switching regulator
Analog Devices offers boost, buck, inverting, SEPIC and buck-boost DC/DC converters. We also offer flyback, forward, and isolation controllers for isolated power designs. We also offer DDR/QDR memory/bus termination regulators and LCD/CCD/OLED bias power supply ICs that are tailored to specific applications. We are here.
DC-DC converter that achieves high efficiency of 97% in the 240W class using the latest technology
Flyback regulator that can use general-purpose transformer
Plus/minus power supply design
Maximum output 100A! Large Current, High Efficiency, Small Power Supply Module LTM4700
List of products and technical articles related to power supplies
LTpowerCAD®
LTpowerCAD® is a power supply design tool that can greatly reduce power supply design. LTpowerCAD ® uses Analog Devices power supply products to select a device according to the customer's power supply specifications and provides a function to automatically calculate the recommended values for the constants of the device's peripheral circuits. It is also possible to perform efficiency calculations and optimization of phase compensation circuits. And LTpowerCAD ® also includes LTpowerPlanner for system-wide power supply configuration and optimization.
Let's use the convenient design tool LTpowerCAD®!
LTspice®
LTspice XVII, which is provided free of charge by Analog Devices, Inc., is a high-performance SPICE-based simulator that can handle an unlimited number of nodes, and in particular, simulation of switching regulators is dramatically faster than when using a normal SPICE simulator.
In addition to having a circuit and symbol editor and waveform viewer, in addition to a rich library of passive components, it has macro models of about 2000 types of ADI products. And high-speed simulation such as efficiency calculation and power calculation can be performed.
Battery management (battery management)
Analog Devices battery chargers can be used with rechargeable battery chemistries including Li-Ion, LiFePO4, lead-acid, and nickel-based. In addition to charging the battery, the battery backup manager can instantly switch to the battery to smoothly supply backup power to the system in the event of a system power failure.
The battery cell balancer includes a unique level-shifting SPI compatible serial interface. Active balancing allows capacity recovery for mismatched batteries. We also offer wireless charging solutions.
current source
ADI's constant current source products offer products capable of supplying up to 3,000mA. It can be used for many applications such as high-precision analog circuits and LED drivers, and has built-in protection circuits against voltage, current, and heat, so you can design with confidence.
Energy harvesting
Analog Devices offers power management ICs that operate at ultra-low power consumption for energy harvesting applications. It has a function to charge batteries and storage elements with weak energy obtained from vibration, heat and sunlight, and a function to efficiently convert the power accumulated in the storage elements to the desired voltage and supply power to applications. .
Energy harvesting power management IC for IoT solutions
Application examples developed using power management ICs for energy harvesting
Inductorless (charge pump) DC/DC converter
ADI's charge pump products include step-down and inverting converters in addition to boost converters, and we have products that can obtain regulated output and products that can handle up to 500mA.
isoPower®
iso Power ® Devices using technology are unique i Coupler ® It utilizes a chip scale transformer to integrate an isolated DC/DC converter and data isolator into a single package, making it very easy to use. i Coupler ® Isolation products based on are safe and reliable, with over 1 billion channels shipped, making them ideal for replacing circuits using optocouplers.
LDO linear voltage regulator
Analog Devices low-dropout (LDO) linear voltage regulators feature ultra-low dropout, fast transient response, and excellent line and load regulation characteristics for power-hungry, FPGA-like voltage accuracy demands Great for board design. In addition, many products have low noise and good PSRR characteristics, making them ideal for circuit design that requires low noise power supplies such as high-speed digital signal circuits, analog circuits, and RF circuits.
Notes on Power Supply Sequence for FPGA (LDO Edition)
How to use a linear regulator with less heat
LDO LT3045・LT3094 suitable for high-precision sensors and analog circuits
LED driver IC
Charge pump type or switching regulator based LED drivers are available. In terms of topologies, besides boost, there are drivers that support buck, buck-boost, and SEPIC, all of which achieve high efficiency. It enables series/parallel connection of various LEDs, and there are products that support analog input and PWM input for dimming, and there is also a lineup that achieves a dimming ratio of 5000:1.
LED driver "LTM8042/LTM8042-1" with PWM dimming up to 1A and 3000:1
CN0410 Compact and Highly Functional LED Driver: ADI's Convenient Practical Circuit
Multi-function & PMIC
Products in this category offer multiple combinations of battery chargers, DC/DC converters, LDOs and PowerPath as power supply solutions, helping customers shorten product development and reduce board space. PowerPath control also enables seamless power switching between various input sources such as wall adapters, USB ports, and lithium batteries, ensuring consistent power supply to system loads.
ADP5072 with Independent Control of Positive and Negative Power Supplies
power controller
This category includes Bridge Drivers, Fan Speed Controllers, Offline Controllers/PFCs, PCMCIA Switches and Drivers, PWM Controllers, Secondary Side Controllers and VID Voltage Programmers.
supercapacitor charger
An integrated circuit for charging a supercapacitor (also called an ultracapacitor). Charging circuits are available in both linear and switching topologies. With various protection features such as input or output current limiting and automatic cell balancing, it is ideal for charging supercapacitors.
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