Datasheet Details
| Part number | UCD90120A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 2.46 MB |
| Description | 12-Rail Power-Supply Sequencer/Monitor |
| Datasheet |
 UCD90120A Datasheet
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General Description
The UCD90120A is a 12-rail PMBus/I2C addressable power-supply sequencer and monitor.
The device integrates a 12-bit ADC for monitoring up to 12 power-supply voltage inputs.
Key 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 Thre.