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L9952GXP
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L9952GXP

Product Overview

  • Category: Integrated Circuit
  • Use: Automotive Electronics
  • Characteristics: High-performance, low-power, multi-functionality
  • Package: SOP-36
  • Essence: Integrated System Basis Chip (SBC)
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Operating Voltage: 5V to 27V
  • Operating Temperature Range: -40°C to +150°C
  • Current Consumption: 10mA (typical)
  • Number of Pins: 36
  • Interface: SPI (Serial Peripheral Interface)
  • Protection Features: Overvoltage, Undervoltage, Overtemperature, Short-circuit, Reverse Polarity

Detailed Pin Configuration

The L9952GXP has a total of 36 pins. The pin configuration is as follows:

  1. VBAT
  2. GND
  3. CANH
  4. CANL
  5. WAKEUP
  6. STB
  7. EN
  8. LIN
  9. K1
  10. K2
  11. K3
  12. K4
  13. K5
  14. K6
  15. K7
  16. K8
  17. K9
  18. K10
  19. K11
  20. K12
  21. K13
  22. K14
  23. K15
  24. K16
  25. K17
  26. K18
  27. K19
  28. K20
  29. K21
  30. K22
  31. K23
  32. K24
  33. K25
  34. K26
  35. K27
  36. K28

Functional Features

  • Integrated power supply for microcontroller and peripheral devices
  • High-speed CAN transceiver with bus wake-up capability
  • LIN transceiver for local interconnect network communication
  • Multiple general-purpose input/output (GPIO) pins for various applications
  • Overvoltage, undervoltage, and overtemperature protection features
  • Short-circuit and reverse polarity protection

Advantages and Disadvantages

Advantages: - Integrated solution reduces component count and board space - Wide operating voltage range allows flexibility in automotive applications - Comprehensive protection features enhance system reliability - High-speed communication interfaces enable efficient data transfer - Low power consumption contributes to energy efficiency

Disadvantages: - Limited number of GPIO pins may restrict certain application requirements - Relatively high cost compared to individual components

Working Principles

The L9952GXP is designed as a System Basis Chip (SBC) for automotive electronics. It provides an integrated solution for powering microcontrollers and peripheral devices while offering various communication interfaces. The chip incorporates a high-speed CAN transceiver, LIN transceiver, and multiple GPIO pins. It also includes protection features such as overvoltage, undervoltage, overtemperature, short-circuit, and reverse polarity protection.

Detailed Application Field Plans

The L9952GXP finds extensive use in automotive applications, including but not limited to:

  1. Body Control Modules (BCM)
  2. Door Control Units (DCU)
  3. Lighting Control Modules (LCM)
  4. Seat Control Units (SCU)
  5. HVAC Control Units (HCU)
  6. Powertrain Control Modules (PCM)
  7. Battery Management Systems (BMS)
  8. Electric Vehicle (EV) Charging Systems

Detailed and Complete Alternative Models

  1. L9952GXR: Similar to L9952GXP, but with different package (QFP-44)
  2. L9952GXT: Similar to L9952GXP, but with extended temperature range (-40°C to +170°C)
  3. L9952GXN: Similar to L9952GXP, but with additional features for noise suppression

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L9952GXP v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L9952GXP in technical solutions:

  1. Q: What is L9952GXP? A: L9952GXP is a highly integrated automotive power management and control IC designed for use in various automotive applications.

  2. Q: What are the key features of L9952GXP? A: The key features of L9952GXP include multiple voltage regulators, high-side and low-side drivers, LIN transceiver, watchdog timer, and diagnostic functions.

  3. Q: What are the typical applications of L9952GXP? A: L9952GXP is commonly used in automotive systems such as body control modules, lighting control units, HVAC systems, and motor control applications.

  4. Q: How many voltage regulators are available in L9952GXP? A: L9952GXP provides four integrated voltage regulators with different output voltages, allowing efficient power supply for various components in the system.

  5. Q: Can L9952GXP drive both high-side and low-side loads? A: Yes, L9952GXP has built-in high-side and low-side drivers, enabling it to control both types of loads such as motors, relays, and solenoids.

  6. Q: Does L9952GXP support LIN communication? A: Yes, L9952GXP includes an integrated LIN transceiver, making it suitable for applications that require communication over the LIN bus.

  7. Q: What diagnostic functions does L9952GXP offer? A: L9952GXP provides comprehensive diagnostic features like open-load detection, short-circuit detection, and over-temperature protection to ensure system reliability.

  8. Q: Is L9952GXP compatible with other automotive microcontrollers? A: Yes, L9952GXP can be easily interfaced with various microcontrollers through its SPI or LIN interfaces, making it compatible with different system architectures.

  9. Q: Can L9952GXP operate in harsh automotive environments? A: Yes, L9952GXP is designed to meet the stringent requirements of automotive applications, including extended temperature range and high electromagnetic compatibility (EMC).

  10. Q: Are evaluation boards available for L9952GXP? A: Yes, manufacturers provide evaluation boards and development kits that help engineers quickly prototype and evaluate the performance of L9952GXP in their specific applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of each application.