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MP5520 2.7-16V Power Loss Protection Management IC QFN-37
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pMPS MP5520 — Power Loss Protection Management IC, 2.7-16V input, QFN-37./p
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MP5520 2.7-16V Power Loss Protection Management IC QFN-37
The MPS MP5520 is a Power Loss Protection Management IC. It operates from a 2.7 V to 16 V input. It is supplied in a QFN-37 package.
The MP5520 is a high-efficiency, monolithic converter designed for power management in enterprise and datacenter SSDs.
Key Specifications
| Part Number | MP5520 |
| Function | Power Loss Protection Management IC |
| Input Voltage | 2.7 V to 16 V |
| Package | QFN-37 |
| Ordering Codes | MP5520 |
Features
- 36V Charge and Backup Converter (PLP): o Supports Up to 36V VSTRG o Charge Operation
- External Pin to Set VSTRG and Power Failure Threshold
- Configurable Charging Current o Backup Operation:
- Up to 10A Peak Current Capability
- Up to 7A Valley Current Capability
- Configurable fSW
Typical Application Circuit
Applications
- Enterprise Solid-State Drives (SSDs)
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 MP5520 support?
2.7 V to 16 V.
Which package and ordering codes apply to the MP5520?
QFN-37; order codes include MP5520.
What are the defining features of the MP5520?
36V Charge and Backup Converter (PLP): o Supports Up to 36V VSTRG o Charge Operation External Pin to Set VSTRG and Power Failure Threshold
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