Simple circuit indicates health of lithium-ion batteries

Simple circuit indicates health of lithium-ion batteries

Fritz Weld @ edn.com proposes a simple circuit to check li-ion battery health.


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Boost Converters and Buck Converters: Power Electronics

Boost Converters and Buck Converters: Power Electronics

Boost Converters and Buck Converters: Power Electronics – [Link]


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StromPi, The Uninterruptible Power Supply for Raspberry Pi

StromPi, The Uninterruptible Power Supply for Raspberry Pi

It seems evident that the Raspberry Pi and its clones have filled an enormous hidden need.


MightyWatt: 70W Electronic Load for Arduino

MightyWatt: 70W Electronic Load for Arduino

Jakub designed and built a programmable electronic load for Arduino, the MightyWatt R3: MightyWatt R3 is a programmable...


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MPPT solar charger

MPPT solar charger

Lukas Fässler from Soldernerd has been working on revised version of his MPPT Solar charger project: Over the last few weeks I ...


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LT8641 – 65V, 3.5A Synchronous Step-Down Silent Switcher

LT8641 – 65V, 3.5A Synchronous Step-Down Silent Switcher

The LT8641 is a monolithic, constant frequency, current mode synchronous (external schottky diode is not necessary) step-down...


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2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current

2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current

by Graham Prophet @ eedesignnewseurope.com: Maxim Integrated has posted details of the MAX17290/MAX17292 high-efficiency,...


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BQ25504 Solar Cell LiPo Charger

BQ25504 Solar Cell LiPo Charger

by Pesky Products @ tindie.com: This is a small (0.5 x 0.5 inch) breakout board for Texas Instrument’s BQ25504 Ultra Low Power B...


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3.3V @ 1.5A Buck Regulator

3.3V @ 1.5A Buck Regulator

The circuit presented here is based on LTC3601, a high efficiency, monolithic synchronous buck regulator from Linear Technology.


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LT8315 – 560VIN Micropower No-Opto Isolated Flyback Converter

LT8315 – 560VIN Micropower No-Opto Isolated Flyback Converter

The LT8315 is a high voltage monolithic flyback regulator that simplifies the design of an isolated DC/DC converter.


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5V to 12V @400mA Boost Converter

5V to 12V @400mA Boost Converter

The circuit presented here is about a boost converter based on LM2698.


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LiFePO4wered/Solar1 – Solar power supply for IoT devices

LiFePO4wered/Solar1 – Solar power supply for IoT devices

Patrick Van Oosterwijck @ hackaday.io writes: Solar power is not trivial, especially if it needs to be reliable and have a long...


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