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UCD90320 Series

32-Rail PMBus Power Sequencer and System Manager

Manufacturer: Texas Instruments

Catalog(5 parts)

PartFunctionSecondary AttributesUtilized IC / PartTypeSupplied ContentsPackage / CaseMounting TypeOperating TemperatureOperating TemperatureReset TimeoutNumber of Voltages MonitoredOutputResetSupplier Device Package
Texas Instruments
UCD90320EVM-783
UCD90320 Power Supply Supervisor/Tracker/Sequencer Power Management Evaluation Board
Power Supply Supervisor/Tracker/Sequencer
Graphical User Interface (GUI)
UCD90320
Power Management
Board(s)
Texas Instruments
UCD90320UZWSR
Supervisor Open Drain or Open Collector 32 Channel 169-NFBGA (12x12)
Sequencer
169-LFBGA
Surface Mount
85 °C
-40 °C
2.499999993688107e-7 s
32 ul
Open Drain or Open Collector
Active Low
169-NFBGA (12x12)
Texas Instruments
UCD90320UEVM-032
UCD90320U Power Supply Supervisor/Tracker/Sequencer Power Management Evaluation Board
Power Supply Supervisor/Tracker/Sequencer
Graphical User Interface (GUI)
UCD90320U
Power Management
Board(s)
Texas Instruments
UCD90320ZWST
Supervisor Open Drain or Open Collector 32 Channel 169-NFBGA (12x12)
Sequencer
169-LFBGA
Surface Mount
85 °C
-40 °C
2.499999993688107e-7 s
32 ul
Open Drain or Open Collector
Active Low
169-NFBGA (12x12)
Texas Instruments
UCD90320UZWST
Supervisor Open Drain or Open Collector 32 Channel 169-NFBGA (12x12)
Sequencer
169-LFBGA
Surface Mount
85 °C
-40 °C
2.499999993688107e-7 s
32 ul
Open Drain or Open Collector
Active Low
169-NFBGA (12x12)

Key Features

Sequence, monitor, and margin 24 voltage rails plus 8 digital railsMonitor and respond to OV, UV, OC, UC, temperature, time-out, and GPI-triggered faultsFlexible sequence-on and off dependencies, delay time, Boolean logic, and GPIO configuration to support complex sequencing aplicationsFour rail profiles for adaptive voltage identification (AVID) voltage regulatorHigh-accuracy closed-loop marginingActive trim function improves rail output voltage accuracyAdvanced nonvolatile event logging to assist system debuggingSingle-event fault log (100 entries)Peak value logBlack box fault log to save status of all rails and I/O pins at the first faultEasily cascade up to 4 power sequencers and take coordinated fault responsesProgrammable watchdog timer and system resetPin-selected rail statePMBus™ 1.2 compliantDual-bank configurations to provide a fail-safe state when programmingSequence, monitor, and margin 24 voltage rails plus 8 digital railsMonitor and respond to OV, UV, OC, UC, temperature, time-out, and GPI-triggered faultsFlexible sequence-on and off dependencies, delay time, Boolean logic, and GPIO configuration to support complex sequencing aplicationsFour rail profiles for adaptive voltage identification (AVID) voltage regulatorHigh-accuracy closed-loop marginingActive trim function improves rail output voltage accuracyAdvanced nonvolatile event logging to assist system debuggingSingle-event fault log (100 entries)Peak value logBlack box fault log to save status of all rails and I/O pins at the first faultEasily cascade up to 4 power sequencers and take coordinated fault responsesProgrammable watchdog timer and system resetPin-selected rail statePMBus™ 1.2 compliantDual-bank configurations to provide a fail-safe state when programming

Description

AI
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 theAdvanced 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 theAdvanced 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.