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MP86905 4.5-16V, 50A Intelli-PhaseTM Solution QFN-23
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pMPS MP86905 — Intelli-PhaseTM Solution, 4.5-16V input, 50 A output, QFN-23./p
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MP86905 4.5-16V, 50A Intelli-PhaseTM Solution QFN-23
The MPS MP86905 is a Intelli-PhaseTM Solution. It operates from a 4.5 V to 16 V input and is rated for 50 A. It is supplied in a QFN-23 package.
The MP86905 is a monolithic half-bridge with built-in internal power MOSFETs and gate drivers.
Key Specifications
| Part Number | MP86905 |
| Function | Intelli-PhaseTM Solution |
| Input Voltage | 4.5 V to 16 V |
| Current Rating | 50 A |
| Interface | PWM |
| Package | QFN-23 |
| Ordering Codes | MP86905 |
Features
- Wide 4.5V to 16V Operating Input Range
- 50A Output Current
- Current Sense with Accu-SenseTM
- Temperature Sense
- Accepts Tri-State PWM Signal
- Current-Limit Protection
- Over-Temperature Protection (OTP)
- Fault Reporting
- Available in an FC-QFN (4mmx4mm) Package
Typical Application Circuit
Applications
- Server Core Voltage
- Graphic Card Core Regulators
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 MP86905 support?
4.5 V to 16 V. The rated output is 50 A.
Which package and ordering codes apply to the MP86905?
QFN-23; order codes include MP86905.
What are the defining features of the MP86905?
Wide 4.5V to 16V Operating Input Range 50A Output Current
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