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L9679BTR

L9679BTR

Product Overview

Category: Integrated Circuit (IC)

Use: L9679BTR is a versatile automotive IC that is commonly used in various electronic control units (ECUs) in vehicles. It is specifically designed for motor control applications.

Characteristics: - High-performance motor control - Robust and reliable operation - Compact size - Low power consumption - Wide operating temperature range

Package: L9679BTR is available in a small outline package (SOP) with 16 pins.

Essence: The essence of L9679BTR lies in its ability to provide efficient and precise motor control in automotive applications, ensuring smooth and reliable operation of various vehicle systems.

Packaging/Quantity: L9679BTR is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 5V to 18V
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Output Current: 1.5A
  • Number of Pins: 16
  • Communication Interface: SPI (Serial Peripheral Interface)
  • Protection Features: Overcurrent protection, overtemperature protection, undervoltage lockout

Detailed Pin Configuration

The pin configuration of L9679BTR is as follows:

| Pin No. | Pin Name | Function | |---------|----------|----------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground | | 3 | IN1 | Input 1 for motor control | | 4 | IN2 | Input 2 for motor control | | 5 | OUT1 | Output 1 for motor control | | 6 | OUT2 | Output 2 for motor control | | 7 | CS | Chip select for SPI communication | | 8 | SCK | Serial clock for SPI communication | | 9 | MOSI | Master output, slave input for SPI communication | | 10 | MISO | Master input, slave output for SPI communication | | 11 | EN | Enable pin for motor control | | 12 | FAULT | Fault indication pin | | 13 | VREF | Reference voltage input | | 14 | DIAG | Diagnostic output pin | | 15 | NC | No connection | | 16 | GND | Ground |

Functional Features

  • Motor Control: L9679BTR provides precise and efficient motor control capabilities, allowing for smooth operation of various automotive systems.
  • SPI Communication: The IC supports SPI communication interface, enabling easy integration with microcontrollers and other devices.
  • Protection Features: It incorporates overcurrent protection, overtemperature protection, and undervoltage lockout mechanisms to ensure safe and reliable operation.
  • Diagnostic Output: The diagnostic pin provides feedback on the status of the motor control system, facilitating troubleshooting and maintenance.

Advantages and Disadvantages

Advantages: - High-performance motor control capabilities - Robust and reliable operation in automotive environments - Compact size allows for space-efficient integration - Low power consumption for improved energy efficiency - Wide operating temperature range ensures suitability for various conditions

Disadvantages: - Limited maximum output current (1.5A) - Requires external microcontroller or control circuitry for complete functionality

Working Principles

L9679BTR operates based on the principles of pulse width modulation (PWM) and SPI communication. It receives control signals from a microcontroller through the SPI interface and generates appropriate PWM signals to drive the connected motor. The IC also monitors various parameters such as current and temperature to ensure safe operation.

Detailed Application Field Plans

L9679BTR finds extensive application in the automotive industry, particularly in electronic control units (ECUs) for motor control. Some specific applications include:

  1. Electric Power Steering (EPS) systems
  2. Engine cooling fan control
  3. HVAC blower motor control
  4. Window lift and sunroof control
  5. Seat adjustment systems
  6. Mirror control systems
  7. Headlight leveling systems

Detailed and Complete Alternative Models

  1. L9678BTR: Similar to L9679BTR but with a lower maximum output current of 1A.
  2. L9680BTR: Enhanced version with higher maximum output current of 2A and additional protection features.
  3. L9675BTR: Lower-cost alternative with reduced functionality and lower maximum output current of 500mA.

These alternative models offer varying specifications and features to cater to different motor control requirements and cost considerations.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät L9679BTR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of L9679BTR in technical solutions:

  1. Q: What is L9679BTR? A: L9679BTR is a specific model of integrated circuit (IC) used for automotive applications, particularly in electronic control units (ECUs).

  2. Q: What are the main features of L9679BTR? A: The main features of L9679BTR include high voltage capability, low quiescent current, overvoltage protection, short-circuit protection, and various diagnostic functions.

  3. Q: In which technical solutions can L9679BTR be used? A: L9679BTR can be used in a wide range of technical solutions, including engine management systems, powertrain control modules, body control modules, and other automotive applications that require robust and reliable control electronics.

  4. Q: How does L9679BTR ensure overvoltage protection? A: L9679BTR incorporates built-in overvoltage protection mechanisms such as clamping diodes and voltage regulators to safeguard the connected components from excessive voltage levels.

  5. Q: Can L9679BTR handle high currents? A: Yes, L9679BTR is designed to handle high currents typically encountered in automotive applications, making it suitable for controlling various electrical loads.

  6. Q: Does L9679BTR support communication protocols like CAN or LIN? A: Yes, L9679BTR supports both CAN (Controller Area Network) and LIN (Local Interconnect Network) protocols, enabling seamless integration with other devices in the network.

  7. Q: What diagnostic functions does L9679BTR offer? A: L9679BTR provides diagnostic features such as open-load detection, short-circuit detection, and thermal shutdown protection, which help in identifying and addressing potential issues.

  8. Q: Can L9679BTR operate in harsh automotive environments? A: Yes, L9679BTR is designed to withstand the demanding conditions of automotive environments, including wide temperature ranges, voltage transients, and electromagnetic interference (EMI).

  9. Q: Is L9679BTR compatible with other ICs or microcontrollers? A: Yes, L9679BTR can be easily interfaced with other ICs or microcontrollers through its standard communication interfaces, making it highly compatible with various system architectures.

  10. Q: Where can I find more information about L9679BTR's application in technical solutions? A: You can refer to the datasheet and application notes provided by the manufacturer of L9679BTR for detailed information on its application in technical solutions.