UCD9081 - 电源序列发生器和监控器

UCD9081是TI德州仪器公司的一款无产品，UCD9081是电源序列发生器和监控器，本站介绍了UCD9081的封装应用图解、特点和优点、功能等，并给出了与UCD9081相关的TI元器件型号供参考。

UCD9081 - 电源序列发生器和监控器 - 无 - 序列发生器 - 德州仪器

产品描述

The UCD9081 power-supply sequencer controls the enable sequence of up to eight independent voltage rails and provides four general-purpose digital outputs (GPO). The device operates from a 3.3-V supply, provides 3.2-mV resolution of voltage rails, and requires no external memory or clock. The UCD9081 monitors the voltage rails independently and has a high degree of rail sequence and alarm response options. The sequencing of rails can be based on timed events or on timed events in conjunction with other rails achieving regulation or a voltage threshold. In addition, each rail is monitored for undervoltage and overvoltage glitches and thresholds. Each rail the UCD9081 monitors can be configured to shut down a user-defined set of other rails and GPOs, and alarm conditions are monitored on a per-rail basis.

产品特性

Single Supply Voltage: 3.3V
Low Power Consumption: 3mA Nominal Supply Current
Sequences and Monitors Eight Voltage Rails
Rail Voltages Sampled With 3.2-mV Resolution
Internal or External Voltage Reference
Four Configurable Digital Outputs for Power-On Reset and Other Functions
Configurable Digital Output Polarity
Flexible Rail Sequencing Based On Timeline (ms), Parent Rail Regulation Window, Or Parent Rail Achieving Defined Threshold
Independent Under- and Overvoltage Thresholds Per Rail
Configurable Regulation Expiration Times Per Rail
Flexible Alarm Processing: Ignore, Log Only, Retry n Times, Retry Continuously, Sequence, Parent Rail Can Shutdown Child Rails
Alarm Conditions Logged With Timestamp: Under- and Overvoltage Glitch, Sustained Under- and Overvoltage, Rail Did Not Start
On-chip Flash for Storing User Data
Error Logging to Flash for System Failure Analysis
I2C Interface for Configuration and Monitoring
Microsoft™ Windows™ GUI for Configuration and Monitoring
APPLICATIONS
- Telecommunications Switches
- Servers
- Networking Equipment
- Test Equipment
- Industrial
- Any System Requiring Sequencing of Multiple Voltage Rails

TMS320 Is a trademark of Texas Instruments

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