Ideal diode & ORing controllers
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Our ideal diode and ORing controllers offer space-saving and scalable solutions to protect your system against reverse voltage or reverse current. These devices significantly reduce the energy typically lost across the forward voltage drop of traditional discrete silicon or Schottky diodes.
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Reverse polarity protectors
Ideal diode controller
Featured ideal diodes and ORing controllers
Benefits of ideal diode & ORing controllers
Technical Resources
Basics of Ideal Diodes (Rev. B)
Six System Architectures With Robust Reverse Battery Protection
Eliminate the Voltage Drop and Save Power: An Ideal Diode (Rev. A)
Discover featured applications
Design power-dense, full-featured battery input protection for your ADAS
Now that electronic control units have more processing power, traditional protection solutions such as Schottky diodes and P-channel field-effect transistors (FETs) are not viable options. Our ideal diodes protect downstream devices and systems with high system efficiency, improved thermal management and a very small size.
Benefits:
- Adjustable current limits, 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-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
- PMP10750 – System Level Power Reference Design for 20-W ADAS system with Automotive Protections
- 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
Tackle increasing automotive electrical demands with reliable, full-featured zonal modules and power distribution systems
As vehicles incorporate more electronics and features, efficiency in weight, space and power become increasingly important. Our ideal diodes help you design highly scalable and efficient solutions with complete input power-path protection.
Benefits:
- Protection against transient events such as reverse current and polarity, inrush current, undervoltage and overvoltage, and overcurrent/short circuits.
- Replacing discrete diodes and field-effect transistors (FET) increases system efficiency, reduces thermal losses, and saves printed circuit board space.
Featured resources
- TIDA-020015 – 4.5-V to 65-V input, compact bias supply with power stage reference design for IGBT/SiC gate drivers
- TIDA-00745 – 15-W System-Level Power Reference Design for Automotive Body Control Module
- LM74900-Q1 – Automotive ideal diode with circuit breaker, under- and overvoltage protection with fault output
- LM74700-Q1 – 3.2-V to 65-V, 80-uA IQ automotive ideal diode controller
Reduce power loss in PC & Notebook input power paths using ideal diode ORing controllers
TI ideal diode and ORing controllers help simplify source redundancy and input power-path protection in modern PC designs. By enabling smooth power handoff between multiple inputs while minimizing voltage drop and power loss, they support efficient and reliable system operation in space-constrained platforms.
Benefits:
- Enables low-loss ideal diode operation across input power paths.
- Advanced reverse current protection with minimal voltage drop compared to traditional diodes.
- Supports compact and efficient ORing implementations for notebook PC power architectures.
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
- LM7310 – 2.7-V to 23-V, 28-mΩ, 5.5-A load switch with integrated ideal diode & overvoltage protection
- LM74502 – 3.2-V to 65-V industrial RPP controller with load disconnect and OVP
- LM74700D-Q1 – Automotive, 3.2-V to 70-V, 80-µA reverse battery protection ideal diode controller
Reliably protect battery components and subsystems with highly integrated, power-dense protection ICs
Our ideal diodes make power system design easier by bringing necessary protection features together into a single, highly-integrated IC. This enables electric vehicle makers to meet critical safety requirements and customer demand in parallel.
Benefits:
- Undervoltage/overvoltage, inrush current, reverse current and polarity, and overcurrent and short-circuit protection.
- Small, power-dense packaging.
- Internal or external field-effect transistor (FET) options.
Featured resources
- TIDA-020014 – HEV/EV traction inverter power stage with 3 types of IGBT/SiC bias-supply solutions reference design
- TIDA-020015 – 4.5-V to 65-V input, compact bias supply with power stage reference design for IGBT/SiC gate drivers
- LM74900-Q1 – Automotive ideal diode with circuit breaker, under- and overvoltage protection with fault output
- LM74700-Q1 – 3.2-V to 65-V, 80-uA IQ automotive ideal diode controller
Create an immersive in-vehicle experience through high-quality audio systems
A stable and reliable power supply has enabled vehicles to offer more features that enhance the driving experience, including entertainment provided by audio systems. Our ideal diodes deliver what's important to audio system designs: reliable protection and power density.
Benefits:
- Reverse current and polarity protection, inrush and linear current control, and overvoltage protection.
- Small packaging helps audio systems achieve high power and performance in small spaces.
Featured resources
- TIDA-020033 – Automotive Class-H audio and tracking power supply reference design
- TIDA-020040 – Automotive transient and overcurrent protection filter reference design
- LM74910-Q1 – Automotive ideal diode with circuit breaker, 200-kHz ACS and under- and overvoltage protection
- LM74900-Q1 – Automotive ideal diode with circuit breaker, under- and overvoltage protection with fault output
- LM7481-Q1 – Automotive ideal diode controller with active rectification driving B2B NFETs
Design & development resources
LM74700-Q1 3.2-V to 65-V, 80-μA IQ automotive ideal diode controller (DDF package) evaluation module
The LM74700DDFEVM helps designers evaluate the operation and performance of the LM74700-Q1 3.2-V to 65-V, 80-μA IQ automotive ideal diode controller (DDF package). This evaluation module demonstrates how an N-channel power MOSFET can emulate a very-low forward voltage diode with low IQ and (...)
LM74500-Q1 3.2-V to 65-V, 80-μA IQ reverse polarity protection controller evaluation module
The LM74500-Q1 evaluation module (LM74500Q1EVM) helps designers evaluate the operation and performance of the LM74500-Q1 reverse polarity protection controller. This evaluation module demonstrates how an N-channel power MOSFET can be used to realize input reverse voltage protection with low IQ (...)