MAX17330X22+ Standalone 1-Cell Charger, Fuel Gauge, and Protector
https://www.electronics-lab.com/max17330x22-standalone-1-cell-charger-fuel-gauge-and-protector/
Maxim’s highly integrated charger, fuel gauge, protector, and battery internal self-discharge detection IC for 1-cell lithium-ion/polymer batteries Maxim’s MAX17330 regulates charge voltage, current, and FET temperature with stand-alone charging supported by flexible configuration in nonvolatile memory. The IC supports the following applications: low-power charging including 1 mA to 500 mA directly from universal 5 V USB, high-power parallel […]
Flexipower – A portable, Controllable, Dual Channel Power Supply
https://www.electronics-lab.com/flexipower-portable-controllable-dual-channel-power-supply/
Hobbyists, makers, students and pretty much everyone who works with electronics has encountered the same issue, not having a handy power supply to test their projects. Usually, controllable power supplies are big, expensive and for some people difficult to access, and most small power supplies are not controllable. As a result, Roberto Lo Giacco created […]
ATMEGA328 based Weather Station
https://www.electronics-lab.com/atmega328-weather-station/
Vlad @ denialmedia.ca has build a solar powered weather station based on ATMega328 microcontroller that is able to measure temperature, a humidity, and UV radiation and it uploads measurement on WeatherUnderground network. The data are send to the air using a 433MHz link. The sensors used are DHT22, ML8511, BMP180 and a TP4056 charger IC is used to […]
Power Management Solutions: Battery Chargers
https://www.electronics-lab.com/power-management-solutions-battery-chargers/
Maurizio @ dev.emcelettronica.com writes: Out of all portable devices, the most numerous are the mobile phones (Figure 1). Most of them feature Li-ion or Li-polymer accumulators and Freescale has a broad range of charger ICs dedicated to supporting all the phases of a complete recharge cycle. Generally speaking the charging of a mobile phone is […]