UCC27323DR

Overview

Category: Integrated Circuit (IC)

Use: Driver for high-speed, high-side and low-side MOSFETs and IGBTs

Characteristics: - High-speed switching capability - Low propagation delay - Wide operating voltage range - High output current capability - Protection features against overcurrent and overtemperature

Package: SOIC-8

Essence: The UCC27323DR is a high-speed dual MOSFET and IGBT driver IC designed to provide efficient and reliable switching control for power electronics applications.

Packaging/Quantity: The UCC27323DR is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: ±2A
• Propagation Delay: 15ns (typical)
• Rise/Fall Time: 10ns (typical)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The UCC27323DR has the following pin configuration:

___________ | | IN1|1 8|VDD IN2|2 7|OUT2 GND|3 6|OUT1 NC|4 5|VSS |___________|

Functional Features

• Dual independent channels for driving high-side and low-side switches
• Schmitt-trigger inputs for noise immunity
• Adaptive shoot-through protection to prevent simultaneous conduction of high-side and low-side switches
• Under-voltage lockout (UVLO) protection
• Overcurrent protection with adjustable threshold
• Thermal shutdown protection

Advantages

• High-speed switching capability allows for efficient power conversion
• Low propagation delay ensures precise control of switching events
• Wide operating voltage range enables compatibility with various power supply systems
• High output current capability allows for driving high-power MOSFETs and IGBTs
• Protection features enhance system reliability and prevent damage to the driver and power devices

Disadvantages

• Limited number of channels (dual-channel) may not be suitable for applications requiring more than two switches
• Requires external components for proper operation, such as bootstrap capacitors and gate resistors

Working Principles

The UCC27323DR operates by receiving input signals from a microcontroller or control circuitry and generating high-current drive signals to control the switching of MOSFETs or IGBTs. The driver IC utilizes a combination of internal logic and external components to ensure efficient and reliable switching of power devices.

Detailed Application Field Plans

The UCC27323DR is commonly used in various power electronics applications, including:

1. Motor drives: Controlling the speed and direction of electric motors in industrial machinery, automotive systems, and robotics.
2. Power supplies: Regulating the output voltage and current in AC-DC and DC-DC converters.
3. Inverters: Converting DC power to AC power in renewable energy systems, electric vehicles, and uninterruptible power supplies (UPS).
4. Switch-mode power amplifiers: Driving high-power audio amplifiers efficiently in professional audio systems and home theater setups.

Alternative Models

Here are some alternative models that offer similar functionality to the UCC27323DR:

1. IR2104 - High and low-side driver IC with similar specifications and package options.
2. MAX44284 - Dual MOSFET driver IC with adjustable dead-time control and integrated protection features.
3. LTC4440 - High-speed MOSFET driver IC with adjustable output current and integrated shoot-through protection.

These alternative models can be considered based on specific application requirements and availability.

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