ATA6824-MFHW

Product Overview

Category: Integrated Circuit (IC)

Use: ATA6824-MFHW is a highly integrated power management IC designed for automotive applications. It provides various functions such as motor control, system monitoring, and communication interfaces.

Characteristics: - High integration: ATA6824-MFHW combines multiple functions into a single chip, reducing the overall system complexity. - Automotive-grade: This IC is specifically designed to meet the stringent requirements of the automotive industry, ensuring reliable performance in harsh environments. - Efficient power management: ATA6824-MFHW optimizes power consumption and enhances energy efficiency in automotive systems. - Communication interfaces: The IC supports various communication protocols, enabling seamless integration with other automotive components. - Robust protection features: ATA6824-MFHW incorporates comprehensive protection mechanisms to safeguard against overvoltage, overcurrent, and thermal issues.

Package: ATA6824-MFHW is available in a compact and robust package, suitable for automotive applications. The package ensures efficient heat dissipation and protects the IC from external environmental factors.

Essence: The essence of ATA6824-MFHW lies in its ability to simplify power management and control tasks in automotive systems, enhancing overall performance and reliability.

Packaging/Quantity: ATA6824-MFHW is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Operating Voltage Range: 5V - 18V
• Maximum Output Current: 1A
• Number of Motor Channels: 4
• Communication Interfaces: SPI, LIN
• Temperature Range: -40°C to +125°C
• Package Type: QFN-32

Detailed Pin Configuration

The ATA6824-MFHW IC has a total of 32 pins, which are assigned to different functions. The pin configuration is as follows:

1. VBAT
2. GND
3. LIN
4. SPI_CS
5. SPI_CLK
6. SPI_MISO
7. SPI_MOSI
8. PWM1
9. PWM2
10. PWM3
11. PWM4
12. DIAG1
13. DIAG2
14. DIAG3
15. DIAG4
16. VDD
17. VDDA
18. VREF
19. RESET
20. WAKEUP
21. INH1
22. INH2
23. INH3
24. INH4
25. OUT1
26. OUT2
27. OUT3
28. OUT4
29. SENSE1
30. SENSE2
31. SENSE3
32. SENSE4

Functional Features

1. Motor Control: ATA6824-MFHW provides four motor channels, allowing precise control of automotive motors such as window lifters, wipers, and seat adjusters.
2. System Monitoring: The IC incorporates various monitoring functions to ensure safe and reliable operation of the automotive system. It can monitor voltage levels, temperature, and current consumption.
3. Communication Interfaces: ATA6824-MFHW supports both SPI and LIN interfaces, enabling seamless communication with other automotive components and control units.
4. Diagnostic Capabilities: The IC offers diagnostic features for each motor channel, providing real-time feedback on motor status and detecting faults or malfunctions.
5. Protection Mechanisms: ATA6824-MFHW includes comprehensive protection mechanisms against overvoltage, overcurrent, and thermal issues, ensuring the safety and longevity of the automotive system.

Advantages and Disadvantages

Advantages: - High integration reduces system complexity. - Automotive-grade design ensures reliability in harsh environments. - Efficient power management enhances energy efficiency. - Comprehensive protection mechanisms safeguard against faults. - Diagnostic capabilities enable real-time monitoring and fault detection.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Restricted temperature range (-40°C to +125°C) may limit usage in extreme environments.

Working Principles

ATA6824-MFHW operates by receiving control signals from the microcontroller or other control units via the communication interfaces (SPI or LIN). These control signals are processed internally, and the IC generates appropriate PWM signals to drive the connected motors. The system monitoring functions continuously monitor critical parameters, ensuring safe operation. In case of any faults or malfunctions, the diagnostic capabilities provide feedback to the control unit for further analysis and action.

Detailed Application Field Plans

ATA6824-MFHW finds extensive application in various automotive systems, including but not limited to: - Electric window lifters - Windshield wipers - Seat adjusters - Sunroof control - HVAC blowers - Mirror adjustment

The IC's versatility and integration make it suitable for a wide range of motor control applications in the automotive industry.

Detailed and