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IR3590B - Digital Multi-Phase Redundant Controller

Description

The IR3590B is a 6-phase digital, single loop, multiphase buck controller with a feature set optimized to support redundant power supply systems.

The IR3590B includes IR’s Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost across the entire load range.

Features

  • 6-phase single loop configurable PWM Controller.
  • Serial I2C control for Vout changes.
  • Programmable Constant Current Protection.
  • Dead-phase Protection and Flag.
  • Min/Max Telemetry registers and real-time monitoring via I2C (IIN, VIN, IOUT, VOUT, Temp).
  • Improved Min/Max Telemetry Resolution.
  • Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads.
  • IR Adaptive Transient Algorithm (ATA) minimizes output bulk capacitors a.

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Full PDF Text Transcription

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Digital Multi-Phase Redundant Controller IR3590B FEATURES  6-phase single loop configurable PWM Controller  Serial I2C control for Vout changes  Programmable Constant Current Protection  Dead-phase Protection and Flag  Min/Max Telemetry registers and real-time monitoring via I2C (IIN, VIN, IOUT, VOUT, Temp)  Improved Min/Max Telemetry Resolution  Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads  IR Adaptive Transient Algorithm (ATA) minimizes output bulk capacitors and system cost  IR Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control  Auto-Phase Detection with auto-compensation  Fault Protection: Output OVP, UVP, OC Warn, OCP, OT Warn, OTP  Increased Iccmax range to 510A.
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