UCD90120A
Features
- 1 Monitor and Sequence 12 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
- Flexible Digital I/O Configuration
- Pin-Selected Rail States
- Multiphase PWM Clock Generator
- Clock Frequencies From 15.259 k Hz to 125 MHz
- Capability to Configure Independent Clock Outputs for Synchronizing Switch-Mode Power Supplies
- JTAG and I2C/SMBus/PMBus™ Interfaces
2 Applications
- Industrial / ATE
- Telemunications and Networking Equipment
- Servers and Storage Systems
- Any System Requiring Sequencing and Monitoring of Multiple Power Rails
3 Description
The UCD90120A is a 12-rail...
