MP5493
36V, 0.6A, 550kHz, Synchronous Buck Supercapacitor Charger and Boost for PLC Mode
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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 one buck DC/DC converter combined with one 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 cost-effective energy storage solution.
The MP5493 achieves high power conversion efficiency across a wide load range by scaling down the switching frequency (fSW) under light-load conditions to reduce switching and gate driver losses. Thermal shutdown provides reliable and fault-tolerant operation.
The MP5493 is available in a cost-effective TSOT23-8 package.
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Features & Benefits
- Wide 5V to 36V Operating Input Voltage (VIN) Range
- Real-Time Input Shutdown Detection to Enable Boost Mode
- Input Status Indicator
- Buck Converter:
- 600mA Continuous Output Current (IOUT)
- 600mΩ/320mΩ Internal Power MOSFETs
- Power-Save Mode for Light Loads
- Internal Soft Start (SS)
- Low-Dropout Mode
- Short-Circuit Protection (SCP) with Hiccup Mode
- Adjustable Output from 0.8V
- Bidirectional Converter for Supercapacitor Charger and Boost
- 600mΩ/320mΩ Internal Power MOSFETs
- Adjustable Output from 1.2V for Supercapacitor Charger
- Over-Temperature Protection (OTP)
- Available in a TSOT23-8 Package

Active Part Numbers:
MP5493GJ-Z MP5493GJ-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP5493 Resources
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