TEXAS INSTRUMENTS UCD90120ARGCT 电源定序器-监视器, 低电平有效复位, 12监视器, 3V-3.6V输入, VQFN-64
The is a 12-rail PMBus/I²C addressable Power-supply Sequencer and Monitor with ACPI support. The device integrates a 12-bit ADC for monitoring up to 12 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 UCD90120A 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. The Fusion Digital Power™ designer software is provided for device configuration.
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