LM5100CSD/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5100CSD/NOPB is a high-voltage gate driver IC designed for driving both high-side and low-side N-channel MOSFETs in various applications.

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

Package: The LM5100CSD/NOPB is available in a small 8-pin VSSOP package, which provides compactness and ease of integration into circuit designs.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable control of high-power MOSFET switches.

Packaging/Quantity: The LM5100CSD/NOPB is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 9V to 100V
• Maximum Output Current: ±2A
• Operating Temperature Range: -40°C to +125°C
• Rise/Fall Time: 10ns (typical)
• Input Logic Compatibility: CMOS/TTL

Detailed Pin Configuration

The LM5100CSD/NOPB features the following pin configuration:

1. VDD: Power supply input for the IC.
2. GND: Ground reference for the IC.
3. HO: High-side gate drive output.
4. LO: Low-side gate drive output.
5. HIN: High-side gate drive input.
6. LIN: Low-side gate drive input.
7. SD: Shutdown input for disabling the IC.
8. NC: No connection (unused pin).

Functional Features

• High-side and low-side gate drivers for N-channel MOSFETs.
• Independent inputs for high-side and low-side control.
• Adaptive shoot-through protection to prevent MOSFET cross-conduction.
• Integrated undervoltage lockout (UVLO) for reliable operation.
• Internal bootstrap diode for high-side gate drive.

Advantages and Disadvantages

Advantages: - High voltage capability enables use in a wide range of applications. - Fast switching speed allows for efficient power conversion. - Robust protection features enhance system reliability. - Compact package facilitates space-constrained designs.

Disadvantages: - Limited to driving N-channel MOSFETs only. - Requires external components for complete circuit implementation.

Working Principles

The LM5100CSD/NOPB operates by receiving control signals on the HIN and LIN inputs, which determine the state of the high-side and low-side MOSFETs. The IC generates complementary gate drive signals on the HO and LO outputs, respectively, to turn the MOSFETs on and off. Adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously, ensuring safe operation.

Detailed Application Field Plans

The LM5100CSD/NOPB finds application in various fields, including: 1. Switch-mode power supplies (SMPS) 2. Motor drives 3. Solar inverters 4. LED lighting systems 5. Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM5100CSD/NOPB include: - IR2104 - IRS21844 - UCC27211 - MAX44284

These alternatives can be considered based on specific design requirements and availability.

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