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UCD90320

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Stromversorgungssequenzer und Systemmanager für PMBus mit 32 Schienen

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UCD90320

AKTIV
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Produktdetails

Number of supplies monitored 32 Number of sequenced outputs 32 Rating Catalog Iq (typ) (mA) 31.4 Operating temperature range (°C) -40 to 85
Number of supplies monitored 32 Number of sequenced outputs 32 Rating Catalog Iq (typ) (mA) 31.4 Operating temperature range (°C) -40 to 85
NFBGA (ZWS) 169 144 mm² (12 mm × 12 mm)
  • Sequence, monitor, and margin 24 voltage rails plus 8 digital rails
  • Monitor and respond to OV, UV, OC, UC, temperature, time-out, and GPI-triggered faults
  • Flexible sequence-on and off dependencies, delay time, Boolean logic, and GPIO configuration to support complex sequencing aplications
  • Four rail profiles for adaptive voltage identification (AVID) voltage regulator
  • High-accuracy closed-loop margining
  • Active trim function improves rail output voltage accuracy
  • Advanced nonvolatile event logging to assist system debugging
    • Single-event fault log (100 entries)
    • Peak value log
    • Black box fault log to save status of all rails and I/O pins at the first fault
  • Easily cascade up to 4 power sequencers and take coordinated fault responses
  • Programmable watchdog timer and system reset
  • Pin-selected rail state
  • PMBus™ 1.2 compliant
  • Dual-bank configurations to provide a fail-safe state when programming
  • Sequence, monitor, and margin 24 voltage rails plus 8 digital rails
  • Monitor and respond to OV, UV, OC, UC, temperature, time-out, and GPI-triggered faults
  • Flexible sequence-on and off dependencies, delay time, Boolean logic, and GPIO configuration to support complex sequencing aplications
  • Four rail profiles for adaptive voltage identification (AVID) voltage regulator
  • High-accuracy closed-loop margining
  • Active trim function improves rail output voltage accuracy
  • Advanced nonvolatile event logging to assist system debugging
    • Single-event fault log (100 entries)
    • Peak value log
    • Black box fault log to save status of all rails and I/O pins at the first fault
  • Easily cascade up to 4 power sequencers and take coordinated fault responses
  • Programmable watchdog timer and system reset
  • Pin-selected rail state
  • PMBus™ 1.2 compliant
  • Dual-bank configurations to provide a fail-safe state when programming

The UCD90320 device is a 32-rail PMBus™ addressable power sequencer and system manager in a compact 0.8-mm pitch BGA package.

The 24 integrated ADC channels (AMONx) monitor the power supply voltage, current, and temperature. Of the 84 GPIO pins, 8 can be used as digital monitors (DMONx), 32 to enable the power supply (ENx), 24 for margining (MARx), 16 for logical GPO, and 32 GPIs for cascading, and system function.

The 32 ENx pins and the 16 LGPOx pins can be configured to be active driven or open drain outputs.

Nonvolatile event logging preserves fault events after power dropout. Black box fault log feature preserves the status for all rails and I/O pins when the first fault occurs. The cascading feature offers convenient ways to manage up to 128 voltage rails through one SYNC_CLK pin connection.

The FAULT pin coordinates the cascaded devices to take synchronized fault responses. The pin-selected rail states feature uses up to 3 GPIs to control up to eight user-defined power states. These states can implement system low-power modes as outlined in the Advanced Configuration and Power Interface (ACPI) specification.

The TI Fusion Digital Power™ designer software is an intuitive PC-based graphic user interface (GUI) that can configure, store, and monitor all system operating parameters.

The UCD90320 device is a 32-rail PMBus™ addressable power sequencer and system manager in a compact 0.8-mm pitch BGA package.

The 24 integrated ADC channels (AMONx) monitor the power supply voltage, current, and temperature. Of the 84 GPIO pins, 8 can be used as digital monitors (DMONx), 32 to enable the power supply (ENx), 24 for margining (MARx), 16 for logical GPO, and 32 GPIs for cascading, and system function.

The 32 ENx pins and the 16 LGPOx pins can be configured to be active driven or open drain outputs.

Nonvolatile event logging preserves fault events after power dropout. Black box fault log feature preserves the status for all rails and I/O pins when the first fault occurs. The cascading feature offers convenient ways to manage up to 128 voltage rails through one SYNC_CLK pin connection.

The FAULT pin coordinates the cascaded devices to take synchronized fault responses. The pin-selected rail states feature uses up to 3 GPIs to control up to eight user-defined power states. These states can implement system low-power modes as outlined in the Advanced Configuration and Power Interface (ACPI) specification.

The TI Fusion Digital Power™ designer software is an intuitive PC-based graphic user interface (GUI) that can configure, store, and monitor all system operating parameters.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt UCD90320 32-Rail PMBus Power Sequencer and System Manager datasheet (Rev. C) 11.03.2020
* Benutzerhandbuch UCD90320 Sequencer and System Health Controller PMBus Command Reference (Rev. C) PDF | HTML 26.02.2020
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 Improvements to the UCD90320 Device 01.07.2019
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 Schematics Guidelines (Rev. C) PDF | HTML 24.03.2019
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 Sequencing and managing multiple power rails in a system: common questions answere PDF | HTML 01.02.2017
Technischer Artikel Reducing solution size with PMBus in multi-rail systems PDF | HTML 04.11.2016
Analog Design Journal Power-supply sequencing for FPGAs 24.10.2014
Anwendungshinweis Monitoring Voltage, Current and Temperature Using the UCD9012x 23.03.2012

Design und Entwicklung

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

Evaluierungsplatine

UCD90320EVM-783 — UCD90320 Stromversorgungssequenzer und Systemmanager-Evaluierungsmodul mit Margining

UCD90320EVM-783 ist für die Evaluierung des UCD90320 ausgelegt, eines Stromversorgungssequenzers und Systemmanagers für einen PMBus (Power-Management-Bus) mit 32 Schienen. Der Zugriff auf alle E/A-Pins erfolgt über Steckerleisten zur Integration in komplexe Systeme mit Jumperdrähten. UCD90320EVM (...)

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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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Simulationsmodell

UCD90320 BSDL Model (Rev. A)

SLUM618A.ZIP (6 KB) - BSDL-Modell
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Berechnungstool

SLVC676 — UCD90xxx Voltage Margining Circuit Design Tool

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
NFBGA (ZWS) 169 Ultra Librarian
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