27 February - 1 March 2018 // Nuremberg, Germany

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Exhibitors & Products embedded world 2018
Zoom product LOGO_Sophisticated Power Management IC Pushes Perfomance Envelope & Enables More Effective Energy Harvesting

Sophisticated Power Management IC Pushes Perfomance Envelope & Enables More Effective Energy Harvesting

LOGO_Sophisticated Power Management IC Pushes Perfomance Envelope & Enables More Effective Energy Harvesting

Sophisticated Power Management IC Pushes Perfomance Envelope & Enables More Effective Energy Harvesting

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Following its arrival on the power semiconductor scene earlier this year, e-peas announces commercial availability of its first IC. The AEM10940 utilizes the company’s unique proprietary energy management technology in order to maximize the efficiency with which electronic hardware draws energy from the ambient environment. This device, which is now in full scale production, is set to have major implications for the various power-frugal sensing applications currently emerging – including those covering all aspects of the Internet of Things (IoT), wearable technology, home automation, industrial monitoring and wireless geolocation, etc.

The highly integrated AEM10940 comprises an ultra-low power boost converter (exhibiting industry-leading 94% efficiency levels), along with voltage reference, energy management and LDO regulator elements. Thanks to its innovative cold-start circuitry, the device can be brought into active operation even when there is minimal stored energy left – an input voltage of just 380mV and a mere 11μW of power proving to be more than sufficient.

The IC harvests available input power up to 50mW from an allocated energy source, such as a photovoltaic cell. Its boost converter (which has an input voltage range that spans from 100mV to 2.5V) exploits this for the rapid charging of any connected energy storage reserve, such as a Li-Ion battery, thin film battery, or conventional-/super-capacitor. It enables the charge rate to be almost 3x that of alternative solutions currently on the market. The 2 embedded LDO regulators deliver close to 98% current efficiency across a broad load range. Respectively, these have a low voltage and a high voltage supply associated with them. The low voltage supply (1.8V), which can provide up to 10mA load current, is typically used to drive the system’s microcontroller. Meanwhile the high voltage supply, which is configurable between 2.2V and 4.2V, can sustain up to 80mA of load current and will normally take care of tasks like powering the system’s wireless transceiver (which could be based, for example, on either BLE, Zigbee, SigFox or LoRa).

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