NCP5109ADR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High voltage gate driver - Designed for use in power conversion applications - Provides efficient and reliable control of high-side and low-side power MOSFETs

Package: SOIC-8

Essence: The NCP5109ADR2G is a high voltage gate driver IC that offers precise control over power MOSFETs in various power conversion applications.

Packaging/Quantity: The NCP5109ADR2G is available in a standard SOIC-8 package. It is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 10V to 20V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to +125°C
• Rise and Fall Time: 15ns (typical)
• Propagation Delay: 75ns (typical)

Detailed Pin Configuration

The NCP5109ADR2G features the following pin configuration:

1. VDD: Supply voltage input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. GND: Ground reference
5. SD: Shutdown input
6. IN: Logic input
7. VB: Bootstrap supply voltage input
8. VS: High-side floating supply voltage input

Functional Features

• High voltage level shifting capability
• Built-in bootstrap diode for high-side gate drive
• Integrated undervoltage lockout protection
• Overcurrent protection with adjustable threshold
• Short-circuit protection with adjustable blanking time
• Fast switching speed for improved efficiency
• Low quiescent current consumption

Advantages and Disadvantages

Advantages: - Precise control over power MOSFETs - High voltage level shifting capability - Integrated protection features for enhanced reliability - Fast switching speed for improved efficiency

Disadvantages: - Limited output current (1.5A maximum) - Requires external bootstrap capacitor for high-side gate drive

Working Principles

The NCP5109ADR2G operates by receiving logic input signals and generating corresponding gate drive signals for high-side and low-side power MOSFETs. It utilizes a bootstrap supply voltage to efficiently drive the high-side gate, eliminating the need for an additional isolated power supply. The IC incorporates various protection features such as undervoltage lockout, overcurrent protection, and short-circuit protection to ensure safe operation.

Detailed Application Field Plans

The NCP5109ADR2G is commonly used in power conversion applications, including:

1. Switching Power Supplies
2. Motor Control Systems
3. LED Lighting Drivers
4. Solar Inverters
5. Battery Charging Systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the NCP5109ADR2G are:

1. IRS2106S: High and Low Side Driver IC
2. FAN7388: Half-Bridge Gate Driver IC
3. UCC27211A: High-Speed MOSFET and IGBT Driver

These alternative models offer similar functionality and can be suitable replacements depending on specific application requirements.

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