MCZ33903DD3EKR2

Product Overview

• Category: Integrated Circuit
• Use: Automotive System
• Characteristics: High-performance, Low-power consumption
• Package: 32-pin QFN
• Essence: Control and protection of automotive systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 5V to 18V
• Operating Temperature: -40°C to +125°C
• Number of Channels: 6
• Output Current: 1.5A per channel
• Protection Features: Overcurrent, Overvoltage, Undervoltage, Thermal Shutdown

Detailed Pin Configuration

The MCZ33903DD3EKR2 has a total of 32 pins. The pin configuration is as follows:

1. VBAT
2. GND
3. IN1
4. IN2
5. IN3
6. IN4
7. IN5
8. IN6
9. OUT1
10. OUT2
11. OUT3
12. OUT4
13. OUT5
14. OUT6
15. EN1
16. EN2
17. EN3
18. EN4
19. EN5
20. EN6
21. FLT1
22. FLT2
23. FLT3
24. FLT4
25. FLT5
26. FLT6
27. VCC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Control and protection of automotive systems
• Six independent channels for driving loads
• Overcurrent protection with fault detection
• Overvoltage and undervoltage protection
• Thermal shutdown protection
• Enable inputs for each channel
• Fault status outputs for each channel

Advantages and Disadvantages

Advantages

• High-performance integrated circuit
• Low-power consumption
• Robust protection features
• Flexible enable inputs for individual channel control
• Compact 32-pin package

Disadvantages

• Limited number of channels (6)
• Requires external power supply (5V to 18V)

Working Principles

The MCZ33903DD3EKR2 is designed to control and protect automotive systems. It operates by receiving input signals from a microcontroller or other control unit and driving loads such as motors, solenoids, or relays. The integrated circuit provides six independent channels, each capable of delivering up to 1.5A of current.

The device incorporates various protection features, including overcurrent, overvoltage, undervoltage, and thermal shutdown. These safeguards ensure the safe operation of the connected loads and prevent damage to the circuitry.

The enable inputs allow individual channel control, enabling selective activation or deactivation of specific loads. The fault status outputs provide feedback on the status of each channel, indicating any detected faults or abnormal conditions.

Detailed Application Field Plans

The MCZ33903DD3EKR2 is widely used in automotive applications that require control and protection of various systems. Some common application fields include:

1. Automotive lighting systems
2. Power window control
3. Seat adjustment mechanisms
4. HVAC system control
5. Electric mirror control
6. Door lock and unlock mechanisms
7. Sunroof control
8. Wiper control
9. Fuel pump control
10. Engine cooling fan control

Detailed and Complete Alternative Models

1. MC33903EK: Similar functionality with different pin configuration
2. MC33904EK: Higher channel count (8 channels) with similar features
3. MC33905EK: Enhanced protection features with 4 channels
4. MC33906EK: Higher current capability (2A per channel) with 6 channels
5. MC33907EK: Increased operating voltage range (up to 36V) with 6 channels

These alternative models offer similar functionality and can be considered based on specific application requirements.

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