explain

The UCD9090 is a 10 track PMBus/I2C addressable power sequencer and monitor. The device integrates a 12 bit ADC, which can monitor up to 10 power supply voltage inputs. 23 GPIO pins can be used for power enable, power on reset signal, external interrupt, cascade or other system functions

Yes. 10 of the pins provide PWM function. With these pins, the UCD9090 supports margin adjustment and general PWM functions. Use the pin selection voltage rail status function to achieve specific power status.

This function allows up to 3 GPIs to be used to enable and disable any voltage rail. For the low power consumption mode of the execution system and advanced configuration for hardware devices

This is useful in terms of the power interface (ACPI) specification. TI Fusion Digital Power ™ The designer software provides the device configuration

Set. This PC based user interface (UI) provides an intuitive interface for configuring, storing, and monitoring all system operating parameters.

characteristic

10 voltage rails can be monitored and sequenced

– Every 400 voltage rails μ S Take a sample

– 12 bit ADC with 2.5V, 0.5% internal VREF

– Sorting is based on time, voltage track and pin correlation

– Each monitor has 4 programmable undervoltage and overvoltage thresholds

Each monitor can provide non-volatile error and peak logging (up to 30 fault detailed entries)

Closed loop margin adjustment capability for 10 voltage rails

– The margin output adjusts the rail voltage to match the user-defined margin threshold

Programmable watchdog timer and system reset

Flexible digital I/O configuration

Pin selection voltage rail status

Cascade multiple devices

Multiphase PWM clock generator

The clock frequency is 15.259kHz to 125MHz

Capable of configuring independent clock output for synchronous switching mode power supply

JTAG and I 2C/SMBus/PMBUS ™ Interface

application

Industrial and automatic test equipment (ATE)

Telecommunication and network equipment

Server and storage system

Any system that requires sequencing and monitoring of multiple power rails