MCZ33972AEKR2

Product Overview

• Category: Integrated Circuit
• Use: Automotive System Control
• Characteristics: High-performance, Multi-purpose
• Package: 32-pin QFN (Quad Flat No-Lead)
• Essence: Versatile automotive system control IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 5.0V to 18.0V
• Operating Temperature: -40°C to +125°C
• Number of Inputs: 8
• Number of Outputs: 6
• Communication Interface: SPI (Serial Peripheral Interface)
• Protection Features: Overcurrent, Overvoltage, Undervoltage, Overtemperature

Detailed Pin Configuration

1. VBAT: Battery Supply Voltage
2. GND: Ground
3. IN1: Input 1
4. IN2: Input 2
5. IN3: Input 3
6. IN4: Input 4
7. IN5: Input 5
8. IN6: Input 6
9. IN7: Input 7
10. IN8: Input 8
11. OUT1: Output 1
12. OUT2: Output 2
13. OUT3: Output 3
14. OUT4: Output 4
15. OUT5: Output 5
16. OUT6: Output 6
17. CS: Chip Select
18. SCLK: Serial Clock
19. MOSI: Master Out Slave In
20. MISO: Master In Slave Out
21. IRQ: Interrupt Request
22. WAKE: Wake-Up
23. RESET: Reset
24. VDD: Logic Supply Voltage
25. VREG: Voltage Regulator Output
26. VDDA: Analog Supply Voltage
27. VSSA: Analog Ground
28. VREFH: High Reference Voltage
29. VREFL: Low Reference Voltage
30. VSS: Ground
31. NC: No Connection
32. NC: No Connection

Functional Features

• Integrated high-side and low-side drivers
• SPI interface for communication with microcontrollers
• Overcurrent protection for each output
• Fault detection and reporting
• Wake-up and reset functions
• Low power consumption in standby mode

Advantages

• Versatile control of automotive systems
• High-performance integrated drivers
• Comprehensive protection features
• Efficient communication interface
• Compact package size for space-constrained applications

Disadvantages

• Limited number of inputs and outputs
• Requires external voltage regulators for different supply voltages
• Relatively high cost compared to simpler control ICs

Working Principles

The MCZ33972AEKR2 is designed to provide control and monitoring capabilities for various automotive systems. It integrates high-side and low-side drivers, allowing it to drive loads such as motors, solenoids, and relays. The IC communicates with a microcontroller through the SPI interface, enabling precise control and monitoring of the connected devices.

The device incorporates protection features like overcurrent, overvoltage, undervoltage, and overtemperature detection. These safeguards ensure the safe operation of the controlled systems and prevent damage due to abnormal conditions.

In standby mode, the IC consumes minimal power, making it suitable for applications where energy efficiency is crucial. It also supports wake-up and reset functions, allowing the system to enter low-power states and resume operation when necessary.

Detailed Application Field Plans

The MCZ33972AEKR2 finds application in various automotive systems, including:

1. Powertrain Control: Controlling fuel injectors, ignition coils, and variable valve timing systems.
2. Body Control: Operating power windows, door locks, mirrors, and seat adjustments.
3. Lighting Control: Driving headlights, taillights, turn signals, and interior lighting.
4. Climate Control: Regulating HVAC systems, fan motors, and temperature sensors.
5. Safety Systems: Activating airbags, seatbelt pretensioners, and anti-lock braking systems.

Detailed and Complete Alternative Models

1. MCZ33970AEKR2: Similar functionality with fewer inputs and outputs.
2. MCZ33975AEKR2: Enhanced protection features with additional diagnostic capabilities.
3. MCZ33980AEKR2: Higher current handling capacity for heavy-duty applications.

(Note: The above alternative models are from the same product family and offer similar features but may have slight variations in specifications.)

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