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L9958

L9958

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Automotive Electronics
  • Characteristics: High-performance, robust, and reliable
  • Package: Integrated Circuit Package (ICP)
  • Essence: Control and monitoring of automotive systems
  • Packaging/Quantity: Varies depending on manufacturer

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Operating Temperature Range: -40°C to +150°C
  • Current Consumption: 10mA (typical)
  • Number of Pins: 32
  • Communication Interface: SPI (Serial Peripheral Interface)
  • Protection Features: Overvoltage, overcurrent, and thermal protection

Detailed Pin Configuration

  1. VBAT: Battery voltage supply
  2. GND: Ground reference
  3. IN1: Input channel 1
  4. IN2: Input channel 2
  5. IN3: Input channel 3
  6. IN4: Input channel 4
  7. OUT1: Output channel 1
  8. OUT2: Output channel 2
  9. OUT3: Output channel 3
  10. OUT4: Output channel 4
  11. SCLK: Serial clock for SPI communication
  12. CS: Chip select for SPI communication
  13. SDI: Serial data input for SPI communication
  14. SDO: Serial data output for SPI communication
  15. FAULT: Fault indication output
  16. REF: Reference voltage output
  17. DIAG: Diagnostic output
  18. EN: Enable input
  19. PWM1: Pulse width modulation input/output 1
  20. PWM2: Pulse width modulation input/output 2
  21. PWM3: Pulse width modulation input/output 3
  22. PWM4: Pulse width modulation input/output 4
  23. VCC: Logic supply voltage
  24. NC: Not connected
  25. NC: Not connected
  26. NC: Not connected
  27. NC: Not connected
  28. NC: Not connected
  29. NC: Not connected
  30. NC: Not connected
  31. NC: Not connected
  32. NC: Not connected

Functional Features

  • Control and monitoring of automotive systems
  • High-performance analog and digital signal processing
  • Fault detection and diagnostic capabilities
  • Overvoltage, overcurrent, and thermal protection
  • Flexible pulse width modulation (PWM) control

Advantages and Disadvantages

Advantages

  • High-performance and reliable operation
  • Robust protection features for enhanced safety
  • Diagnostic capabilities for easy troubleshooting
  • Flexible PWM control for precise system control
  • Wide input voltage range for compatibility with various automotive systems

Disadvantages

  • Limited pin count may restrict the number of inputs/outputs in complex applications
  • Higher cost compared to simpler automotive control ICs

Working Principles

The L9958 is an integrated circuit designed for control and monitoring of automotive systems. It operates by receiving input signals from sensors or other control modules, processing them using high-performance analog and digital signal processing techniques, and generating output signals to drive actuators or provide feedback.

The IC incorporates various protection features such as overvoltage, overcurrent, and thermal protection to ensure safe and reliable operation in harsh automotive environments. It also provides diagnostic outputs to facilitate fault detection and troubleshooting.

The flexible pulse width modulation (PWM) control allows precise control of output signals, enabling efficient and accurate system operation. The wide input voltage range ensures compatibility with a wide range of automotive systems.

Detailed Application Field Plans

The L9958 is widely used in automotive applications that require control and monitoring of various systems. Some common application fields include:

  1. Engine Management Systems: The IC can be used to control fuel injection, ignition timing, and other engine parameters for optimal performance and fuel efficiency.

  2. Powertrain Systems: It can be employed in transmission control units, enabling precise shifting and smooth operation of the transmission.

  3. Body Control Modules: The IC can control various functions related to the vehicle's body, such as lighting, power windows, and central locking systems.

  4. Safety Systems: It can be utilized in anti-lock braking systems (ABS), electronic stability control (ESC), and airbag control modules to ensure safe operation during critical situations.

  5. Climate Control Systems: The IC can regulate temperature, fan speed, and airflow in automotive HVAC (Heating, Ventilation, and Air Conditioning) systems.

Detailed and Complete Alternative Models

  1. L9958S: Similar to L9958 with additional diagnostic features
  2. L9958R: Reduced pin count version of L9958 for space-constrained applications
  3. L9958X: Extended temperature range variant of L9958 for extreme environments

These alternative models offer similar functionality to the L9958 but may have specific features or specifications tailored for different application requirements.

In conclusion, the L9958 is a

技術ソリューションにおける L9958 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of L9958 in technical solutions:

  1. Q: What is L9958? A: L9958 is a high-voltage, quad half-bridge driver IC designed for automotive applications.

  2. Q: What is the maximum voltage that L9958 can handle? A: L9958 can handle a maximum voltage of up to 60V.

  3. Q: What is the purpose of L9958 in technical solutions? A: L9958 is used to drive various loads such as DC motors, solenoids, and other inductive loads in automotive systems.

  4. Q: Can L9958 be used in both low-side and high-side configurations? A: Yes, L9958 can be used in both low-side and high-side configurations, making it versatile for different applications.

  5. Q: Does L9958 have built-in protection features? A: Yes, L9958 has built-in protection features like overcurrent protection, thermal shutdown, and undervoltage lockout.

  6. Q: What is the maximum current that L9958 can handle per channel? A: L9958 can handle a maximum current of up to 1.5A per channel.

  7. Q: Can L9958 operate in harsh automotive environments? A: Yes, L9958 is designed to operate in harsh automotive environments with a wide temperature range and high reliability.

  8. Q: Is L9958 compatible with microcontrollers and other control devices? A: Yes, L9958 is compatible with various control devices and can be easily integrated into existing control systems.

  9. Q: Can L9958 be used in battery-powered applications? A: Yes, L9958 can be used in battery-powered applications as it has low quiescent current and supports sleep mode for power-saving.

  10. Q: Are there any evaluation boards or reference designs available for L9958? A: Yes, STMicroelectronics provides evaluation boards and reference designs to help developers quickly prototype and implement L9958 in their applications.

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