UCD9080 - Power Supply Sequencer and Monitor

UCD9080是TI德州仪器公司的一款无产品，UCD9080是Power Supply Sequencer and Monitor，本站介绍了UCD9080的封装应用图解、特点和优点、功能等，并给出了与UCD9080相关的TI元器件型号供参考。

UCD9080 - Power Supply Sequencer and Monitor - 无 - 序列发生器 - 德州仪器

产品描述

The UCD9080 power-supply sequencer controls the enable sequence of up to eight independent voltage rails and provides four general-purpose digital outputs. 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 UCD9080 monitors the voltage rails independently at more than a 20-kHz rate and has a high degree of rail sequence and rail error-response configurability. 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 UCD9080 monitors can be configured to shut down a user-defined set of other rails, and alarm conditions are monitored on a per-rail basis.

Figure 1 shows the UCD9080 power-supply sequencer in a typical application.

产品特性

Single Supply Voltage: 3.3 V
Low Power Consumption
Sequences and Monitors up to Eight Voltage Rails
Rail Voltages Sampled Every 50 µs With 3.2-mV Resolution
Four Configurable Digital Outputs for Power-On Reset and Other Functions
Configurable Rail-Enable Output Polarity
Flexible Rail Sequencing: Timeline (ms), Parent Rail Regulation Window, Parent Rail Achieving Defined Threshold
Under- and Overvoltage Thresholds: Settable Per-Rail
Regulation Expiration Time: Settable Per-Rail
Flexible Rail Shutdown: Parent Rail Shutdown Can Shut Down Child Rails, Independent Rail Configuration
Per-Rail Alarm Conditions, With Timestamp: Under- and Overvoltage Glitch, Sustained Under- and/or Overvoltage, Rail Did Not Start
I2C Interface for Configuration and Monitoring
Microsoft™ Windows™ GUI for Configuration and Monitoring
APPLICATIONS
- Telecommunications Switches
- Servers
- Networking Equipment
- Test Equipment
- Any System Requiring Sequencing of Multiple Voltage Rails

TMS320 is a trademark of Texas Instruments. Microsoft, Windows are trademarks of Microsoft Corporation. All other trademarks are the property of their respective owners.

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