LM5101CMA/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5101CMA/NOPB 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 drives, power supplies, and inverters.

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

Package: The LM5101CMA/NOPB is available in a small 8-pin SOIC package, which provides ease of integration into circuit designs.

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

Packaging/Quantity: The LM5101CMA/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 9V to 100V
• Output Current Capability: ±2A
• Input Logic Compatibility: CMOS/TTL
• Operating Temperature Range: -40°C to +125°C
• Rise/Fall Time: 10ns (typical)
• Maximum Duty Cycle: 50%
• Undervoltage Lockout (UVLO) Threshold: 7.5V (typical)

Pin Configuration

The LM5101CMA/NOPB features the following pin configuration:

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

Functional Features

• High-side and low-side gate driver outputs for N-channel MOSFETs
• Integrated bootstrap diode for high-side gate driver
• Adaptive shoot-through protection
• Under-voltage lockout (UVLO) protection
• Thermal shutdown protection
• Logic input with hysteresis for noise immunity

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows flexibility in various applications - Fast switching speed enables efficient power conversion - Integrated protection features enhance system reliability - Small package size facilitates space-constrained designs

Disadvantages: - Limited to driving N-channel MOSFETs only - Requires external components for proper operation

Working Principles

The LM5101CMA/NOPB operates by receiving logic inputs and generating corresponding gate drive signals for the high-side and low-side MOSFETs. It utilizes a bootstrap circuit to generate a voltage higher than the supply voltage for driving the high-side MOSFET. The adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously, minimizing power loss and protecting the circuit.

Detailed Application Field Plans

The LM5101CMA/NOPB finds application in various fields, including: - Motor drives - Power supplies - Inverters - Uninterruptible power supplies (UPS) - Solar inverters - Electric vehicle charging systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM5101CMA/NOPB are: - LM5113 - IRS21844 - MAX15062 - UCC27211

These models offer similar functionality and can be used as substitutes depending on specific requirements and design considerations.

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