UCD90124A
UCD90124A is 12-Rail Power-Supply Sequencer/Monitor manufactured by Texas Instruments.
Product Folder
Order Now
Technical Documents
Tools & Software
Support & munity
SLVSAN8A
- JANUARY 2012
- REVISED FEBRUARY 2020
UCD90124A 12-Rail Power Supply Sequencer and Monitor with ACPI Support and Fan Control"
1 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
- Fan control and monitoring system functions.
- Supports four fans with five user-defined speed-vs-temperature setpoints
- Supports two-, three-, and four-wire fans
2 Applications
- Industrial...
