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UCD-POWER-SEQUENCER-STUDIO

Configure the UCD91XXX device family using the UCD Power Sequencer Studio

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Latest version
Version: 1.02.00
Release date: Jun 30, 2026
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Products
Sequencers
UCD91160 16 Rail PMBus Power Sequencer and System Manager UCD91320 32 rail PMBus power sequencer and system manager

Release Information

The UCD Power Sequencer Studio provides a graphical environment for configuring, storing, and monitoring parameters for the UCD91xxx sequencer family. UCD Power Sequencer Studio includes support for the UCD91160 and UCD91320 devices, and allows for a variety of configuration options, including:


  • Basic digital monitoring
  • Analog monitoring
  • Sequencing
  • Closed loop margining
  • Fault logging/black box fault logging with RTC configuration
  • System logic (GPI/CCGPO)
  • Boolean logic & advanced GPIOs
  • GPI state machine
  • Multi-device support/cascading
  • Fault handling
  • Temperature sensing
  • Software watchdog & system reset configuration
  • Oscilloscope/monitoring
  • Status register view
  • PMBus register map view

What's new

  • Version number now displays on the top left
  • Fixed exponent not automatically reconfiguring when a rail is changed via the all rails box at the top
  • Fixed GPI configuration not being properly saved when a previous GPI was configured
  • Fixed GUI system rails breaking when removing a rail
  • Security update to ejs node module
  • Fixed Close Loop Margining Configuration not working consistently
  • PMBUS LOG now displays registers 0xD2 (SYSTEM_RESET_CONFIG) and 0xD3 (SYSTEM_WATCHDOG_CONFIG)
  • Fault Condition Response checkboxes now appear grayed out until the Operation checkbox is selected
  • Offline Mode now allows users to use the “Download Programming File” button