Hot-swap controllers
Power up with confidence: Intelligent power protection and control for the most critical systems
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Positive hot-swap controllers
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5.5V to 90V advanced hot-swap controller with I/V/P monitoring and PMBus™ interface
Approx. price (USD) 1ku | 2.87
Why choose our hot-swap controllers?
Fast, accurate power-path protection and monitoring
Get fast and accurate protection against various faults with user-configurable threshold and timings, along with monitoring and diagnostic capabilities.
High power handling
Designed for modern high-density systems, hot-swap controllers can support higher current and power levels than typical eFuses, making them ideal for high-density, high-performance systems.
Tailored protection
Configure hot-swap controllers using external FETs to match your system’s exact power and fault requirements, giving you control over every application.
Technical resources
Addressing the protection challenges of 48V AI servers using hot-swap controllers
Handling System Transients in Hot Swap Applications
Transient protection design for power switches to achieve robust reliable power-path protection
Discover featured applications
Design reliable and scalable server power systems
With AI and cloud growth, server power demands are rising, making reliability critical. Our hot-swap controllers enable safe board insertion and removal while maintaining system stability. They manage inrush current and protect against power transients, safeguarding critical systems in compact, efficient designs.
Benefits:
- High power capability to enable optimal performance.
- Comprehensive protections during overvoltage, overcurrent and overtemperature events.
- Wide voltage range with PMBus support for more tailored solutions.
Featured resources
- PMP23496 – 8kW hot-swap reference design for 48V artificial intelligence servers
- LM5066H1EVM – LM5066H1 evaluation module
- LM5066IEVM-626 – LM5066IEVM-626 Evaluation Module with PMBus
- LM5069EVAL – Positive High Voltage Hot Swap Inrush Current Controller with Power Limiting Evaluation Module
- Handling System Transients in Hot Swap Applications – Application note
- Addressing the protection challenges of 48V AI servers using hot-swap controllers – Analog Design Journal
Create customized solutions for field and backplane power systems
Optimize industrial power systems with hot-swap controllers that enable safe live insertion and removal of boards without disrupting operation. They manage inrush current, protect against electrical faults, and ensure stable performance in demanding environments.
Benefits:
- Precise control of inrush current with adjustable slew rate and current limits.
- Strong protection against overcurrent, overvoltage, and short circuits.
- Improved uptime with fast fault detection and monitoring.
- Compact designs for space-constrained industrial systems.
Featured resources
- TIDA-010070 – Protected DC-bus input power and control power supply reference design for low-voltage servo drives
- TIDA-010242 – MIL-STD-1275E surge protection reference design
- TIDA-00500 – Capacitor-Based Backup Power Supply for PLC Modules Reference Design
- LM5066H1EVM – LM5066H1 evaluation module
- LM5066IEVM-626 – LM5066IEVM-626 Evaluation Module with PMBus
- LM5069EVAL – Positive High Voltage Hot Swap Inrush Current Controller with Power Limiting Evaluation Module
- Handling System Transients in Hot Swap Applications – Application note
- Addressing the protection challenges of 48V AI servers using hot-swap controllers – Analog Design Journal
Powering next-gen wireless infrastructure with high-performance devices
As wireless networks evolve to meet the demands of 5G and beyond, the underlying infrastructure requires devices that combine reliability, efficiency and performance. Our devices meet the needs for modern wireless systems, ensuring seamless connectivity, robust operation and power optimization. Designed with performance and scalability in mind, we support the growing complexity of next-generation networks.
Benefits:
- High power density.
- Integrated protection features to improve system reliability.
Featured resources
Design & development resources
Hot Swap Design Calculator Tools
Creating a Hot Swap and/or eFuse design can involve complex formulas and calculations. Simplify the process by entering system requirements such as input voltage range, current, and output capacitance and the calculator will guide the user towards developing a robust design. The tool may also (...)
LM5066IEVM-626 Evaluation Module with PMBus
The LM5066IEVM-626 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM5066I high-performance hot-swap controller with PMBUS compliant SMBUS/I2C interface to accurately measure, protect and control the electrical operating conditions of systems connected to a (...)
LM5069 evaluation board
LM5069EVM-627 provides the design engineer with a fully functional hotswap controller evaluation module designed with surge voltage clamping, reverse voltage protection and reverse current protection. The EVM features LM5069-2, with auto restart. The LM5069EVM-627 User Guide describes board (...)