LM5102SDX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5102SDX/NOPB is a high-voltage gate driver IC designed for driving N-channel MOSFETs in various power applications.

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

Package: SDIP (Shrink Dual In-Line Package)

Essence: The LM5102SDX/NOPB is an essential component in power electronics systems, enabling efficient and reliable control of high-power devices.

Packaging/Quantity: The LM5102SDX/NOPB is typically sold in reels containing 250 units.

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 Threshold: 7.5V (typical)

Pin Configuration

The LM5102SDX/NOPB has the following pin configuration:

1. VDD: Power supply input
2. IN: Logic input for controlling the gate driver
3. RT: External resistor connected to set the turn-on and turn-off time
4. CT: External capacitor connected to set the soft-start time
5. HO: High-side gate driver output
6. LO: Low-side gate driver output
7. GND: Ground reference

Functional Features

• High voltage level shifting
• Adaptive shoot-through protection
• Adjustable dead-time control
• Integrated bootstrap diode
• Thermal shutdown protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages: - High voltage capability allows driving of N-channel MOSFETs in high-power applications - Fast switching speed enables efficient power conversion - Robust protection features enhance system reliability - Wide operating temperature range ensures performance in harsh environments

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

Working Principles

The LM5102SDX/NOPB operates by receiving logic-level input signals and generating high-voltage gate drive signals to control the N-channel MOSFETs. It utilizes a bootstrap capacitor to generate a voltage higher than the supply voltage, enabling efficient gate drive at high voltages. The adaptive shoot-through protection prevents both high-side and low-side MOSFETs from conducting simultaneously, avoiding short circuits.

Detailed Application Field Plans

The LM5102SDX/NOPB is widely used in various power electronics applications, including: - Switch-mode power supplies (SMPS) - Motor drives - Solar inverters - Uninterruptible power supplies (UPS) - Electric vehicle charging systems

Alternative Models

1. IR2104S: High and low side driver IC with similar specifications.
2. IRS21844S: Half-bridge driver IC with integrated bootstrap diode.
3. FAN7388: Gate driver IC with built-in dead-time control.

These alternative models offer similar functionality and can be considered as substitutes for the LM5102SDX/NOPB in specific applications.

In conclusion, the LM5102SDX/NOPB is a high-voltage gate driver IC that provides efficient and reliable control of N-channel MOSFETs in various power applications. Its fast switching speed, robust protection features, and wide operating temperature range make it a suitable choice for demanding power electronics systems.