LM5100CSDX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Gate Driver, Wide Input Voltage Range, Low Propagation Delay, Adjustable Dead Time, Thermal Shutdown Protection
• Package: VSON-10
• Essence: The LM5100CSDX/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 is commonly used in power electronics applications.
• Packaging/Quantity: The LM5100CSDX/NOPB is available in a VSON-10 package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: -0.3V to 12V
• Output Voltage Range: -0.3V to 12V
• Supply Voltage Range: 4.5V to 15V
• Operating Temperature Range: -40°C to 125°C
• Propagation Delay: 35ns (typical)
• Dead Time: Adjustable from 20ns to 350ns
• Thermal Shutdown Temperature: 165°C

Pin Configuration

The LM5100CSDX/NOPB has the following pin configuration:

1. VDD: Supply Voltage
2. HO: High-Side Output
3. LO: Low-Side Output
4. HB: Half-Bridge Bootstrap Supply
5. HS: High-Side Input
6. LS: Low-Side Input
7. SD: Shutdown Input
8. GND: Ground
9. NC: No Connection
10. 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 signals.
• Low propagation delay ensures fast switching performance.
• Adjustable dead time allows precise control of the half-bridge operation.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High voltage capability for driving power MOSFETs. - Wide input voltage range for compatibility with different control signals. - Adjustable dead time for precise control. - Thermal shutdown protection for enhanced reliability.

Disadvantages: - Limited to N-channel MOSFETs, not suitable for P-channel MOSFETs. - Requires external bootstrap capacitor for proper operation. - May require additional circuitry for level shifting in certain applications.

Working Principles

The LM5100CSDX/NOPB is designed to drive both high-side and low-side N-channel MOSFETs in a half-bridge configuration. It utilizes a bootstrap capacitor to generate a voltage higher than the supply voltage for driving the high-side MOSFET. The inputs HS and LS control the switching of the high-side and low-side MOSFETs respectively. The dead time between the switching of the two MOSFETs can be adjusted using an external resistor and capacitor. The IC also incorporates thermal shutdown protection to prevent overheating.

Detailed Application Field Plans

The LM5100CSDX/NOPB is commonly used in various power electronics applications, including:

1. Switching Power Supplies
2. Motor Drives
3. Inverters
4. DC-DC Converters
5. Solar Power Systems
6. LED Lighting Systems

Alternative Models

Here are some alternative models that can be considered as alternatives to the LM5100CSDX/NOPB:

1. IR2104S: High and Low Side Driver IC
2. IRS21844S: Half-Bridge Gate Driver IC
3. MAX4420ESA: High-Speed MOSFET Driver
4. FAN7382MX: High and Low Side Gate Driver

These alternative models offer similar functionality and can be used as substitutes depending on the specific requirements of the application.

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