STMicroelectronics
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
L99DZ81EP
Se detaljer DataSheets

L99DZ81EP

Product Overview

Category

The L99DZ81EP belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for controlling and managing various functions in automotive applications.

Characteristics

  • The L99DZ81EP is a highly reliable and efficient integrated circuit.
  • It offers advanced features for automotive control systems.
  • This IC is designed to withstand harsh environmental conditions, making it suitable for automotive use.

Package

The L99DZ81EP is available in a compact and durable package, ensuring easy installation and protection against external factors.

Essence

The essence of the L99DZ81EP lies in its ability to provide precise control and management of automotive functions, enhancing overall performance and safety.

Packaging/Quantity

The L99DZ81EP is typically packaged in reels or trays, with each package containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 5V - 18V
  • Operating Temperature Range: -40°C to +125°C
  • Number of Pins: 32
  • Communication Interface: SPI (Serial Peripheral Interface)
  • Output Current: Up to 1A
  • Protection Features: Overvoltage, Overcurrent, and Thermal Protection

Detailed Pin Configuration

The L99DZ81EP has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

  1. VDD: Power supply voltage input
  2. GND: Ground connection
  3. RESET: Reset pin for device initialization
  4. IN1: Input pin 1
  5. IN2: Input pin 2
  6. OUT1: Output pin 1
  7. OUT2: Output pin 2
  8. SDA: Serial data input/output pin
  9. SCL: Serial clock input pin
  10. CS: Chip select input pin
  11. DIAG1: Diagnostic output pin 1
  12. DIAG2: Diagnostic output pin 2
  13. REF: Reference voltage input
  14. VBAT: Battery voltage input
  15. PWM: Pulse width modulation input
  16. FAULT: Fault detection output
  17. EN: Enable pin for device activation 18-32. Reserved pins

Functional Features

The L99DZ81EP offers the following functional features:

  1. Precise control and management of automotive functions.
  2. SPI communication interface for easy integration with microcontrollers.
  3. Overvoltage, overcurrent, and thermal protection for enhanced safety.
  4. Diagnostic outputs for fault detection and troubleshooting.
  5. Enable pin for device activation and deactivation.

Advantages and Disadvantages

Advantages

  • High reliability and durability.
  • Advanced features for automotive control systems.
  • Protection against overvoltage, overcurrent, and thermal issues.
  • Easy integration with microcontrollers.

Disadvantages

  • Limited availability in certain regions.
  • Relatively higher cost compared to alternative models.

Working Principles

The L99DZ81EP operates based on the principles of integrated circuit technology and automotive control systems. It receives input signals from various sensors and microcontrollers, processes them using its internal circuitry, and generates corresponding output signals to control different automotive functions.

Detailed Application Field Plans

The L99DZ81EP finds extensive application in the automotive industry, specifically in the following areas:

  1. Engine Control Units (ECUs)
  2. Transmission Control Units (TCUs)
  3. Body Control Modules (BCMs)
  4. Lighting Systems
  5. Powertrain Systems
  6. Safety Systems

Detailed and Complete Alternative Models

  1. L99DZ82EP: Similar to L99DZ81EP with additional features for advanced automotive control applications.
  2. L99DZ83EP: A cost-effective alternative with basic functionality suitable for entry-level automotive control systems.
  3. L99DZ84EP: High-performance alternative with enhanced protection features and extended temperature range.

Note: The above alternative models are provided as examples and may vary based on specific requirements and availability in the market.

In conclusion, the L99DZ81EP is a highly reliable and efficient integrated circuit designed for precise control and management of automotive functions. With its advanced features, protection mechanisms, and easy integration, it serves as a crucial component in various automotive applications.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af L99DZ81EP i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of L99DZ81EP in technical solutions:

  1. Q: What is L99DZ81EP? A: L99DZ81EP is a highly integrated power management and motor control IC designed for automotive applications.

  2. Q: What are the key features of L99DZ81EP? A: The key features of L99DZ81EP include multiple voltage regulators, high-side and low-side drivers, LIN transceiver, watchdog timer, and diagnostic functions.

  3. Q: What is the purpose of L99DZ81EP in technical solutions? A: L99DZ81EP is used to provide power management and motor control capabilities in various automotive systems such as body control modules, lighting systems, and HVAC systems.

  4. Q: Can L99DZ81EP be used for both DC and AC motor control? A: Yes, L99DZ81EP supports both DC and AC motor control applications with its high-side and low-side drivers.

  5. Q: Does L99DZ81EP have built-in protection features? A: Yes, L99DZ81EP includes various protection features like over-temperature protection, over-voltage protection, and short-circuit protection.

  6. Q: Is L99DZ81EP compatible with CAN bus communication? A: No, L99DZ81EP does not have built-in CAN bus communication. However, it can be used in conjunction with external CAN transceivers for CAN bus communication.

  7. Q: What is the operating voltage range of L99DZ81EP? A: L99DZ81EP operates within a voltage range of 5V to 27V, making it suitable for automotive applications.

  8. Q: Can L99DZ81EP be used in harsh automotive environments? A: Yes, L99DZ81EP is designed to withstand harsh automotive environments with its robust construction and high-temperature operation capability.

  9. Q: Does L99DZ81EP support diagnostic functions for fault detection? A: Yes, L99DZ81EP includes diagnostic functions that enable fault detection and reporting, enhancing the reliability of automotive systems.

  10. Q: Are evaluation boards or development kits available for L99DZ81EP? A: Yes, manufacturers often provide evaluation boards and development kits for L99DZ81EP, which can help engineers in prototyping and testing their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of the technical solution.