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UCD9080

AKTIV

Stromversorgungssequenzer und Monitor

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Datenblatt

UCD9080

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of supplies monitored 8 Number of sequenced outputs 8 Rating Catalog Iq (typ) (mA) 4.5 Operating temperature range (°C) -40 to 85
Number of supplies monitored 8 Number of sequenced outputs 8 Rating Catalog Iq (typ) (mA) 4.5 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
  • Sequences and Monitors up to Eight Voltage Rails
  • Rail Voltages Sampled Every 50 µs With 3.2-mV Resolution
  • Four Configurable Digital Outputs for Power-On Reset and Other Functions
  • Configurable Rail-Enable Output Polarity
  • Flexible Rail Sequencing: Timeline (ms), Parent Rail Regulation Window, Parent Rail Achieving Defined Threshold
  • Under- and Overvoltage Thresholds: Settable Per-Rail
  • Regulation Expiration Time: Settable Per-Rail
  • Flexible Rail Shutdown: Parent Rail Shutdown Can Shut Down Child Rails, Independent Rail Configuration
  • Per-Rail Alarm Conditions, With Timestamp: Under- and Overvoltage Glitch, Sustained Under- and/or Overvoltage, Rail Did Not Start
  • I2C Interface for Configuration and Monitoring
  • Microsoft™ Windows™ GUI for Configuration and Monitoring
  • APPLICATIONS
    • Telecommunications Switches
    • Servers
    • Networking Equipment
    • Test Equipment
    • Any System Requiring Sequencing of Multiple Voltage Rails

TMS320 is a trademark of Texas Instruments.
Microsoft, Windows are trademarks of Microsoft Corporation.
All other trademarks are the property of their respective owners.
  • Single Supply Voltage: 3.3 V
  • Low Power Consumption
  • Sequences and Monitors up to Eight Voltage Rails
  • Rail Voltages Sampled Every 50 µs With 3.2-mV Resolution
  • Four Configurable Digital Outputs for Power-On Reset and Other Functions
  • Configurable Rail-Enable Output Polarity
  • Flexible Rail Sequencing: Timeline (ms), Parent Rail Regulation Window, Parent Rail Achieving Defined Threshold
  • Under- and Overvoltage Thresholds: Settable Per-Rail
  • Regulation Expiration Time: Settable Per-Rail
  • Flexible Rail Shutdown: Parent Rail Shutdown Can Shut Down Child Rails, Independent Rail Configuration
  • Per-Rail Alarm Conditions, With Timestamp: Under- and Overvoltage Glitch, Sustained Under- and/or Overvoltage, Rail Did Not Start
  • I2C Interface for Configuration and Monitoring
  • Microsoft™ Windows™ GUI for Configuration and Monitoring
  • APPLICATIONS
    • Telecommunications Switches
    • Servers
    • Networking Equipment
    • Test Equipment
    • Any System Requiring Sequencing of Multiple Voltage Rails

TMS320 is a trademark of Texas Instruments.
Microsoft, Windows are trademarks of Microsoft Corporation.
All other trademarks are the property of their respective owners.

The UCD9080 power-supply sequencer controls the enable sequence of up to eight independent voltage rails and provides four general-purpose digital outputs. 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 UCD9080 monitors the voltage rails independently at more than a 20-kHz rate and has a high degree of rail sequence and rail error-response configurability. 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 UCD9080 monitors can be configured to shut down a user-defined set of other rails, and alarm conditions are monitored on a per-rail basis.

Figure 1 shows the UCD9080 power-supply sequencer in a typical application.

The UCD9080 power-supply sequencer controls the enable sequence of up to eight independent voltage rails and provides four general-purpose digital outputs. 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 UCD9080 monitors the voltage rails independently at more than a 20-kHz rate and has a high degree of rail sequence and rail error-response configurability. 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 UCD9080 monitors can be configured to shut down a user-defined set of other rails, and alarm conditions are monitored on a per-rail basis.

Figure 1 shows the UCD9080 power-supply sequencer in a typical application.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 8-Channel Power Supply Sequencer and Monitor datasheet (Rev. E) 06.05.2008
Anwendungshinweis Communicating With the UCD9081; Unpowered, in System 22.12.2008
Anwendungshinweis Monitoring Fan Tachometers using the UCD908x Devices 17.10.2008
Benutzerhandbuch UCD9080 Power Supply Sequencer and Monitor EVM (Rev. A) 07.02.2008
Anwendungshinweis Programming the UCD9080 10.12.2007
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)

SLVC154 — UCD9080 EVM GUI-2.3

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN (RHB) 32 Ultra Librarian
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