LM5100BSD/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Gate Driver, Wide Input Voltage Range, Low Propagation Delay, Overcurrent Protection
• Package: SOIC-8
• Essence: The LM5100BSD/NOPB is a high voltage gate driver IC designed for driving both high-side and low-side N-channel MOSFETs in a half-bridge configuration. It provides efficient switching performance for power management applications.
• Packaging/Quantity: The LM5100BSD/NOPB is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: -0.3V to 14V
• Output Voltage Range: -0.3V to 14V
• Supply Voltage Range: 4.5V to 14V
• Operating Temperature Range: -40°C to 125°C
• Propagation Delay: 35ns (typical)
• Peak Output Current: 2A (source/sink)

Detailed Pin Configuration

The LM5100BSD/NOPB has the following pin configuration:

1. VDD: Supply Voltage
2. HO: High-Side Gate Drive Output
3. LO: Low-Side Gate Drive Output
4. VB: Bootstrap Supply Voltage
5. GND: Ground
6. LIN: Logic Input
7. SD: Shutdown Input
8. VSS: Negative Supply Voltage

Functional Features

• High voltage capability allows driving of N-channel MOSFETs in high-power applications.
• Wide input voltage range enables compatibility with various control circuits.
• Low propagation delay ensures fast and efficient switching performance.
• Overcurrent protection safeguards the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - High voltage capability for driving power MOSFETs. - Wide input voltage range for compatibility with different control circuits. - Low propagation delay ensures efficient switching performance. - Overcurrent protection enhances circuit reliability.

Disadvantages: - Limited to N-channel MOSFETs only. - Requires an external bootstrap capacitor for proper operation.

Working Principles

The LM5100BSD/NOPB operates by receiving logic inputs (LIN) to control the high-side and low-side gate drive outputs (HO and LO). These outputs are used to drive the respective N-channel MOSFETs in a half-bridge configuration. The IC utilizes a bootstrap supply voltage (VB) to generate the necessary gate drive voltages. It also incorporates overcurrent protection to prevent excessive current flow.

Detailed Application Field Plans

The LM5100BSD/NOPB is commonly used in various power management applications, including:

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

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM5100BSD/NOPB include:

1. IR2104S: High and Low Side Driver IC
2. FAN7388: Half-Bridge Gate Driver IC
3. UCC27211A: 120V Half-Bridge Gate Driver IC
4. MAX15062: High-Speed Half-Bridge MOSFET Driver

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

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