UCD90120

UCD90120 www.ti.com.......................................................................................................................................................................................... SLVS966 – SEPTEMBER 2009 UCD90120 12-Channel Sequencer and System Health Monitor FEATURES 1 2 Monitor and Sequence 12 Voltage Rails – All Rails Sampled Every 200µs – 12-bit ADC With 2.5V, 0.5% Internal VREF – Sequence Based on Time, Rail and Pin Dependencies – Six Hardware Comparators for Power Supply Fault Response in < 80µs – Four Programmable Under-Voltage and Over-Voltage Thresholds per Monitor – Programmable Fault Response Including Retries, Shutdown Slaves and Resequence Non-Volatile Error Logging – Stores Up To 18 Faults – Log Peak Values For All Monitor Inputs Closed Loop Margining for 10 Rails – Margin Output Adjusts Rail Voltage to Match User-Defined Margin Thresholds – Unused Margin Outputs can be Used as GPIOs or General-Purpose PWM Outputs Watchdog Timer and System Reset – Programmable WDT Reset and Start Times – Configurable System Reset Pulse Widths Flexible Digital I/O Configuration – Boolean Logic Builder for GPO Config – GPIOs can be Used as Enables, Resets, Power Good and Other On-Board Functions Wide Range Single Supply (3.3V to 12V) – Internal Temperature Sensor – 64-Pin QFN Package JTAG and I2C/SMBus/PMBus Interfaces Fusion Digital Power™ GUI for Configuring and Monitoring Device Operation APPLICATIONS Industrial / ATE Telecommunica...