Power protection switches & controllers
Reliably protect and multiplex your power paths
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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
Automotive ideal diode with circuit breaker, 200-kHz ACS, UV ,OV protection and SLEEP mode
Approx. price (USD) 1ku | 1.85
9V to 80V, 15mΩ, 10A eFuse with accurate and fast current monitor
Approx. price (USD) 1ku | 2
9V to 80V, 3.5mΩ, 20A stackable integrated hot swap (eFuse) with accurate and fast current monitor
Approx. price (USD) 1ku | 3.669
100V Ideal diode bridge controller for PoE powered applications
Approx. price (USD) 1ku | 1.61
9V to 80V, 3.65mΩ, 20A stackable integrated hot swap (eFuse) with PMBus digital telemetry
Approx. price (USD) 1ku | 2.86
Why choose TI for your power path protection?
Improved power density
Low Ron and small package sizes enable high-density systems with minimized power dissipation.
Space savings
High feature integration in compact packages enable smaller board sizes and simpler designs.
Scalable solutions
Broad selection of integrated-FET and external-FET solutions allow optimization of each power path in a system.
Comprehensive protections
Includes wide-ranging features from standard overtemperature and overvoltage protection to programmable monitoring and diagnostics.
Technical resources
Basics of eFuses (Rev. A)
Basics of Ideal Diodes (Rev. B)
Basics of Power MUX (Rev. A)
Discover featured applications
Design reliable and scalable server power systems
With the growth of AI and cloud computing, server power and reliability needs increase exponentially. With our feature-rich eFuses and hot-swap controllers, you can design reliable server power systems at higher power levels. eFuses and hot-swap controllers also protect data from power transients in vital memory systems, and are available in space-conscious and power-efficient packages.
Benefits:
- High power density.
- Comprehensive protections during overvoltage, overcurrent and overtemperature events.
- Wide voltage range and PMBus options for more tailored solutions.
Featured resources
- PMP23496 – 8kW hot-swap reference design for 48V artificial intelligence servers
- TPS1689 – 9V to 80V, 3.65mΩ, 20A stackable integrated hot swap (eFuse) with PMBus digital telemetry
- LM5066I – 10-V to 80-V hot swap controller with improved current, voltage and power monitoring accuracy
- TPS25985 – 4.5-V to 16-V, 0.59-mΩ, 80-A stackable compact eFuse with accurate and fast current monitor
Design power-dense, comprehensive battery input protection
Due to the increase in processing power in electronic control units (ECU), traditional protection solutions such as Schottky diodes and P-channel field-effect transistors (FETs) are no longer as viable. Our ideal diodes protect downstream devices and systems with high system efficiency, improved thermal management and a very small solution size.
Benefits:
- Reverse polarity and current protection, inrush current control, and overcurrent and short-circuit protection.
- Small, power-dense packaging.
- Internal or external FET options.
Featured resources
- TIDA-050071 – Off-battery processor power reference design for ADAS and infotainment applications
- TIDA-01323 – ADAS multi-sensor hub reference design with quad 4-Gbps FPD-Link III, dual CSI-2 output, and PoC
- TIDA-01005 – Automotive ADAS Reference Design for Four Camera Hub with MIPI CSI-2 Output
- LM74910-Q1 – Automotive ideal diode with circuit breaker, 200-kHz ACS and under- and overvoltage protection
- LM74700-Q1 – 3.2-V to 65-V, 80-uA IQ automotive ideal diode controller
- LM74202-Q1 – 4.2-V to 40-V, 2.2A 300uA IQ automotive ideal diode with Integrated FET
- Addressing Automotive Reverse Battery Protection Topologies with LM749x0-Q1 – Application note
Create customized solutions for field and backplane power systems
Simplify your input protection designs using highly integrated TI eFuses with flexible protection thresholds. Protect against reverse current and reverse polarity events with ideal diode controllers or back-to-back FET eFuses. For low-voltage systems with two inputs, power muxes help acheive seamless switchover.
Benefits:
- Design flexibility from adjustable slew rate, overvoltage and overcurrent protection and selectable fault responses.
- Reduce system downtime with integrated fault diagnostics and accurate current monitoring.
- Decrease system size with compact footprints.
Featured resources
- TPS2663 – 4.5-V to 60-V, 31mΩ, 0.6-6A eFuse with output power limiting and surge protection
- LM74700-Q1 – 3.2-V to 65-V, 80-uA IQ automotive ideal diode controller
- TPS2121 – 2.7-V to 22-V, 56-mΩ, 4.5-A, power mux with seamless switchover
- Simplifying EFT, Surge and Power-Fail Protection Circuits in PLC Systems (Rev. D) – Application note
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Improve efficiency and provide automatic power switchover in smart building applications
Automated climate control, security and lighting solutions continue to grow sharply in homes and workspaces. TI power muxes provide small, low-power solutions to transition between power sources. Ideal diode controllers protect against miswiring during installation and ideal diode bridge rectifiers improve efficiency in 24VAC and 48V power-over-ethernet (PoE) systems.
Benefits:
- Low quiescent current and small packages to increase battery life and reduce size.
- Automatic switchover to reduce system complexity.
- Ideal diode bridge solutions for decreasing power losses versus Schottky bridges.
Featured resources
- Achieve Power Efficiency in Building Automation Applications with the TPS2116 – Application brief
- Achieve Low Loss Rectification Using TI's Diode Bridge Controllers – Application brief
Design versatile PC power supplies that address consumer needs
Our input protection portfolio prioritize two key aspects of PC power-supply designs: small form factors and protection against transient events. TI eFuses protect your designs without sacrificing size. For seamless switchover between battery and USB charging, TI power muxes offer protection and low leakage in small packages.
Benefits:
- Wide voltage ranges and protections against overcurrent, overvoltage and reverse current.
- Compact packaging, with options smaller than 5 mm2.
- Low quiescent currents for increased battery life.
Featured resources
- TIDA-01638 – Seamless switchover for backup power reference design
- TIDA-03030 – USB Type-C™ Power-Path Protection With Audio Accessory Support Reference Design
- USB Type-C™ power: Should your next device have USB Type-C? – Technical article
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.
- Internal or external FET options, for flexibility and application-specific customization.
Featured resources
Design & development resources
8kW hot-swap reference design for 48V artificial intelligence servers
With the advancements in artificial intelligence (AI) and machine learning (ML), enterprise servers have become power-intensive as these servers simultaneously process a large amount of data and storage. The steady-state power rating of each server motherboard has gone up 5kW to 6kW, in contrast to (...)
Off-battery processor power reference design for ADAS and infotainment applications
Seamless switchover for backup power reference design
The TIDA-01638 referencedesign showcases Power MUXing with redundant power. If one power source fails, the system needs to switchover to a backup power source and provide an uninterrupted source of power to downstream loads. Therefore, power redundancy ensures that if one power supply were to fail, (...)