UCD90124 Overview
Key Specifications
Package: VQFN
Mount Type: Surface Mount
Pins: 64
Operating Voltage: 3.3 V
Description
The UCD90124 is a 12-rail PMBus/I2C addressable power-supply sequencer and system-health monitor. The device integrates a 12-bit ADC for monitoring up to 13 power-supply voltage, current, or temperature inputs.
Key Features
- Nonvolatile Error and Peak-Value Logging per Monitor (up to 10 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
- Internal Temperature Sensor
- JTAG and I2C/SMBus/ PMBus™ Interfaces
