Texas Instruments
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
UCC27321D
詳情 數據表

UCC27321D

Product Overview

Category

UCC27321D belongs to the category of integrated circuits (ICs).

Use

The UCC27321D is commonly used as a high-speed, dual-channel MOSFET driver.

Characteristics

  • High-speed switching capability
  • Dual-channel design
  • Low propagation delay
  • Wide operating voltage range
  • High output current capability

Package

UCC27321D is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of UCC27321D lies in its ability to efficiently drive power MOSFETs in various applications.

Packaging/Quantity

UCC27321D is typically packaged in reels containing 2500 units.

Specifications

  • Supply Voltage Range: 4.5V to 18V
  • Output Current: ±4A
  • Propagation Delay: 15ns
  • Rise/Fall Time: 10ns
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VDD: Power supply for the driver circuitry
  2. IN1: Input pin for Channel 1
  3. GND: Ground reference
  4. OUT1: Output pin for Channel 1
  5. LO1: Low-side output pin for Channel 1
  6. HO1: High-side output pin for Channel 1
  7. VS: Bootstrap supply voltage
  8. HB1: High-side floating bootstrap pin for Channel 1
  9. LB1: Low-side floating bootstrap pin for Channel 1
  10. IN2: Input pin for Channel 2
  11. OUT2: Output pin for Channel 2
  12. LO2: Low-side output pin for Channel 2
  13. HO2: High-side output pin for Channel 2
  14. HB2: High-side floating bootstrap pin for Channel 2
  15. LB2: Low-side floating bootstrap pin for Channel 2

Functional Features

  • Dual-channel design allows independent control of two MOSFETs
  • High-speed switching capability enables efficient power conversion
  • Bootstrap supply voltage ensures proper gate drive for high-side MOSFETs
  • Low propagation delay minimizes switching losses
  • Wide operating voltage range provides flexibility in various applications

Advantages and Disadvantages

Advantages

  • High-speed switching capability improves overall system efficiency
  • Dual-channel design allows for independent control of multiple MOSFETs
  • Wide operating voltage range enhances versatility
  • Low propagation delay reduces switching losses

Disadvantages

  • Limited output current compared to some other MOSFET drivers
  • Requires external bootstrap supply voltage for high-side MOSFETs

Working Principles

The UCC27321D is designed to drive power MOSFETs efficiently. It utilizes a dual-channel architecture, allowing independent control of two MOSFETs. The driver circuitry generates the necessary gate drive signals to switch the MOSFETs on and off rapidly. The bootstrap supply voltage ensures proper gate drive for high-side MOSFETs. The low propagation delay and high-speed switching capability of UCC27321D contribute to minimizing switching losses and improving overall system efficiency.

Detailed Application Field Plans

UCC27321D finds application in various fields, including:

  1. Power electronics: Used in DC-DC converters, motor drives, and inverters.
  2. Industrial automation: Employed in robotics, motion control systems, and industrial machinery.
  3. Automotive electronics: Utilized in electric vehicle powertrains, battery management systems, and automotive lighting.
  4. Renewable energy systems: Applied in solar inverters, wind turbine converters, and energy storage systems.
  5. Telecommunications: Used in power amplifiers, base station equipment, and network infrastructure.

Detailed and Complete Alternative Models

  1. UCC27322D: Similar to UCC27321D but with four channels instead of two.
  2. UCC27423D: Four-channel MOSFET driver with higher output current capability.
  3. UCC27211D: Single-channel MOSFET driver with similar characteristics to UCC27321D.
  4. UCC27531D: Dual-channel MOSFET driver with enhanced thermal performance.

These alternative models offer similar functionality and can be considered as substitutes for UCC27321D in various applications.

Word count: 536 words

10個與UCC27321D在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of UCC27321D in technical solutions:

  1. Q: What is UCC27321D? A: UCC27321D is a high-speed, dual-channel gate driver IC designed for driving power MOSFETs and IGBTs.

  2. Q: What is the maximum operating voltage of UCC27321D? A: The maximum operating voltage of UCC27321D is typically 18V.

  3. Q: What is the output current capability of UCC27321D? A: UCC27321D can source or sink up to 4A of peak current per channel.

  4. Q: Can UCC27321D be used with both MOSFETs and IGBTs? A: Yes, UCC27321D is compatible with both MOSFETs and IGBTs.

  5. Q: Does UCC27321D have built-in protection features? A: Yes, UCC27321D includes undervoltage lockout (UVLO) and overcurrent protection (OCP) features.

  6. Q: What is the typical propagation delay of UCC27321D? A: The typical propagation delay of UCC27321D is around 20ns.

  7. Q: Can UCC27321D operate at high temperatures? A: Yes, UCC27321D has a wide operating temperature range of -40°C to 125°C.

  8. Q: Is UCC27321D suitable for high-frequency applications? A: Yes, UCC27321D is designed for high-speed switching applications and can operate at frequencies up to several MHz.

  9. Q: How many channels does UCC27321D have? A: UCC27321D is a dual-channel gate driver, meaning it can drive two separate power devices.

  10. Q: What is the input voltage range of UCC27321D? A: The input voltage range of UCC27321D is typically between 4.5V and 18V.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.