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UCD9090 - 10-Channel Power-Supply Sequencer/Monitor

Datasheet Summary

Description

The UCD9090 is a 10-rail PMBus/I2C addressable power-supply sequencer and monitor.

The device integrates a 12-bit ADC for monitoring up to 10 power-supply voltage inputs.

Features

  • 1 Monitor and sequence 10 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 30 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 – UCD9090

Datasheet Details

Part number UCD9090
Manufacturer Texas Instruments
File Size 3.00 MB
Description 10-Channel Power-Supply Sequencer/Monitor
Datasheet download datasheet UCD9090 Datasheet
Additional preview pages of the UCD9090 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design UCD9090 SLVSA30D – APRIL 2011 – REVISED MARCH 2019 UCD9090 10-rail power supply sequencer and monitor with ACPI support 1 Features •1 Monitor and sequence 10 voltage rails – All rails sampled every 400 μs – 12-bit ADC with 2.5-V, 0.
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