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Product Detailed Parameters
- Description：19A, 600KHZ, 22V OUTPUT RANGE, S
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Controller (PD)
- Number of Channels：1
- Power - Max：-
- Internal Switch(s)：Yes
- Auxiliary Sense：Yes
- Standards：802.3af (PoE)
- Voltage - Supply：0V ~ 57V
- Current - Supply：450µA
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-VFQFN Exposed Pad
- Supplier Device Package：28-QFN (4x5)
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Overview
The MP8009AGV-Z is a Powered Device (PD) power switch IC compliant with IEEE 802.3af/at standards, designed for Power over Ethernet applications. It integrates a synchronous boost converter capable of delivering up to 19A output current with a switching frequency of 600kHz. The device supports an output voltage range of 22V and operates on input supply voltages from 0V to 57V. Key electrical parameters include a maximum on-resistance of 480 mOhms, a current limit of 840 mA, and a quiescent operating current of 450 uA. It features a maximum duty cycle of 70% and functions within a temperature range of -40°C to +125°C in a QFN-28 package.
Feature Summary
- Integrates a synchronous boost converter with an input disconnect function for efficient PoE power delivery.
- Complies with IEEE 802.3af and 802.3at standards for Powered Device classification.
- Supports wide input voltage operation ranging from 0V to 57V.
Applications
- Power over Ethernet Powered Devices
- LAN interface power management
Procurement Notes
Verify the specific suffix 'GV' against the manufacturer's official datasheet to confirm pinout and thermal pad configuration. Ensure the component meets RoHS requirements as specified in the environmental compliance documentation. Confirm that the QFN-28 package dimensions align with your PCB footprint design guidelines before finalizing procurement.
Selection Notes
Select this component when designing PoE Powered Devices requiring high current capability up to 19A. It is suitable for applications needing a synchronous boost topology with a 600kHz switching frequency. Consider the 480 mOhm on-resistance for efficiency calculations and ensure the operating environment stays within the -40°C to +125°C temperature range.
Part Context
This part belongs to the MP8009A series of power switch ICs manufactured by Monolithic Power Systems. It is categorized under Power Switch ICs for PoE/LAN applications. The device serves as a critical interface for receiving power over Ethernet cables and converting it for downstream load usage in networked equipment.
FAQ
Does the MP8009AGV-Z support both 802.3af and 802.3at standards?
Yes, the device is compliant with both IEEE 802.3af and 802.3at standards for Powered Devices.
What is the maximum output current capability of this IC?
The MP8009AGV-Z supports a maximum output current of 19A.
