Power Reduction Modes On many microcontrollers (MCU), there will be a selection of low-power modes to choose from. Some may be more appealing than others, but careful consideration must be made on power consumption sources and the speed at which modules may resume operation. Do note that not all of these power reduction modes are […]
Part 3 – Component Selection
Power Supply A consistent but highly efficient voltage regulator is crucial in power design. While there are many regulators to choose from, each comes with its own set of tradeoffs that must be accounted for. Linear Regulators Linear regulators may appear to be a low cost and cheap solution at first glance but are flawed […]
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Part 2 – Low Power Design Battery Limitations
Battery Chemistries When searching for a battery for an application, a myriad of choices are at your feet. One of the first choices is battery chemistry. The question you must ask is, after consideration of your challenging requirements, what option is the best for my specific application? Alkaline Alkaline cells run the mill consumer battery, […]
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Part 1 – Marcus Engineering Designs Sensor With 20 Year Battery Life
Low Power Design Overview The bane of any battery-operated device, too much power draw and not enough storage capacity. If designed poorly, creating a device to last as long as the user requires will be a challenge. However, if some ingenuity and unconventional thinking are used, many new possibilities will arise and allow for the […]