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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The UCD90320 device is a 32-rail PMBus addressable power sequencer and system manager in a compact 0.8-mm pitch BGA package.
The 24 integrated ADC channels (AMONx) monitor the power supply voltage, current, and temperature. Eighty-four GPIO pins can be used for 8 digital monitor (DMONx), 32 power supply enable (ENx), 24 margining (MARx), 16 Logical GPO, 32 GPI, cascading, and system function.
The 32 ENx pins and the 16 LGPOx pins can be configured to be active driven or open drain outputs.
Nonvolatile event logging preserves fault events after power dropout. Black box fault log feature preserves the status for all rails and I/O pins when the first fault occurs. The cascading feature offers convenient ways to manage up to 128 voltage rails through one SYNC_CLK pin connection. Fault pin feature coordinates among cascaded devices to take synchronized fault responses. The pin-selected rail states feature employs up to 3 GPIs to control up to eight user-defined power states. These states can implement system low-power modes as outlined in the (ACPI) specification.

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UCD90320ZWST Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	169 Pin
Case/Package	NFBGA-169
Supply Voltage (DC)	3.15V (min)
Output Current	0.025 A
Supply Current	54.9 mA
Quiescent Current	31.4 mA
Threshold Voltage	3 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	3.63 V
Supply Voltage (Min)	3.15 V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status
REACH SVHC Compliance Edition	2016/06/20
ECCN Code	EAR99

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