TC4425VPA

Overview

Category: Integrated Circuit (IC)

Use: Driver for MOSFETs and IGBTs

Characteristics: - High peak output current - Wide input voltage range - Low propagation delay times - High capacitive load drive capability - Short-circuit protection - Under-voltage lockout

Package: PDIP-8, SOIC-8

Essence: The TC4425VPA is a high-speed driver IC designed to drive MOSFETs and IGBTs in various applications.

Packaging/Quantity: The TC4425VPA is available in PDIP-8 and SOIC-8 packages. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current: 1.5A (peak)
• Input Threshold Voltage: 2.5V (typical)
• Propagation Delay Time: 55ns (typical)
• Rise/Fall Time: 25ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TC4425VPA has the following pin configuration:

___________ VDD | 1 8 | VCC IN+ | 2 7 | OUT IN- | 3 6 | GND NC | 4 5 | NC ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• High peak output current allows driving of capacitive loads quickly.
• Wide input voltage range enables compatibility with various control circuits.
• Low propagation delay times ensure fast switching performance.
• High capacitive load drive capability allows driving of large MOSFETs and IGBTs.
• Short-circuit protection prevents damage to the driver and load in case of a fault.
• Under-voltage lockout protects against insufficient supply voltage.

Advantages

• Fast switching speed improves overall system efficiency.
• High output current capability enables driving of demanding loads.
• Wide input voltage range provides flexibility in circuit design.
• Short-circuit protection enhances system reliability.
• Under-voltage lockout ensures proper operation even at low supply voltages.

Disadvantages

• Limited output current compared to some high-power applications.
• Not suitable for extremely high-frequency applications due to propagation delay times.

Working Principles

The TC4425VPA is a non-inverting driver IC that uses a charge pump to generate a higher gate voltage than the input voltage. This higher gate voltage allows efficient and fast switching of MOSFETs and IGBTs. The driver incorporates various protection features such as short-circuit protection and under-voltage lockout to ensure safe operation.

Application Field Plans

The TC4425VPA is widely used in various applications, including:

1. Motor control systems
2. Power supplies
3. Switching regulators
4. LED lighting
5. Audio amplifiers
6. Automotive electronics
7. Industrial automation

Alternative Models

Some alternative models to the TC4425VPA include:

1. TC4420CPA
2. IR2110
3. MAX4420
4. HIP4081A
5. LTC4440

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

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