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MP5493 5-36V, 0.6A Synchronous Buck Supercapacitor Charger and Boost TSOT23
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pMPS MP5493 — Synchronous Buck Supercapacitor Charger and Boost, 5-36V input, 0.6 A output, TSOT23./p
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MP5493 5-36V, 0.6A Synchronous Buck Supercapacitor Charger and Boost TSOT23
The MPS MP5493 is a Synchronous Buck Supercapacitor Charger and Boost. It operates from a 5 V to 36 V input, is rated for 0.6 A and switches at 550 kHz. It is supplied in a TSOT23 package.
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 Specifications
| Part Number | MP5493 |
| Function | Synchronous Buck Supercapacitor Charger and Boost |
| Input Voltage | 5 V to 36 V |
| Current Rating | 0.6 A |
| Switching Frequency | 550 kHz |
| Package | TSOT23 |
| Ordering Codes | MP5493 |
Features
- Wide 5V to 36V Operating Input Voltage (VIN)
- Real-Time Input Shutdown Detection to Enable Boost Mode
- Input Status Indicator
- Bidirectional Converter for Supercapacitor Charger and Boost o 600mΩ/320mΩ Internal Power MOSFETs o Adjustable Output from 1.2V for Supercapacitor Charger
- Over-Temperature Protection (OTP)
- Available in a TSOT23-8 Package Optimized Performance with MPS Inductor MPL-AL4020 Series, MPL-SE5040 Series, and MPL-SE6040 Series
Typical Application Circuit
Applications
- PLC Modules
- Power Meters
- Backup Capacitor Systems
Design Notes
- Rail sequencing order and delay are part of the SoC power-up contract; a wrong order latches the processor even though every rail is in spec.
- In multiphase designs, current balance depends on the loop matching between phases, so keep the layout symmetric.
- Digital interfaces (PMBus, I²C) need pull-ups to the correct rail and a defined state during power-up.
- Thermal design is a system problem here: the PMIC sits next to the load it feeds, so budget the shared copper, not the package alone.
Common Questions
What input voltage does the MP5493 support?
5 V to 36 V. The rated output is 0.6 A.
Which package and ordering codes apply to the MP5493?
TSOT23; order codes include MP5493.
What are the defining features of the MP5493?
Wide 5V to 36V Operating Input Voltage (VIN) Real-Time Input Shutdown Detection to Enable Boost Mode
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