ROHM’s Latest Technology Towards Achieving a Sustainable Society：Nano Energy™Ultra-Low Current Consumption Technology
●Recent years have seen the increased proliferation of battery-driven electronic devices, including wearables and IoT, along with portables such as smartphones. For the electronic components that comprise these sets, miniaturization is required to improve design and secure space for new functions, while lower power consumption is needed to prolong battery life.
●Configuration typically consists of a CPU in charge of overall control, sensor(s) for acquiring necessary environmental data, and wireless devices to provide communication. Optimized processing of this information makes it possible to achieve a variety of functions. In addition to these,a power supply IC is used to provide stable voltage from the battery to operate all of the various components. And since electronic devices need to immediately respond to external signals even during standby, it is necessary to include a function for continuous monitoring. To supply voltage to this function, the power supply IC must continuously operate. Consequently, the current consumption of the power IC must be reduced in order to prolong battery life.
●ROHM has developed a power supply IC that meets market needs by leveraging a vertically integrated production system along with analog design technology and power processes. These days, there is an increasing demand to achieve a sustainable society. In fact, '10-year drive on a coin battery’ has become a key phrase in the IoT and wearable fields. To respond to market needs, ROHM leveraged ultra-low current consumption technology, dubbed Nano Energy™, to develop an ultra-low power supply IC that makes it possible to achieve continuous 10-year operation on a single coin battery.
●ROHM’s BD70522GUL switching regulator utilizes Nano Energy™technology to deliver anultra-low current consumption of just 180nA (Fig. 2). Next,we will introduce Nano Energy™technology.
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021 |
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Rev.001 |
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64WP004E |
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990 KB |
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