LM5101BMA

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5101BMA is a high-voltage gate driver IC designed for driving both high-side and low-side N-channel MOSFETs in various applications such as motor control, power supplies, and inverters.

Characteristics: - High voltage capability - Fast switching speed - Low propagation delay - Wide operating temperature range - Robust protection features

Package: The LM5101BMA is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable switching of MOSFETs.

Packaging/Quantity: The LM5101BMA is typically sold in reels containing 250 units.

Specifications

• Supply Voltage Range: 9V to 100V
• Output Current Capability: ±2A
• Maximum Switching Frequency: 2 MHz
• Operating Temperature Range: -40°C to +125°C
• Input Logic Compatibility: CMOS, TTL

Pin Configuration

The LM5101BMA features the following pin configuration:

1. VDD: Power supply input
2. HO: High-side gate drive output
3. LO: Low-side gate drive output
4. LIN: Logic input for low-side MOSFET
5. HIN: Logic input for high-side MOSFET
6. SD: Shutdown input
7. GND: Ground reference
8. NC: No connection

Functional Features

• High-side and low-side gate drivers
• Adaptive shoot-through protection
• Adjustable dead-time control
• Under-voltage lockout (UVLO) protection
• Over-current protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - Wide voltage range compatibility - Fast switching speed for efficient operation - Robust protection features ensure system reliability - Adjustable dead-time control for optimized performance

Disadvantages: - Limited output current capability (±2A) - Requires external components for complete circuit implementation

Working Principles

The LM5101BMA operates by receiving logic inputs (LIN and HIN) to control the high-side and low-side MOSFETs. It generates gate drive signals (HO and LO) to switch the MOSFETs on and off rapidly, allowing efficient power conversion or motor control. The IC incorporates various protection mechanisms to prevent damage to the MOSFETs and ensure safe operation.

Detailed Application Field Plans

The LM5101BMA finds applications in a wide range of fields, including: 1. Motor control systems 2. Power supply units 3. Inverters for renewable energy systems 4. Electric vehicle charging stations 5. Industrial automation equipment

Alternative Models

For similar functionality, the following alternative models can be considered: 1. LM5113: Dual-channel high-voltage gate driver 2. IRS2186: High and low-side gate driver with integrated bootstrap diode 3. MAX15062: High-speed, dual MOSFET driver

These alternative models offer comparable features and can be suitable replacements for the LM5101BMA in specific applications.

In conclusion, the LM5101BMA is a versatile high-voltage gate driver IC that provides efficient and reliable switching of MOSFETs in various applications. Its robust features, wide voltage range compatibility, and adjustable parameters make it a valuable component in power electronics systems.