LTC Energy Harvesting LTC Energy Harvesting
Energy Harvesting Energy Harvesting

Energy Harvesting

Energy harvesting is the use of ambient energy to power small electronic or electrical devices. The energy that is all around us, ready to be accumulated and stored for later use, is found in the form of thermal, light (solar), RF, and mechanical energy. Energy harvesting is an ideal substitute for batteries, where they are impractical or expensive and hazardous to replace.

Typical harvestable energy levels are:

Photovoltaic Office Lighting
Outdoor (Sun)
up to 100 µW / cm²
up to 100 mW / cm²
Industry (Machine)
4 µW / cm³
800 µW / cm³
Thermal EnergyHuman
25 µW / cm²
up to 1mW / cm²
RF WavesAntenna 1 µW / cm²

An energy harvesting application does not provide power on demand! Energy needs to be stored and the duty cycle of the application needs to be adjusted. More energy has to be harvested than the application would ever need!

Therefore, any energy storage solution needs a high number of charge / discharge cycles and a low self discharge rate. This can be achieved with specialized batteries or SuperCapacitors.

Arrow´s Linecard provides the right selection of suppliers for this demanding application.

Energy Generation


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DC/DC Regulator

DCDC Converter

DCDC + Battery Management




RF Wireless

Sub GHz RF

2,4 GHz RF

Ultra Low Power MCU

Pure MCU

MCU with integrated RF



News & Events


26.01.2015 - Panasonic EW: Advanced Relay Technology – Power Latching Relays

Polarized Powerrelais

Polarized relays have an integrated permanent magnet, whose field superimposes the energized coil additive. Using bistable relays a short impulse (approx. 100 ms) can switch the relay. Thus the switching status remains powerless.


12.01.2015 - Linear Technology: Multi-Sensor High Accuracy Digital Temperature Measurement System


LTC2983 high performance digital temperature measurement IC which directly digitizes RTDs, thermocouples, thermistors and external diodes with 0.1 °C accuracy and 0.001 °C resolution.


12.12.2014 - Fairchild: FSL4110LRN - 1000 V Integrated Power Switch


The FSL4110LRN is the world’s first 1000 V integrated power switch, offering the industry’s highest breakdown voltage in a single package for designing highly reliable switching mode power supplies for smart meters and industrial power supplies.


12.12.2014 - Omron: New Omron FPC/FFC connector offers easy to assemble backlock mechanism


The new Omron XF3M FPC/FFC connector is ideal for connecting LCD panels to printed circuit boards and other board-board connections in industrial equipment, home appliances, printers, LCD TVs and mobile devices. It has a simple, robust rotary backlock mechanism for quick, reliable cable insertion.


01.12.2014 - Linear Technology: LTC4079 - 60 V, 250 mA Linear Charger with Low Quiescent Current

Linear Technology: LTC4079

LTC4079 is a 60 V, constant-current constant-voltage 250 mA multi-chemistry battery charger. The device’s low quiescent current linear topology offers a simple inductorless design and accepts a wide 2.7 V to 60 V input voltage range.

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Development Tools

Infinite Power Solutions - IPS-EVAL-EH01
Infinite Power Solutions - IPS-EVAL-EH01

Infinite Power Solutions - IPS-EVAL-EH01

The IPS-EVAL-EH-01 MEC/Energy Harvesting Evaluation Kit is ideal for developing and evaluating various energy harvesting solutions for self-powered applications. This kit incorporates a THINERGY® MEC201-7S (0.7 mAh capacity) device, the MAX17710 Energy Harvesting Power Management IC (PMIC) from Maxim Integrated Products, and an amorphous silicon solar panel from Sanyo/Amorton. This kit will also connect to any external (user provided) energy harvester up to 150 mW.

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Energy Harvesting Products

Linear Technology - LTC4071
Linear Technology - LTC4071

Linear Technology - LTC4071

The LTC4071 allows simple charging of Li-Ion/Polymer batteries from very low current, intermittent or continuous charging sources. A near-zero current low battery latching disconnect function protects even the lowest capacity batteries from deep discharge and potentially irreparable damage. The 550nA to 50mA operating current makes charging possible from previously unusable sources. With its low operating current the LTC4071 is well suited to charge low capacity Li-Ion or thin film batteries in energy harvesting applications. The unique architecture of the LTC4071 allows for an extremely simple battery charger solution, requiring just one external resistor.

The LTC4071 offers a pin selectable float voltage with ±1% accuracy. The integrated thermal battery qualifier extends battery lifetime and improves reliability by automatically reducing the battery float voltage at NTC thermistor temperatures above 40°C. The LTC4071 also provides two pin selectable low battery disconnect levels and a high battery status output. The device is offered in two thermally enhanced packages, a compact low profile (0.75mm) 8-lead (2mm × 3mm) DFN and an 8-lead MSOP package.

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Texas Instruments - BQ25504
Texas Instruments - BQ25504

Texas Instruments - BQ25504

The bq25504 is the first of a new family of intelligent integrated energy harvesting Nano-Power management solutions that are well suited for meeting the special needs of ultra low power applications. The product is specifically designed to efficiently acquire and manage the microwatts (µW) to miliwatts (mW) of power generated from a variety of DC sources like photovoltaic (solar) or thermal electric generators.

The bq25504 is the first device of its kind to implement a highly efficient boost converter/charger targeted toward products and systems, such as wireless sensor networks (WSN) which have stringent power and operational demands. The design of the bq25504 starts with a DCDC boost converter/charger that requires only microwatts of power to begin operating.

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Micropelt - TGP751
Micropelt - TGP751

Micropelt - TGP751

The TGP-751 / TGP-651 are packaged Micropelt thermogenerators, which offer the superior performance of Micropelt’s thin-film, solid-state generators in a standard packaging concept.

Micropelt’s thermogenerator chips offer a very high power density, with up to 100 leg pairs per mm², and a very high output voltage of up to 1.75 V per Watt of thermal input.

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Infinite Power Solutions - MEC201
Infinite Power Solutions - MEC201

Infinite Power Solutions - MEC201

IPS' innovative THINERGY® Micro-Energy Cells (MECs) are revolutionary solid-state, rechargeable, energy storage solutions that serve a variety of vertical markets. These paper-thin MECs are flexible and provide unrivaled cycle life and power performance. Able to operate in temperatures ranging from -40ºC to +85ºC, these ultra-thin MECs offer extremely low self discharge rates, low cell resistance and high power-making THINERGY the industry leading micro-energy storage offering. THINERGY Micro-Energy Cells are ideally suited for use with all forms of ambient energy harvesting techniques for recharging-such as solar, thermal, RF, magnetic and vibration energy, delivering a safe, reusable and clean power source for today's electronic devices and systems.

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