Texas Instruments
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
UCC2802MDREP
Näytä Yksityiskohdat DataSheets

UCC2802MDREP

Product Overview

Category

UCC2802MDREP belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power supply systems, including switch-mode power supplies (SMPS), battery chargers, and LED drivers.

Characteristics

  • UCC2802MDREP is a highly efficient and reliable power management IC.
  • It offers precise control over voltage and current regulation.
  • The IC operates at high frequencies, enabling compact and lightweight designs.
  • It provides protection features such as overvoltage, undervoltage, and overcurrent protection.
  • UCC2802MDREP has low power consumption and can operate in a wide temperature range.

Package

The UCC2802MDREP IC is available in a small outline package (SOP) with 8 pins. This package ensures easy integration into various electronic systems.

Essence

The essence of UCC2802MDREP lies in its ability to efficiently regulate power in different applications, ensuring stable and reliable operation.

Packaging/Quantity

UCC2802MDREP is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

  • Input Voltage Range: 10V - 30V
  • Output Voltage Range: 0V - 15V
  • Maximum Output Current: 2A
  • Operating Temperature Range: -40°C to 85°C
  • Switching Frequency: 100kHz - 1MHz
  • Control Method: Pulse Width Modulation (PWM)
  • Supply Voltage: 5V

Detailed Pin Configuration

The UCC2802MDREP IC has the following pin configuration:

  1. VCC: Power supply input pin.
  2. GND: Ground reference pin.
  3. COMP: Compensation pin for feedback control loop.
  4. CS: Current sense input pin.
  5. RT/CT: Timing resistor/capacitor connection pin for setting switching frequency.
  6. OUT: Output pin for regulated voltage.
  7. FB: Feedback pin for voltage regulation.
  8. EN/UVLO: Enable/Undervoltage lockout pin.

Functional Features

  • Pulse Width Modulation (PWM) control for precise voltage regulation.
  • Soft-start feature to prevent excessive inrush current during startup.
  • Overvoltage protection to safeguard the load from voltage spikes.
  • Undervoltage lockout to ensure proper operation within specified voltage limits.
  • Overcurrent protection to prevent damage due to excessive current flow.
  • Error amplifier for accurate feedback control and stability.

Advantages and Disadvantages

Advantages

  • High efficiency and reliability in power management applications.
  • Compact size and lightweight design.
  • Wide operating temperature range.
  • Comprehensive protection features.
  • Precise voltage and current regulation.

Disadvantages

  • Limited maximum output current of 2A.
  • Requires external timing components for setting switching frequency.
  • Not suitable for high-power applications.

Working Principles

The UCC2802MDREP IC operates based on the principle of pulse width modulation (PWM). It generates a square wave signal with varying duty cycle to control the output voltage. By adjusting the duty cycle, the IC regulates the average voltage delivered to the load. This PWM control method ensures efficient power transfer and accurate voltage regulation.

Detailed Application Field Plans

UCC2802MDREP finds extensive application in various power supply systems, including: 1. Switch-mode power supplies (SMPS) for computers, televisions, and industrial equipment. 2. Battery chargers for portable devices, electric vehicles, and renewable energy systems. 3. LED drivers for lighting applications, such as streetlights, automotive lighting, and display panels.

Detailed and Complete Alternative Models

  1. UCC2802MDREPG4: Similar to UCC2802MDREP with enhanced protection features.
  2. UCC2802QDRQ1: Automotive-grade version of UCC2802MDREP for reliable operation in automotive applications.
  3. UCC2802N: DIP package alternative for through-hole mounting.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements and availability.

Word count: 560 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät UCC2802MDREP :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of UCC2802MDREP in technical solutions:

  1. Q: What is UCC2802MDREP? A: UCC2802MDREP is a specific model of integrated circuit (IC) that is commonly used for power factor correction (PFC) applications.

  2. Q: What is the purpose of using UCC2802MDREP in technical solutions? A: UCC2802MDREP helps improve power efficiency and power factor in various electronic devices, such as power supplies and motor drives.

  3. Q: How does UCC2802MDREP achieve power factor correction? A: UCC2802MDREP uses a control algorithm to regulate the input current waveform, aligning it with the input voltage waveform, thereby improving power factor.

  4. Q: Can UCC2802MDREP be used in both AC and DC applications? A: No, UCC2802MDREP is specifically designed for AC applications where power factor correction is required.

  5. Q: What is the maximum operating frequency of UCC2802MDREP? A: The maximum operating frequency of UCC2802MDREP is typically around 500 kHz.

  6. Q: Does UCC2802MDREP have built-in protection features? A: Yes, UCC2802MDREP includes various protection features like overvoltage protection, undervoltage lockout, and thermal shutdown.

  7. Q: Can UCC2802MDREP be used in high-power applications? A: Yes, UCC2802MDREP can be used in high-power applications, but it may require additional external components for higher power levels.

  8. Q: Are there any specific design considerations when using UCC2802MDREP? A: Yes, it is important to consider factors like input voltage range, output power requirements, and thermal management when designing with UCC2802MDREP.

  9. Q: Can UCC2802MDREP be used in both single-phase and three-phase systems? A: Yes, UCC2802MDREP can be used in both single-phase and three-phase systems, depending on the specific application requirements.

  10. Q: Are there any reference designs or application notes available for UCC2802MDREP? A: Yes, Texas Instruments, the manufacturer of UCC2802MDREP, provides various reference designs and application notes that can help in implementing this IC effectively.

Please note that these answers are general and may vary based on specific application requirements and design considerations.