Nowi adds automatic MPPT to energy harvesting power chip

Nowi adds automatic MPPT to energy harvesting power chip

Technology News |
By Nick Flaherty

Dutch chip designer Nowi has launched its latest energy harvesting power management chip (PMIC) with more automated functions and integration.

The NH16D3045 Diatom is an inductorless design with integrated power management functions to reduce the implementation cost and area required. The 4x4mm device has a wide power input range from microwatts to milliwatts and a unique fast MPPT power tracking algorithm that can find the optimum efficiency point automatically.

The chip is designed to extract the power output of a wide range of DC energy harvesters including RF and motion energy generators with an input range of 280mV-4.5V. It is designed to charge a variety of energy storage elements such as rechargeable batteries or supercapacitors as well as USB with a power range from 10μW to 30mW. The cold start feature supports batteryless applications to reduce maintenance cost in industry 4.0 and IoT applications with a conversion efficiency of 95%.

The chip includes predefined configurations for and I2C communication to modify the configurations or the MPPT algorithm.

“Diatom’s inductorless design and integrated power management functionalities enable customers to further reduce the implementation cost and area required to achieve top performance,” said Simon van der Jagt, CEO at Nowi.

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