Overview
The LM5100AM, manufactured by Texas Instruments (formerly National Semiconductor), is a high-performance half-bridge MOSFET driver designed for applications requiring precise control of N-channel MOSFETs. This IC is widely used in power management systems, offering robust performance in high-voltage environments. Its target user groups include engineers and designers working on industrial automation, motor control, and power supply systems. The LM5100AM stands out for its high voltage tolerance, fast switching capabilities, and compact SOIC-8 package, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Configuration | Half-Bridge | - | - |
| Channels | 2 | - | Independent |
| Gate Type | N-Channel MOSFET | - | - |
| Supply Voltage | 9 - 14 | V | - |
| Peak Output Current | 3 | A | Sink/Source |
| Input Type | Non-Inverting | - | - |
| High-Side Voltage (Max) | 118 | V | Bootstrap |
| Rise/Fall Time | 430 / 260 | ns | Typical |
| Operating Temperature | -40 to 125 | °C | Junction Temperature |
| Package | SOIC-8 | - | Surface Mount |
| RoHS Compliance | Yes | - | Lead-Free |
Key Features
- High-voltage capability up to 118V for robust performance in demanding applications.
- Fast switching with rise and fall times of 430ns and 260ns, respectively, ensuring efficient power management.
- Independent high-side and low-side drivers for flexible control of N-channel MOSFETs.
- Compact SOIC-8 package for space-constrained designs.
- Wide operating temperature range (-40°C to 125°C) suitable for industrial environments.
Applications
The LM5100AM is ideal for a variety of applications, including industrial motor drives, switch-mode power supplies, and DC-DC converters. Its high-voltage tolerance and fast switching make it particularly useful in systems requiring precise control of power MOSFETs, such as in electric vehicles, renewable energy systems, and robotics. Additionally, its compact form factor and robust performance make it a reliable choice for embedded power control solutions.
Q & A
1. What is the maximum supply voltage for the LM5100AM?
The maximum supply voltage is 14V.
2. Can the LM5100AM drive both high-side and low-side MOSFETs?
Yes, it features independent high-side and low-side drivers.
3. What is the peak output current of the LM5100AM?
The peak output current is 3A for both sinking and sourcing.
4. Is the LM5100AM RoHS compliant?
Yes, it is RoHS compliant and lead-free.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LM5100AM come in?
It is available in an SOIC-8 surface-mount package.
7. What is the typical rise time of the LM5100AM?
The typical rise time is 430ns.
8. Can the LM5100AM be used in motor control applications?
Yes, it is well-suited for motor control and other high-voltage applications.
9. What is the input type for the LM5100AM?
The input type is non-inverting.
10. What is the maximum high-side voltage supported?
The maximum high-side voltage is 118V with bootstrap.
