Texas Instruments
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UCC2813PWTR-2
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UCC2813PWTR-2

Product Overview

Category

UCC2813PWTR-2 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-2 is available in a small outline package (SOP) with a thermal pad for efficient heat dissipation.

Essence

The essence of UCC2813PWTR-2 lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

  • Input Voltage Range: 4.5V to 16V
  • Output Voltage Range: 0.8V to 12V
  • Maximum Output Current: 500mA
  • Switching Frequency: 100kHz to 1MHz
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The UCC2813PWTR-2 has the following pin configuration:

  1. VREF: Reference voltage input
  2. COMP: Error amplifier output
  3. FB: Feedback voltage input
  4. GND: Ground
  5. CS: Current sense input
  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

  • High efficiency power management
  • Wide input voltage range
  • Compact size
  • Robust protection features
  • Suitable for various applications

Disadvantages

  • Limited maximum output current
  • Requires external timing components
  • Relatively high cost compared to some alternatives

Working Principles

UCC2813PWTR-2 operates by regulating the input voltage and providing a stable output voltage. It utilizes feedback control to continuously monitor and adjust the output voltage based on the reference voltage and error amplifier output. The current sense input allows for accurate current monitoring, enabling overcurrent protection. In case of excessive temperature, the thermal shutdown feature ensures safe operation.

Detailed Application Field Plans

UCC2813PWTR-2 finds applications in various fields, including:

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

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to UCC2813PWTR-2 are:

  1. LM2576-ADJ: Adjustable voltage regulator with similar specifications
  2. LT1170: High efficiency step-down switching regulator
  3. TPS5430: Synchronous buck converter with integrated MOSFETs

These alternative models offer similar functionality and can be suitable replacements depending on specific requirements.

In conclusion, UCC2813PWTR-2 is an integrated circuit used for power management applications. Its compact size, high efficiency, and robust protection features make it suitable for various electronic devices. However, it has limitations in terms of maximum output current and requires external timing components. It operates by regulating the input voltage and providing a stable output voltage through feedback control. This product finds applications in consumer electronics, battery charging circuits, LED lighting systems, industrial automation equipment, and automotive electronics. Alternative models such as LM2576-ADJ, LT1170, and TPS5430 can be considered as substitutes for UCC2813PWTR-2.

Énumérez 10 questions et réponses courantes liées à l'application de UCC2813PWTR-2 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of UCC2813PWTR-2 in technical solutions:

  1. Q: What is UCC2813PWTR-2? A: UCC2813PWTR-2 is a PWM controller IC (integrated circuit) commonly used in power supply applications.

  2. Q: What is the purpose of UCC2813PWTR-2? A: The purpose of UCC2813PWTR-2 is to regulate and control the output voltage of a power supply by adjusting the duty cycle of a PWM signal.

  3. Q: What are the key features of UCC2813PWTR-2? A: Some key features of UCC2813PWTR-2 include adjustable frequency, soft-start capability, overcurrent protection, and undervoltage lockout.

  4. Q: How does UCC2813PWTR-2 achieve voltage regulation? A: UCC2813PWTR-2 achieves voltage regulation by comparing the feedback voltage from the power supply's output with a reference voltage and adjusting the duty cycle accordingly.

  5. Q: Can UCC2813PWTR-2 be used in both AC and DC power supplies? A: Yes, UCC2813PWTR-2 can be used in both AC and DC power supplies as long as the input voltage is within its specified range.

  6. Q: What is the maximum operating frequency of UCC2813PWTR-2? A: The maximum operating frequency of UCC2813PWTR-2 is typically around 500 kHz.

  7. Q: Does UCC2813PWTR-2 have built-in protection features? A: Yes, UCC2813PWTR-2 has built-in protection features such as overcurrent protection and undervoltage lockout to ensure safe operation.

  8. Q: Can UCC2813PWTR-2 be used in high-power applications? A: Yes, UCC2813PWTR-2 can be used in high-power applications by using external power devices such as MOSFETs or IGBTs.

  9. Q: Are there any application notes or reference designs available for UCC2813PWTR-2? A: Yes, the manufacturer of UCC2813PWTR-2 provides application notes and reference designs that can help with the implementation of the IC in various power supply designs.

  10. Q: Where can I purchase UCC2813PWTR-2? A: UCC2813PWTR-2 can be purchased from authorized distributors or online electronic component stores.