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UCD90160 Datasheet PDF - Texas Instruments

Part NumberUCD90160 TI
Texas Instruments TI
Description16-Rail Power Supply Sequencer and Monitor with ACPI Support
UCD90160 Datasheet PDF : UCD90160 pdf   


UCD90160 image

Description
The UCD90160 is a 16-rail PMBus/I2C addressable power-supply sequencer and monitor. The device integrates a 12-bit ADC for monitoring up to 16 power-supply voltage inputs. Twenty-six GPIO pins can be used for power supply enables, power-on reset signals, external interrupts, cascading, or other system functions. Twelve of these pins offer PWM functionality. Using these pins, the UCD90160 offers support for margining, and general-purpose PWM functions.
Specific power states can be achieved using the Pin-Selected Rail States feature. This feature allows with the use of up to 3 GPIs to enable and disable any rail. This is useful for implementing system low-power modes and the Advanced Configuration and Power Interface (ACPI) specification that is used for hardware devices.
The TI Fusion Digital Power™ designer software is provided for device configuration. This PC-based graphical user interface (GUI) offers an intuitive interface for configuring, storing, and monitoring all system operating parameters.

Features
• Monitor and Sequence 16 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 Thresholds
• Programmable Watchdog Timer and System
   Reset
• Pin Selected Rail States for ACPI Support
• Flexible Digital I/O Configuration
• Multiphase PWM Clock Generator
   – Clock Frequencies From 15.259 kHz to 125
      MHz
   – Capability to Configure Independent Clock
      Outputs for Synchronizing Switch-Mode Power
      Supplies
• JTAG and I2C/SMBus/PMBus™ Interfaces

Applications
• Industrial and ATE
• Telecommunications and Networking Equipment
• Servers and Storage Systems
• Systems Requiring Sequencing and Monitoring of
   Multiple Power Rails

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