Nanopower PMICs extend battery life for IoT applications
Two integrated nanopower PMICs for IoT applications, the DA9070 and DA9073, have been released by Dialog. The PMICs are designed for ‘always-on’ IoT devices such as fitness trackers, smartwatches and smart home products which are expected to spend less time tethered to a charger, while expanding feature sets present new challenges to battery life.
Dialog’s DA9070 and DA9073 nanopower PMICs extend battery life by drawing up to one microA quiescent current for each of its step-down regulators that power always-on components within the system. They combine all key power management functions to reduce board area by 25 per cent compared to discrete regulators. Developers can also create a battery fuel gauge with the DA9070, using the integrated voltage and current monitors.
The DA9070 and DA9073 nanopower PMICs’ power management extends battery life for IoT devices, and also minimise board area.
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