Disconnect circuit for 12 volt lead acid and lithium batteries

Disconnect circuit for 12 volt lead acid and lithium batteries

KA7OEI designed a circuit that disconnects the battery when it over-discharges.


Power by mixos
Dual output step-down charge pump operates without inductors

Dual output step-down charge pump operates without inductors

Linear Technology’s LTC3256 is a high voltage low noise dual output power supply, which takes a single positive input and g...


Power by mixos
iPhone Battery Charger / Tester

iPhone Battery Charger / Tester

mozzwald.com has designed an iphone battery charger /tester.


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Build a $1 per Watt parallelizable MPPT controller

Build a $1 per Watt parallelizable MPPT controller

Jonathan Bruneau designed a $1/W maximum power point tracker used to extract maximum power from solar panels and published his...


Silicon-air Battery A New Achievement in Energy Storage Area

Silicon-air Battery A New Achievement in Energy Storage Area

Researchers from Jülich Research Center (Jülich, Germany) announced their new invention, a silicon-air battery.


Bq501210 the Wireless Power Transmitter from TI

Bq501210 the Wireless Power Transmitter from TI

Texas Instruments (TI) announced the Qi-Certified Wireless Power (WPC) v1.2 solution for 15-W operation wireless power...


CP2102N – The Latest USB Controller From Silicon Labs

CP2102N – The Latest USB Controller From Silicon Labs

Recently, Silicon Labs announced a new USB controller called CP2102N which is part of the USBXpress™ bridge devices family.


Circuit delivers constant power to a load

Circuit delivers constant power to a load

Kiril Karagiozov @ edn.com has a circuit idea that is able to deliver constant power to a load.


Diode or MOSFET as a Reversed Voltage Protector

Diode or MOSFET as a Reversed Voltage Protector

Diode or P-channel MOSFET is what you need to protect your circuit from applying reversed voltage, according to a nice video...


Dual Adjustable Regulated power supply 1.2V TO 37V DC

Dual Adjustable Regulated power supply 1.2V TO 37V DC

This project is a solution to power up most of devices or projects requiring dual (+/-) adjustable power supply.


LT8335 – Converter minimizes quiescent current

LT8335 – Converter minimizes quiescent current

Outfitted with a 2-A, 28-V power switch, the LT8335 2-MHz step-up DC/DC converter from Linear Technology operates from an input...


ICs Power by mixos
Not a battery or a supercap, but a ‘thin laminate energy device’

Not a battery or a supercap, but a ‘thin laminate energy device’

Murata’s UMAL is a low-profile high capacity energy device.