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UCD90120 Datasheet 12-channel Sequencer And System Health Monitor

Manufacturer: Texas Instruments

Overview: UCD90120 www.ti.com..........................................................................................................................................................................................

General Description

The UCD90120 Power Supply Sequencer and System Health Monitor monitors and sequences up to 12 independent voltage rails.

The device integrates a 12-bit ADC with a 2.5V internal reference for monitoring up to 13 power supply voltage, current, or temperature inputs.

26 GPIO pins can be used for power supply enables, power-on reset signals, external in

Key Features

  • 1.
  • 2 Monitor and Sequence 12 Voltage Rails.
  • All Rails Sampled Every 200µs.
  • 12-bit ADC With 2.5V, 0.5% Internal VREF.
  • Sequence Based on Time, Rail and Pin Dependencies.
  • Six Hardware Comparators for Power Supply Fault Response in < 80µs.
  • Four Programmable Under-Voltage and Over-Voltage Thresholds per Monitor.
  • Programmable Fault Response Including Retries, Shutdown Slaves and Resequence.
  • Non-Volatile Error Logging.
  • Stor.

UCD90120 Distributor

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