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UCD90160 Datasheet(PDF) 1 Page - Texas Instruments |
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UCD90160 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 41 page Vmarg Closed Loop Margining UCD90160 VMON GPIO 12V GPIO 3.3V OUT VMON 1.8V OUT 0.8V OUT VMON VMON VMON VMON VMON VMON 12V OUT 3.3V OUT 12V OUT 1.8V OUT GPIO GPIO 0.8V OUT PWM 2MHz WDI from main processor GPIO WDO GPIO POWER_GOOD GPIO WARN_OV_0.8V_ OR_12V GPIO SYSTEM RESET GPIO OTHER SEQUENCER DONE (CASCADE INPUT) GPIO I2C/ PMBUS JTAG /EN DC-DC 1 VOUT VFB VIN /EN LDO1 VOUT VIN /EN DC-DC 2 VOUT VFB VIN 3.3V Supply UCD90160 www.ti.com SLVSAC8A – NOVEMBER 2010 – REVISED APRIL 2011 16-Rail Power Supply Sequencer and Monitor with ACPI Support Check for Samples: UCD90160 1 FEATURES DESCRIPTION The UCD90160 is a 16-rail PMBus/I2C addressable 2 • Monitor and Sequence 16 Voltage Rails power-supply sequencer and monitor. The device – All Rails Sampled Every 400 μs integrates a 12-bit ADC for monitoring up to 16 – 12-bit ADC With 2.5-V, 0.5% Internal VREF power-supply voltage inputs. Twenty-six GPIO pins can be used for power supply enables, power-on – Sequence Based on Time, Rail and Pin reset signals, external interrupts, cascading, or other Dependencies system functions. Twelve of these pins offer PWM – Four Programmable Undervoltage and functionality. Using these pins, the UCD90160 offers Overvoltage Thresholds per Monitor support for margining, and general-purpose PWM • Nonvolatile Error and Peak-Value Logging per functions. Monitor (up to 12 Fault Detail Entries) Specific power states can be achieved using the • Closed-Loop Margining for 10 Rails Pin-Selected Rail States feature. This feature allows with the use of up to 3 GPIs to enable and disable – Margin Output Adjusts Rail Voltage to any rail. This is useful for implementing system Match User-Defined Margin Thresholds low-power modes and the Advanced Configuration • Programmable Watchdog Timer and System and Power Interface (ACPI) specification that is used Reset for hardware devices. • Pin Selected Rail States for ACPI Support The TI Fusion Digital Power ™ designer software is • Flexible Digital I/O Configuration provided for device configuration. This PC-based graphical user interface (GUI) offers an intuitive • Multiphase PWM Clock Generator interface for configuring, storing, and monitoring all – Clock Frequencies From 15.259 kHz to 125 system operating parameters. MHz – Capability to Configure Independent Clock Outputs for Synchronizing Switch-Mode Power Supplies • JTAG and I2C/SMBus/ PMBus ™ Interfaces APPLICATIONS • Industrial / ATE • Telecommunications and Networking Equipment • Servers and Storage Systems • Any System Requiring Sequencing and Monitoring of Multiple Power Rails 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PMBus, Fusion Digital Power are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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