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UCD9081

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Stromversorgungssequenzer und Monitor mit nicht flüchtiger Fehlerprotokollierung

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UCD9081

AKTIV
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Produktdetails

Number of supplies monitored 8 Number of sequenced outputs 8 Rating Catalog Iq (typ) (mA) 3 Operating temperature range (°C) -40 to 85
Number of supplies monitored 8 Number of sequenced outputs 8 Rating Catalog Iq (typ) (mA) 3 Operating temperature range (°C) -40 to 85
VQFN (RHB) 32 25 mm² (5 mm × 5 mm)
  • Single Supply Voltage: 3.3 V
  • Low Power Consumption: 3-mA Nominal Supply Current
  • Sequences and Monitors Eight Voltage Rails
  • Rail Voltages Sampled With 3.2-mV Resolution
  • Internal or External Voltage Reference
  • Four Configurable Digital Outputs for Power-On-Reset and Other Functions
  • Configurable Digital Output Polarity
  • Flexible Rail Sequencing Based on Timeline (ms), Parent Rail Regulation Window, or Parent Rail Achieving Defined Threshold
  • Independent Under- and Overvoltage Thresholds Per Rail
  • Configurable Regulation Expiration Times Per Rail
  • Flexible Alarm Processing: Ignore, Log Only, Retry n Times, Retry Continuously, Sequence, Parent Rail Can Shutdown Child Rails
  • Alarm Conditions Logged With Timestamp: Under- and Overvoltage Glitch, Sustained Under- and Overvoltage, Rail Did Not Start
  • On-Chip Flash for Storing User Data
  • Error Logging to Flash for System Failure Analysis
  • I2C™ Interface for Configuration and Monitoring
  • Microsoft Windows™ GUI for Configuration and Monitoring
  • APPLICATIONS
    • Telecommunications Switches
    • Servers
    • Networking Equipment
    • Test Equipment
    • Industrial
    • Any System Requiring Sequencing of Multiple Voltage Rails

All other trademarks are the property of their respective owners
  • Single Supply Voltage: 3.3 V
  • Low Power Consumption: 3-mA Nominal Supply Current
  • Sequences and Monitors Eight Voltage Rails
  • Rail Voltages Sampled With 3.2-mV Resolution
  • Internal or External Voltage Reference
  • Four Configurable Digital Outputs for Power-On-Reset and Other Functions
  • Configurable Digital Output Polarity
  • Flexible Rail Sequencing Based on Timeline (ms), Parent Rail Regulation Window, or Parent Rail Achieving Defined Threshold
  • Independent Under- and Overvoltage Thresholds Per Rail
  • Configurable Regulation Expiration Times Per Rail
  • Flexible Alarm Processing: Ignore, Log Only, Retry n Times, Retry Continuously, Sequence, Parent Rail Can Shutdown Child Rails
  • Alarm Conditions Logged With Timestamp: Under- and Overvoltage Glitch, Sustained Under- and Overvoltage, Rail Did Not Start
  • On-Chip Flash for Storing User Data
  • Error Logging to Flash for System Failure Analysis
  • I2C™ Interface for Configuration and Monitoring
  • Microsoft Windows™ GUI for Configuration and Monitoring
  • APPLICATIONS
    • Telecommunications Switches
    • Servers
    • Networking Equipment
    • Test Equipment
    • Industrial
    • Any System Requiring Sequencing of Multiple Voltage Rails

All other trademarks are the property of their respective owners

The UCD9081 power-supply sequencer controls the enable sequence of up to eight independent voltage rails and provides four general-purpose digital outputs (GPO). The device operates from a 3.3-V supply, provides 3.2-mV resolution of voltage rails, and requires no external memory or clock. The UCD9081 monitors the voltage rails independently and has a high degree of rail sequence and alarm response options. The sequencing of rails can be based on timed events or on timed events in conjunction with other rails achieving regulation or a voltage threshold. In addition, each rail is monitored for undervoltage and overvoltage glitches and thresholds. Each rail the UCD9081 monitors can be configured to shut down a user-defined set of other rails and GPOs, and alarm conditions are monitored on a per-rail basis.

The UCD9081 power-supply sequencer controls the enable sequence of up to eight independent voltage rails and provides four general-purpose digital outputs (GPO). The device operates from a 3.3-V supply, provides 3.2-mV resolution of voltage rails, and requires no external memory or clock. The UCD9081 monitors the voltage rails independently and has a high degree of rail sequence and alarm response options. The sequencing of rails can be based on timed events or on timed events in conjunction with other rails achieving regulation or a voltage threshold. In addition, each rail is monitored for undervoltage and overvoltage glitches and thresholds. Each rail the UCD9081 monitors can be configured to shut down a user-defined set of other rails and GPOs, and alarm conditions are monitored on a per-rail basis.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt UCD9081 8-Channel Power Supply Sequencer and Monitor With Error Logging datasheet (Rev. C) PDF | HTML 30.11.2016
Anwendungshinweis UCD9081 Programming Guide (Rev. C) PDF | HTML 04.05.2023
Benutzerhandbuch Advanced Sequencing and Monitoring Using the UCD9081 (Rev. A) 06.05.2010
Anwendungshinweis Communicating With the UCD9081; Unpowered, in System 22.12.2008
Anwendungshinweis 5 VIN solution using DCDC Controllers, a LDO, and a Digitally Prog. Sequencer 24.11.2008
Anwendungshinweis Monitoring Fan Tachometers using the UCD908x Devices 17.10.2008
Anwendungshinweis Expanded System Monitoring Functions with UCD9080 (Rev. A) 05.11.2007

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

UCD9081EVM — UCD9081EVM-Evaluierungsmodul

The UCD9081EVM facilitates evaluation of the UCD9081 Power Supply Sequencer and Monitor. The UCD9081EVM allows a user to configure sequencing and monitoring of the 8 on board power supplies or external power supplies via on board headers.
Benutzerhandbuch: PDF
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GUI für Evaluierungsmodul (EVM)

SLVC173 — UCD9081 EVM GUI exe file

Unterstützte Produkte und Hardware
GUI für Evaluierungsmodul (EVM)

SLVC490 — UCD9081 GUI Win 7

Unterstützte Produkte und Hardware
GUI für Evaluierungsmodul (EVM)

UCD9081-EVM-GUI — Graphical user interface (GUI) software used to configure and monitor TI UCD9081 sequencer EVM

Graphical user interface (GUI) software used to configure and monitor TI UCD9081 sequencer EVM
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
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