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MP8003A Interface Controller QFN-10
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pMPS MP8003A — Interface Controller, QFN-10./p
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MP8003A Interface Controller QFN-10
The MPS MP8003A is a Interface Controller. It is supplied in a QFN-10 package.
The MP8003A is an IEEE, 802.3af/at, Power over Ethernet (PoE) compliant, powered device (PD), interface controller.
Key Specifications
| Part Number | MP8003A |
| Function | Interface Controller |
| Package | QFN-10 |
| Ordering Codes | MP8003A |
Features
- Compatible with 802.3af/at Specifications
- 100V, 0.48Ω Integrated Pass Switch
- 120mA Inrush Current Limit
- 840mA Operation Current Limit
- 2-Event Classification
- Auxiliary Adapter O-Ring Power Supply
- Self-Driving Power Good Inductor
- Open-Drain Type-2 PSE Indicator
- Over-Temperature Protection (OTP)
- Available in QFN-10 (3mmx3mm) Package
Typical Application Circuit
Applications
- IEEE 802.3af/at-Compliant Devices
- Security Cameras
- VoIP Phones
- WLAN Access Points
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
Which package and ordering codes apply to the MP8003A?
QFN-10; order codes include MP8003A.
What are the defining features of the MP8003A?
Compatible with 802.3af/at Specifications 100V, 0.48Ω Integrated Pass Switch
Shenzhen Gaorunxin Technology Co., Ltd
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