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UCC3921NG4
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UCC3921NG4

Introduction

The UCC3921NG4 is a versatile integrated circuit (IC) that belongs to the category of power management and supervisory devices. This device is widely used in various electronic applications due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Power Management and Supervisory IC
  • Use: Voltage Monitoring and Sequencing
  • Characteristics: High Accuracy, Low Power Consumption, Wide Operating Voltage Range
  • Package: 16-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Ensures Reliable Power Supply Management
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Operating Temperature Range: -40°C to 125°C
  • Output Type: Open Drain
  • Output Voltage: Adjustable
  • Quiescent Current: 25µA

Detailed Pin Configuration

  1. VDD: Power Supply Input
  2. GND: Ground
  3. RESET: Reset Output
  4. MR: Manual Reset Input
  5. OV: Overvoltage Threshold
  6. UV: Undervoltage Threshold
  7. OV/UV: Overvoltage/Undervoltage Comparator Input
  8. OV/UV: Overvoltage/Undervoltage Comparator Input
  9. OV/UV: Overvoltage/Undervoltage Comparator Input
  10. OV/UV: Overvoltage/Undervoltage Comparator Input
  11. OV/UV: Overvoltage/Undervoltage Comparator Input
  12. OV/UV: Overvoltage/Undervoltage Comparator Input
  13. OV/UV: Overvoltage/Undervoltage Comparator Input
  14. OV/UV: Overvoltage/Undervoltage Comparator Input
  15. OV/UV: Overvoltage/Undervoltage Comparator Input
  16. OV/UV: Overvoltage/Undervoltage Comparator Input

Functional Features

  • Voltage Monitoring: Monitors input voltage for overvoltage and undervoltage conditions
  • Sequencing Control: Provides sequencing control for power supply rails
  • Manual Reset: Allows manual reset of the system
  • Adjustable Output: Output voltage can be adjusted as per application requirements

Advantages and Disadvantages

Advantages

  • High accuracy in voltage monitoring
  • Low quiescent current for power efficiency
  • Wide operating voltage range for versatility

Disadvantages

  • Limited output drive capability
  • External components required for certain functionalities

Working Principles

The UCC3921NG4 operates by continuously monitoring the input voltage and comparing it with the preset overvoltage and undervoltage thresholds. It provides a reliable reset signal to the system when necessary and allows for flexible sequencing control of multiple power supply rails.

Detailed Application Field Plans

The UCC3921NG4 finds extensive applications in various fields including: - Industrial Automation - Automotive Electronics - Consumer Electronics - Telecommunications - Renewable Energy Systems

Detailed and Complete Alternative Models

Some alternative models to UCC3921NG4 include: - TPS3808G01 - MAX823 - ADM708

In conclusion, the UCC3921NG4 is a highly efficient and reliable power management IC with a wide range of applications and versatile features.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng UCC3921NG4 sa mga teknikal na solusyon

  1. What is UCC3921NG4?

    • UCC3921NG4 is a high-performance, single-phase power factor correction (PFC) controller designed for applications requiring compliance with IEC61000-3-2 harmonic requirements.

  2. What are the key features of UCC3921NG4?

    • The key features of UCC3921NG4 include high power factor, low total harmonic distortion, wide input voltage range, and overvoltage protection.

  3. What technical solutions can benefit from using UCC3921NG4?

    • Technical solutions such as LED lighting, motor drives, and industrial power supplies can benefit from using UCC3921NG4 for improved power factor correction and compliance with harmonic requirements.

  4. How does UCC3921NG4 improve power factor correction?

    • UCC3921NG4 uses advanced control algorithms to regulate the input current, resulting in improved power factor and reduced harmonic distortion.

  5. What is the typical application circuit for UCC3921NG4?

    • The typical application circuit includes the connection of UCC3921NG4 to the boost converter, input voltage source, and output load.

  6. What are the design considerations when using UCC3921NG4?

    • Design considerations include component selection, loop stability, input voltage range, and thermal management to ensure optimal performance.

  7. Does UCC3921NG4 have built-in protection features?

    • Yes, UCC3921NG4 includes overvoltage protection, overcurrent protection, and thermal shutdown to safeguard the system during fault conditions.

  8. What are the advantages of using UCC3921NG4 in power supply designs?

    • The advantages include improved efficiency, compliance with regulatory standards, and reduced stress on input power sources.

  9. Can UCC3921NG4 be used in automotive applications?

    • Yes, UCC3921NG4 is suitable for automotive applications requiring power factor correction and harmonic compliance.

  10. Where can I find detailed technical information about UCC3921NG4?

    • Detailed technical information, including datasheets, application notes, and design resources, can be found on the manufacturer's website or through authorized distributors.