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MP5493 - Synchronous Buck Supercapacitor Charger/Boost

General Description

The MP5493 is an energy backup and management unit that provides a very compact and efficient energy management solution for the power line carrier (PLC) in power meters.

Key Features

  • Wide 5V to 36V Operating Input Voltage (VIN).
  • Real-Time Input Shutdown Detection to Enable Boost Mode.
  • Input Status Indicator.
  • Buck Converter: o 600mA Continuous Output Current (IOUT) o 600mΩ/320mΩ Internal Power MOSFETs o Power-Save Mode for Light Loads o Internal Soft Start (SS) o Low-Dropout (LDO) Mode o Short-Circuit Protection (SCP) with Hiccup Mode o Adjustable Output from 0.8V.
  • Bidirectional Converter for Supercapacitor Charger and Boost o 600.

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Part Number Description
MP5493GJ Synchronous Buck Supercapacitor Charger/Boost
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DESCRIPTION The MP5493 is an energy backup and management unit that provides a very compact and efficient energy management solution for the power line carrier (PLC) in power meters. The MP5493 consists of a buck DC/DC converter combined with a bidirectional DC/DC converter that supports a supercapacitor charger and boost topology. The MP5493 uses the bidirectional converter to achieve optimal energy transfer and to provide the most costeffective energy storage solution. The MP5493 achieves high power conversion efficiency across a wide load range by scaling down the switching frequency (fSW) under lightload conditions to reduce switching and gate driving losses. Thermal shutdown provides reliable and fault-tolerant operation. The MP5493 is available in a cost-effective TSOT23-8 package.