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UCD90120A

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Stromversorgungssequenzer und Monitor für 12 Schienen mit ACPI-Unterstützung

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UCD90120A

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Produktdetails

Number of supplies monitored 13 Number of sequenced outputs 12 Rating Catalog Iq (typ) (mA) 50 Operating temperature range (°C) -40 to 125
Number of supplies monitored 13 Number of sequenced outputs 12 Rating Catalog Iq (typ) (mA) 50 Operating temperature range (°C) -40 to 125
VQFN (RGC) 64 81 mm² (9 mm × 9 mm)
  • Monitor and Sequence 12 Voltage Rails
    • All Rails Sampled Every 400 µs
    • 12-bit ADC With 2.5-V, 0.5% Internal VREF
    • Sequence Based on Time, Rail and Pin Dependencies
    • Four Programmable Undervoltage and Overvoltage Thresholds per Monitor
  • Nonvolatile Error and Peak-Value Logging per Monitor (up to 12 Fault Detail Entries)
  • Closed-Loop Margining for 10 Rails
    • Margin Output Adjusts Rail Voltage to Match User-Defined Margin Thresholds
  • Programmable Watchdog Timer and System Reset
  • Flexible Digital I/O Configuration
  • Pin-Selected Rail States
  • Multiphase PWM Clock Generator
    • Clock Frequencies From 15.259 kHz to
      125 MHz
    • Capability to Configure Independent Clock Outputs for Synchronizing Switch-Mode Power Supplies
  • JTAG and I2C/SMBus/PMBus™ Interfaces
  • Monitor and Sequence 12 Voltage Rails
    • All Rails Sampled Every 400 µs
    • 12-bit ADC With 2.5-V, 0.5% Internal VREF
    • Sequence Based on Time, Rail and Pin Dependencies
    • Four Programmable Undervoltage and Overvoltage Thresholds per Monitor
  • Nonvolatile Error and Peak-Value Logging per Monitor (up to 12 Fault Detail Entries)
  • Closed-Loop Margining for 10 Rails
    • Margin Output Adjusts Rail Voltage to Match User-Defined Margin Thresholds
  • Programmable Watchdog Timer and System Reset
  • Flexible Digital I/O Configuration
  • Pin-Selected Rail States
  • Multiphase PWM Clock Generator
    • Clock Frequencies From 15.259 kHz to
      125 MHz
    • Capability to Configure Independent Clock Outputs for Synchronizing Switch-Mode Power Supplies
  • JTAG and I2C/SMBus/PMBus™ Interfaces

The UCD90120A is a 12-rail PMBus/I2C addressable power-supply sequencer and monitor. The device integrates a 12-bit ADC for monitoring up to 12 power-supply voltage inputs. Twenty-six GPIO pins can be used for power supply enables, power-on reset signals, external interrupts, cascading, or other system functions. Twelve of these pins offer PWM functionality. Using these pins, the UCD90120A offers support for margining, and general-purpose PWM functions.

Specific power states can be achieved using the Pin-Selected Rail States feature. This feature allows with the use of up to 3 GPIs to enable and disable any rail. This is useful for implementing system low-power modes and the Advanced Configuration and Power Interface (ACPI) specification that is used for hardware devices.

The TI Fusion Digital Power™ designer software is provided for device configuration. This PC-based graphical user interface (GUI) offers an intuitive interface for configuring, storing, and monitoring all system operating parameters.

The UCD90120A is a 12-rail PMBus/I2C addressable power-supply sequencer and monitor. The device integrates a 12-bit ADC for monitoring up to 12 power-supply voltage inputs. Twenty-six GPIO pins can be used for power supply enables, power-on reset signals, external interrupts, cascading, or other system functions. Twelve of these pins offer PWM functionality. Using these pins, the UCD90120A offers support for margining, and general-purpose PWM functions.

Specific power states can be achieved using the Pin-Selected Rail States feature. This feature allows with the use of up to 3 GPIs to enable and disable any rail. This is useful for implementing system low-power modes and the Advanced Configuration and Power Interface (ACPI) specification that is used for hardware devices.

The TI Fusion Digital Power™ designer software is provided for device configuration. This PC-based graphical user interface (GUI) offers an intuitive interface for configuring, storing, and monitoring all system operating parameters.
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Die aktuellste UCD90xxx PMBus™-Befehlsreferenz finden Sie unter https://www.ti.com/fusiondocs

Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt UCD90120A 12-Rail Power Supply Sequencer and Monitor With ACPI Support datasheet (Rev. C) PDF | HTML 09.06.2016
Anwendungshinweis How to Interpret UCD90XXX CSV File PDF | HTML 29.05.2024
Anwendungshinweis How to Access UCD90XXX Sequencers GPIO PDF | HTML 16.06.2022
Anwendungshinweis How to Decode UCD90xxx Fault Log With PMBus (Rev. A) 07.11.2019
Anwendungshinweis Design Voltage Margining Circuit for UCD90xxx Power Sequencer and System Manager (Rev. A) 21.05.2019
Anwendungshinweis UCD90xxx Family Frequently Asked Questions and Answers (Rev. B) 12.04.2019
Benutzerhandbuch UCD90xxx Sequencer and System Health Controller PMBus™ Command Reference (Rev. G) 03.04.2019
Benutzerhandbuch UCD90xxx Sequencer Schematics Guidelines (Rev. C) PDF | HTML 24.03.2019
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Anwendungshinweis How to Cascade Multiple UCD90xxx Sequencers 10.08.2017
Benutzerhandbuch Fusion Digital Power Designer GUI 7.0 for the UCD90xxx Sequencer 31.05.2017
Technischer Artikel Just the FPGA I was looking for… but how do I power it? PDF | HTML 09.11.2015
Analog Design Journal Analog Applications Journal 4Q 2014 24.10.2014
Analog Design Journal Power-supply sequencing for FPGAs 24.10.2014
Prüfbericht TI Power Reference Design for Xilinx® Artix®-7 (AC701) 12.05.2014
Benutzerhandbuch PMP7977 User's Guide 11.09.2013
Benutzerhandbuch TSW2200 Multi-Output Power Supply Board (Rev. A) 13.12.2012
Anwendungshinweis Monitoring Voltage, Current and Temperature Using the UCD9012x 23.03.2012
Benutzerhandbuch UCD90SEQ64EVM-650: 64-Pin Sequencer Development Board 27.12.2010

Design und Entwicklung

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

Evaluierungsplatine

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The UCD90SEQ64EVM-650 is a fully assembled and tested circuit for evaluating the 64-pin Sequencer and System Health Controller, including the UCD90120, UCD90124, UCD90120A, UCD90124A, UCD90910 and UCD90160.

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Anwendungssoftware und Frameworks

FUSION-DIGITAL-POWER-DESIGNER — Graphical User Interface Software used to configure and monitor TI digital power controllers

Die Software Fusion Digital Power™ ist eine grafische Benutzerschnittstelle (GUI) und wird dazu verwendet, digitale Stromversorgungscontroller und Sequenzer-/Gesundheitsmonitore von Texas Instruments zu konfigurieren und zu überwachen. Die Anwendung verwendet das PMBus-Protokoll zur Kommunikation (...)

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FUSION_MFR_GUI — Fusion Digital Power-Herstellungs-Tool:

The Fusion Digital Power Manufacturing Tool (aka MFR GUI) is a Graphical User Interface used to download firmware, upgrade firmware, configure, calibrate and test .

The MFR GUI supports the same devices as Fusion Digital Power Designer software.  This tool is typically used in manufacturing (...)

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