LM5109BMA/NOPB

Product Overview

Category: Integrated Circuit
Use: Motor Driver
Characteristics: High voltage, high frequency, half-bridge gate driver
Package: 8-SOIC
Essence: Efficient and reliable motor control
Packaging/Quantity: Tape & Reel (2500 units per reel)

Specifications

• Operating Voltage: 7V to 60V
• Output Current: 2A peak source, 3A peak sink
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Features: Adaptive dead-time control, shoot-through protection, UVLO

Detailed Pin Configuration

The LM5109BMA/NOPB features an 8-pin SOIC package with the following pin configuration: 1. VDD 2. HO 3. LO 4. HB 5. VSS 6. RT 7. CT 8. VS

Functional Features

• Adaptive Dead-Time Control: Optimizes efficiency and minimizes shoot-through risk
• Shoot-Through Protection: Prevents damaging current spikes in half-bridge operation
• UVLO: Under-voltage lockout protects the system during low voltage conditions

Advantages and Disadvantages

Advantages: - High voltage and frequency capability - Comprehensive protection features - Wide operating temperature range

Disadvantages: - Limited output current compared to some alternatives - Requires external components for full functionality

Working Principles

The LM5109BMA/NOPB is a high-voltage half-bridge gate driver designed to efficiently drive MOSFETs in motor control applications. It utilizes adaptive dead-time control and shoot-through protection to ensure safe and reliable operation, even at high frequencies and voltages.

Detailed Application Field Plans

The LM5109BMA/NOPB is well-suited for various motor control applications, including: - Brushless DC (BLDC) motor drives - Servo drives - Industrial automation systems - Robotics

Detailed and Complete Alternative Models

• LM5109A: Similar features with slightly different specifications
• IR2104: Competing half-bridge gate driver with comparable capabilities
• DRV8301: Integrated solution with additional motor control features

In conclusion, the LM5109BMA/NOPB offers a robust and efficient solution for high-voltage motor control applications, with comprehensive protection features and wide operating parameters.

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