Maxim Launches Regulator that Provides Supercapacitor Backup Power
Published2021.06.02 11:00Backup power control for portable and stationary applications
Provides high precision, high efficiency, and ultra-small solution size
Maxim Integrated Korea announced on the 2nd the release of the MAX38889 2.5V to 5V, 3A reversible buck/boost regulator, the third product in the Continua product family. This allows engineers to design ultra-high-efficiency, ultra-small systems that require backup power while using energy sources such as supercapacitors.
The MAX38889 regulator offers the most precise 2.5% output regulation in 5V applications and achieves peak efficiency of 94%, a 9% increase over competing solutions. Its size is also approximately one-third (218㎟) of that of competing products (606㎟), reducing component count and board space.
The new product regulates backup power for portable and stationary applications such as barcode scanners, surveillance cameras, automotive, industrial automation, and healthcare IoT. Specifically, it charges backup power sources such as supercapacitors in buck mode for applications such as smart meter readers and automotive dashboard cameras. When the main power source is depleted, the circuit automatically reverses direction to increase the supercapacitor voltage and provide system power until the main power source is restored.
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