Description
The UCD9081EVM facilitates evaluation of the UCD9081 Power Supply Sequencer and Monitor. The UCD9081EVM allows a user to configure sequencing and monitoring of the 8 on board power supplies or external power supplies via on board headers.
Features
- 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
