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Monolithic Power Systems (MPS) EV3924 Evaluation Tool

Monolithic Power Systems (MPS) EV3924 Evaluation Tool is designed to demonstrate the capabilities of the MP3924. The MP3924 is a quad-port, IEEE 802.3af/at-compliant, power sourcing equipment (PSE) controller for power over Ethernet (PoE) applications. The MP3924 has all the IEEE 802.3af/at functions, including detection, one-event classification, two-event classification, current limiting, and disconnected load detection. All of the functions can be configured via the I2C for automatic mode or software program mode.

Features

  • 44V to 57V input voltage (VIN) range
  • IEEE802.3af/at-compliant powered device (PD) load
  • Quad-port controller
  • 4-bit configurable I2C address
  • 0.25Ω current sense resistor
  • Automatic mode
  • I2C command control mode
  • Automatic input over-power shutdown
  • Internal VCC power supply
  • Three-wire I2C interface for isolated applications
  • Two interrupts (INT) pins for interrupt priority selection
  • Disconnected DC load detection
  • Instantaneous current/voltage readout
  • Thermal protection
  • Available in a QFN-32 (5mm × 5mm) package

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Monolithic Power Systems (MPS) EV3924 Evaluation Tool