UCD90160 – 16-Rail Power Supply Sequencer and Monitor

Part Number: UCD90160

Function: 16-Rail Power Supply Sequencer and Monitor

Package: VQFN 64 Pin Type

Manufacturer: Texas Instruments


UCD90160 datasheet



The UCD90160 is a 16-rail PMBus/I2C addressable power-supply sequencer and monitor. The device integrates a 12-bit ADC for monitoring up to 16 power-supply voltage inputs. Twenty-six GPIO pins can be used for power supply enables, power-on reset signals, external interrupts, cascading, or other system functions. Twelve of these pins offer PWM functionality.

Using these pins, the device offers support for margining, and general-purpose PWM functions. Specific power states can be achieved using the Pin-Selected Rail States feature. This feature allows with the use of up to 3 GPIs to enable and disable any rail. This is useful for implementing system low-power modes and the Advanced Configuration and Power Interface (ACPI) specification that is used for hardware devices.


1. Monitor and sequence 16 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


UCD90160 Datasheet PDF Download

UCD90160 pdf

Other data sheets are available within the file: UCD90160RGCR, UCD90160RGCT