Low-Power Device Development
Since 2017, we’ve been designing and developing low-power electronic devices. Most of our products are powered by batteries with capacities up to 250 mAh, and we’ve even built devices that run reliably on just a 15 mAh battery.
Developing low-power devices requires a holistic engineering approach. We begin with product concept development, keeping energy efficiency as a core requirement. Then we carefully select low-power components and craft an efficient software architecture to ensure minimal energy use throughout the device’s lifecycle.
Our design philosophy focuses on intelligent power management: the system wakes only when it needs to perform a task, completes the task quickly, then shuts down unnecessary hardware and returns to sleep mode.
Example: Power Consumption in Sleep Mode
In one of our reference devices, the system wakes every 10 seconds to check battery level and temperature. The accelerometer runs autonomously and can wake the processor when the device’s position changes. In this sleep state, average power consumption is just 5 µA.
Example: Power Consumption in Active Mode
When the device is active, the accelerometer collects data into its buffer. The processor wakes periodically to process and store this data, then goes back to sleep. Occasional radio transmission also occurs during active periods. Even then, total system consumption remains low — around 98 µA.
Reducing power consumption isn’t just a software challenge — careful hardware choices matter as well. For example, selecting the right oscillator, load capacitors, and reset circuitry helps shorten startup times and save energy every time the processor wakes.