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UCC2813PWTR-4
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UCC2813PWTR-4

Product Overview

Category

UCC2813PWTR-4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size

Package

UCC2813PWTR-4 is available in a small outline package (SOP) with a thermal pad.

Essence

The essence of UCC2813PWTR-4 lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input voltage range: 2.7V to 18V
  • Output voltage range: 0.8V to 16V
  • Operating temperature range: -40°C to 85°C
  • Maximum output current: 500mA
  • Switching frequency: 100kHz to 1MHz

Detailed Pin Configuration

UCC2813PWTR-4 has the following pin configuration:

  1. VREF: Reference voltage input
  2. COMP: Error amplifier output
  3. FB: Feedback voltage input
  4. CS: Current sense input
  5. GND: Ground
  6. RT/CT: Timing resistor/capacitor connection
  7. OUT: Output voltage
  8. VIN: Input voltage

Functional Features

  • Voltage regulation
  • Current sensing
  • Error amplification
  • Overcurrent protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Compact size for space-constrained applications
  • Wide input and output voltage range
  • Built-in protection features

Disadvantages

  • Limited maximum output current
  • Requires external timing resistor and capacitor

Working Principles

UCC2813PWTR-4 operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching signal. The error amplifier compares the feedback voltage with the reference voltage to determine the necessary adjustments. Current sensing ensures proper current flow, while built-in protection features prevent damage from overcurrent or excessive temperature.

Detailed Application Field Plans

UCC2813PWTR-4 finds applications in various fields, including:

  1. Power supplies for consumer electronics
  2. Battery charging circuits
  3. LED lighting systems
  4. Motor control circuits
  5. Industrial automation equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to UCC2813PWTR-4 are:

  1. LM2576-ADJ
  2. LT1073-12
  3. TPS5430-Q1
  4. MAX668
  5. MC34063A

These models offer similar power management functionality and can be used as substitutes depending on specific requirements.

In conclusion, UCC2813PWTR-4 is an integrated circuit designed for efficient power management in various electronic devices. With its compact size, wide input/output voltage range, and built-in protection features, it offers advantages in terms of high efficiency and space-saving design. However, it has limitations in terms of maximum output current and the need for external timing components. Its working principle is based on PWM control, ensuring accurate voltage regulation and current sensing. It finds applications in power supplies, battery chargers, LED lighting, motor control, and industrial automation. Alternative models such as LM2576-ADJ, LT1073-12, TPS5430-Q1, MAX668, and MC34063A can also be considered depending on specific requirements.

Énumérez 10 questions et réponses courantes liées à l'application de UCC2813PWTR-4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of UCC2813PWTR-4 in technical solutions:

  1. Q: What is UCC2813PWTR-4? A: UCC2813PWTR-4 is a pulse width modulation (PWM) controller IC used for controlling power supply circuits.

  2. Q: What are the key features of UCC2813PWTR-4? A: Some key features include adjustable frequency, soft-start capability, cycle-by-cycle current limiting, and undervoltage lockout.

  3. Q: How does UCC2813PWTR-4 help in power supply applications? A: UCC2813PWTR-4 provides precise control over the switching frequency and duty cycle of power supply circuits, ensuring stable and efficient power delivery.

  4. Q: Can UCC2813PWTR-4 be used in both AC and DC power supply designs? A: Yes, UCC2813PWTR-4 can be used in both AC and DC power supply designs, making it versatile for various applications.

  5. Q: What is the maximum operating voltage range of UCC2813PWTR-4? A: The maximum operating voltage range of UCC2813PWTR-4 is typically between 8V and 35V.

  6. Q: Does UCC2813PWTR-4 have built-in protection features? A: Yes, UCC2813PWTR-4 has built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can UCC2813PWTR-4 be used in high-power applications? A: Yes, UCC2813PWTR-4 can be used in high-power applications by using external power devices such as MOSFETs or IGBTs.

  8. Q: What is the typical efficiency of power supply circuits using UCC2813PWTR-4? A: The efficiency of power supply circuits using UCC2813PWTR-4 can vary depending on the design, but it can typically achieve high efficiencies above 90%.

  9. Q: Are there any specific application notes or reference designs available for UCC2813PWTR-4? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing UCC2813PWTR-4 in various technical solutions.

  10. Q: Where can I purchase UCC2813PWTR-4? A: UCC2813PWTR-4 can be purchased from authorized distributors or online electronic component stores.