UCC37325DR

Overview

Category: Integrated Circuit (IC)

Use: Driver for high-speed, high-current power MOSFETs and IGBTs

Characteristics: - High peak output current capability - Fast rise and fall times - Low propagation delay - Wide operating voltage range - High noise immunity - Thermal shutdown protection

Package: SOIC-8

Essence: The UCC37325DR is a high-speed, high-current driver IC designed to provide efficient switching control for power MOSFETs and IGBTs in various applications.

Packaging/Quantity: The UCC37325DR 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 (Peak): ±9A
• Propagation Delay: 15ns (typical)
• Rise/Fall Time: 10ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The UCC37325DR has the following pin configuration:

___________ | | IN |1 8| VDD EN |2 7| OUT GND |3 6| NC NC |4 5| NC |___________|

Functional Features

• Input (IN): This pin is used to provide the input signal that controls the output state of the driver.
• Enable (EN): When this pin is set to a logic high level, the driver is enabled and actively drives the output.
• Output (OUT): This pin provides the amplified and inverted output signal to drive the gate of the power MOSFET or IGBT.
• Ground (GND): This pin is connected to the ground reference of the system.
• VDD: This pin is connected to the positive supply voltage.

Advantages and Disadvantages

Advantages: - High peak output current capability allows driving of high-current devices. - Fast rise and fall times enable efficient switching operation. - Low propagation delay ensures minimal delay in signal transmission. - Wide operating voltage range provides flexibility in various applications. - High noise immunity reduces the impact of external disturbances. - Thermal shutdown protection prevents damage due to excessive temperature.

Disadvantages: - Limited number of available pins restricts the number of external components that can be directly connected.

Working Principles

The UCC37325DR operates by receiving an input signal at the IN pin. When the EN pin is set to a logic high level, the driver amplifies and inverts the input signal, providing a high-current output at the OUT pin. This output is used to drive the gate of a power MOSFET or IGBT, enabling efficient switching control.

Application Field Plans

The UCC37325DR is commonly used in the following application fields:

1. Power electronics: The driver is utilized in motor control systems, power supplies, and inverters to efficiently switch power MOSFETs and IGBTs.
2. Industrial automation: It finds application in robotics, process control, and industrial machinery for precise and reliable switching control.
3. Automotive electronics: The driver is employed in electric vehicle systems, automotive lighting, and motor control modules for efficient power switching.

Alternative Models

Some alternative models that offer similar functionality to the UCC37325DR include:

1. IR2110
2. TC4427
3. MAX4427
4. HIP4081A

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

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