Renesas Electronics America Inc.
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ISL78424AVEZ-T7A

ISL78424AVEZ-T7A

Product Overview

Category

ISL78424AVEZ-T7A belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in automotive applications, specifically for power management.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Low quiescent current
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection

Package

ISL78424AVEZ-T7A is available in a small 20-lead HTSSOP package.

Essence

The essence of this product lies in its ability to efficiently manage power in automotive systems, ensuring reliable and safe operation.

Packaging/Quantity

ISL78424AVEZ-T7A is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 0.8V to 5.5V
  • Quiescent Current: 25µA
  • Operating Temperature Range: -40°C to +125°C
  • Switching Frequency: 2MHz

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SS/TRK: Soft-start/Tracking pin
  6. PGND: Power ground pin
  7. VCC: Supply voltage pin
  8. LX: Switching node pin
  9. BST: Bootstrap capacitor pin
  10. COMP: Compensation pin
  11. SS/TRK: Soft-start/Tracking pin
  12. PGND: Power ground pin
  13. VCC: Supply voltage pin
  14. LX: Switching node pin
  15. BST: Bootstrap capacitor pin
  16. COMP: Compensation pin
  17. PGND: Power ground pin
  18. VCC: Supply voltage pin
  19. LX: Switching node pin
  20. BST: Bootstrap capacitor pin

Functional Features

  • Wide input voltage range allows for compatibility with various automotive systems.
  • High efficiency ensures minimal power loss and maximizes battery life.
  • Overvoltage and overcurrent protection safeguards the system from potential damage.
  • Thermal shutdown protection prevents overheating and ensures safe operation.

Advantages and Disadvantages

Advantages

  • High efficiency leads to improved energy utilization.
  • Wide input voltage range provides flexibility in application.
  • Comprehensive protection features enhance system reliability.

Disadvantages

  • Limited output voltage range may not be suitable for all applications.
  • Higher cost compared to some alternative models.

Working Principles

ISL78424AVEZ-T7A operates as a buck regulator, converting the input voltage to a lower, regulated output voltage. It utilizes pulse width modulation (PWM) techniques to control the switching of the internal power MOSFETs. The feedback loop continuously monitors the output voltage and adjusts the duty cycle to maintain the desired voltage level.

Detailed Application Field Plans

ISL78424AVEZ-T7A is widely used in automotive applications, including:

  1. Electric power steering systems
  2. Infotainment systems
  3. Lighting systems
  4. Engine control units
  5. Advanced driver-assistance systems (ADAS)

Detailed and Complete Alternative Models

  1. ISL78228AVEZ-T7A
  2. ISL78230AVEZ-T7A
  3. ISL78236AVEZ-T7A
  4. ISL78240AVEZ-T7A
  5. ISL78248AVEZ-T7A

These alternative models offer similar functionality and can be considered as substitutes for ISL78424AVEZ-T7A in specific applications.

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기술 솔루션에 ISL78424AVEZ-T7A 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of ISL78424AVEZ-T7A in technical solutions:

  1. Q: What is ISL78424AVEZ-T7A? A: ISL78424AVEZ-T7A is a high-performance, quad-output power supply controller designed for automotive applications.

  2. Q: What are the key features of ISL78424AVEZ-T7A? A: Some key features include wide input voltage range, adjustable output voltage, integrated protection features, and low quiescent current.

  3. Q: What is the typical application of ISL78424AVEZ-T7A? A: ISL78424AVEZ-T7A is commonly used in automotive systems such as infotainment systems, advanced driver assistance systems (ADAS), and lighting control modules.

  4. Q: How many outputs does ISL78424AVEZ-T7A have? A: ISL78424AVEZ-T7A has four independent outputs, making it suitable for powering multiple components in a system.

  5. Q: Can ISL78424AVEZ-T7A operate in harsh automotive environments? A: Yes, ISL78424AVEZ-T7A is designed to operate in harsh automotive environments, with a wide temperature range and robust protection features.

  6. Q: Is ISL78424AVEZ-T7A compatible with different input voltages? A: Yes, ISL78424AVEZ-T7A supports a wide input voltage range, typically from 3V to 40V, making it versatile for various automotive applications.

  7. Q: Can I adjust the output voltage of ISL78424AVEZ-T7A? A: Yes, ISL78424AVEZ-T7A allows for adjustable output voltage through external resistors, providing flexibility in meeting specific system requirements.

  8. Q: What protection features does ISL78424AVEZ-T7A offer? A: ISL78424AVEZ-T7A includes protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown to ensure safe operation.

  9. Q: Does ISL78424AVEZ-T7A have low power consumption? A: Yes, ISL78424AVEZ-T7A has a low quiescent current, which helps minimize power consumption and increase overall system efficiency.

  10. Q: Is ISL78424AVEZ-T7A RoHS compliant? A: Yes, ISL78424AVEZ-T7A is RoHS compliant, ensuring it meets the environmental standards set by the Restriction of Hazardous Substances directive.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with technical experts for detailed information.