving motors
• SPI interface for easy communication with microcontrollers
• Built-in protection features ensure safe operation
• Compact QFN package allows for space-saving designs

Advantages and Disadvantages

Advantages: - High-performance motor control - Automotive-grade reliability - Compact size - Easy integration with microcontrollers - Comprehensive protection features

Disadvantages: - Limited output current per channel (up to 1.5A)

Working Principles

The MC33981ABHFK is a motor driver IC that utilizes the SPI interface to receive control signals from a microcontroller. It amplifies these signals and drives the connected motors accordingly. The IC incorporates various protection features such as overcurrent protection, thermal shutdown, and reverse battery protection to ensure safe operation in automotive environments.

Detailed Application Field Plans

The MC33981ABHFK is primarily designed for use in automotive applications where precise motor control is required. Some of its common application fields include:

1. Electric power steering systems
2. HVAC blowers and fans
3. Seat adjustment mechanisms
4. Window lift and wiper control
5. Mirror positioning systems
6. Sunroof control
7. Headlight leveling systems
8. Fuel pump control

Detailed and Complete Alternative Models

1. MC33981ABHFN
2. MC33982ABHFK
3. MC33982ABHFN
4. MC33983ABHFK
5. MC33983ABHFN
6. MC33984ABHFK
7. MC33984ABHFN
8. MC33985ABHFK
9. MC33985ABHFN

These alternative models offer similar functionality and features to the MC33981ABHFK, providing flexibility in motor driver selection.

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