UCD90320ZWST Information

UCD90320 32-Rail PMBus Power Sequencer

Texas Instruments UCD90320 32-Rail PMBus Power Sequencer is an addressable power sequencer and system manager in a compact 0.8mm pitch BGA package. The 24 integrated ADC channels (AMONx) monitor the power supply voltage, current, and temperature. Eighty-four GPIO pins can be used for 8 digital monitors (DMONx) and 32 power supply enable (ENx). The GPIO pins can also be used for 24 margining (MARx), 16 Logical GPO, 32 GPI, cascading, and system functions. The 32 ENx pins and the 16 LGPOx pins can be configured to be active driven or open drain outputs. Non-volatile 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. Fault pin feature coordinates among cascaded devices to take synchronized fault responses. The pin-selected rail states feature employs 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 (ACPI) specification.

Specifications

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Alternate Names

Texas Instruments has several brands around the world that may have alternate names for UCD90320ZWST due to regional differences or acquisition. UCD90320ZWST may also be known as the following names: