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UCD90124A - 12-Rail Power-Supply Sequencer/Monitor

Description

The UCD90124A 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.

Features

  • 1 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 thre.

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Datasheet preview – UCD90124A

Datasheet Details

Part number UCD90124A
Manufacturer Texas Instruments
File Size 2.64 MB
Description 12-Rail Power-Supply Sequencer/Monitor
Datasheet download datasheet UCD90124A Datasheet
Additional preview pages of the UCD90124A datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community UCD90124A SLVSAN8A – JANUARY 2012 – REVISED FEBRUARY 2020 UCD90124A 12-Rail Power Supply Sequencer and Monitor with ACPI Support and Fan Control" 1 Features •1 Monitor and sequence 12 voltage rails – All rails sampled every 400 μs – 12-bit ADC with 2.5-V, 0.
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