MC33889BPEGR2

Product Overview

Category: Integrated Circuit (IC)

Use: The MC33889BPEGR2 is a versatile integrated circuit designed for automotive applications. It serves as a motor driver and actuator interface, providing control and protection features for various automotive systems.

Characteristics: - High voltage capability - Robust protection features - Low power consumption - Compact package size - Wide operating temperature range

Package: The MC33889BPEGR2 is available in a small-sized 32-pin exposed pad TQFP package, which ensures efficient heat dissipation and ease of integration into automotive electronic systems.

Essence: This IC is essential for controlling and driving motors and actuators in automotive applications, ensuring reliable and efficient operation of various systems.

Packaging/Quantity: The MC33889BPEGR2 is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 5.5V to 28V
• Output Current: Up to 5A per channel
• Number of Channels: 8
• Operating Temperature Range: -40°C to +125°C
• Communication Interface: SPI (Serial Peripheral Interface)
• Fault Detection and Protection Features: Overcurrent, overtemperature, undervoltage, and short-circuit protection

Detailed Pin Configuration

The MC33889BPEGR2 has a total of 32 pins, each serving a specific function. Here is a brief overview of the pin configuration:

• Pins 1-8: Motor Output Channels 1-8
• Pins 9-16: Ground (GND)
• Pins 17-24: Motor Power Supply (VM)
• Pins 25-26: Serial Data Input (SDI) and Serial Data Output (SDO)
• Pins 27-28: Serial Clock Input (SCK) and Chip Select (CS)
• Pins 29-32: Power Supply (VDD)

For a more detailed pin configuration diagram, please refer to the datasheet of the MC33889BPEGR2.

Functional Features

The MC33889BPEGR2 offers several functional features that make it suitable for automotive applications:

1. Motor Control: It provides precise control over motors and actuators, allowing for smooth and accurate operation.
2. Protection Mechanisms: The IC incorporates various protection features such as overcurrent, overtemperature, undervoltage, and short-circuit protection, ensuring the safety and longevity of the connected systems.
3. SPI Interface: The Serial Peripheral Interface allows for easy communication and integration with microcontrollers or other control units.
4. High Voltage Capability: With a wide supply voltage range of 5.5V to 28V, the IC can handle high voltage requirements commonly found in automotive systems.
5. Low Power Consumption: The MC33889BPEGR2 is designed to minimize power consumption, contributing to overall energy efficiency.

Advantages and Disadvantages

Advantages: - Robust protection mechanisms ensure system reliability. - Compact package size facilitates space-constrained installations. - Wide operating temperature range enables usage in extreme environments. - High voltage capability supports diverse automotive applications. - Low power consumption contributes to energy efficiency.

Disadvantages: - Limited number of channels may restrict usage in complex systems requiring more than 8 motor outputs. - SPI interface may require additional hardware and software resources for integration.

Working Principles

The MC33889BPEGR2 operates by receiving control signals from a microcontroller or control unit via the SPI interface. These signals are processed internally, and the IC drives the connected motors or actuators accordingly. The integrated protection mechanisms continuously monitor the system parameters and respond to faults by disabling the affected channels or triggering an alarm signal.

Detailed Application Field Plans

The MC33889BPEGR2 finds extensive application in various automotive systems, including but not limited to:

1. Power Windows: It controls the movement of power windows, ensuring smooth and reliable operation.
2. Door Locks: The IC enables secure locking and unlocking of vehicle doors.
3. Seat Adjustments: It facilitates motorized adjustments for seats, providing comfort and convenience to occupants.
4. Sunroof Control: The IC drives the sunroof mechanism, allowing for easy opening and closing.
5. Mirror Positioning: It controls the positioning of mirrors, enhancing visibility for the driver.

Detailed and Complete Alternative Models

1. MC33932PNA: This IC offers similar functionality with a higher number of channels (16) and additional diagnostic features.
2. L6234D: A motor driver IC suitable for automotive applications, featuring integrated power bridges and protection mechanisms.
3. DRV8876: This IC provides advanced motor control capabilities with integrated current sensing and fault detection features.