UCD9090QRGZRQ1

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Sequencer
Number of Voltages Monitored:	10
Output:	--
Reset:	Active Low
Reset Timeout:	2 µs Minimum
Voltage - Threshold:	Adjustable/Selectable
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-VQFN (7x7)
Base Part Number:	UCD9090

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Introduction

The UCD9090QRGZRQ1 PMIC - Supervisors (Power Management IC – Supervisors) is a high-performance integrated protection and monitoring circuit with excellent usability and is suitable for use in advanced, AC-DC and DC-DC applications with digital power supplies. It is specifically designed to protect against voltage over-current and overvoltage conditions. Additionally, it has built-in monitoring and control functions, which can be configured to suit specific application requirements.

Application Field

UCD9090QRGZRQ1 PMIC - Supervisors can be used in a wide range of applications including DC-DC converters, motor drives, switched mode power supplies (SMPS), AC-DC adapters, server power supplies, lighting and industrial control systems. It is designed to protect power stages in both AC-DC and DC-DC applications, and can be used with a wide range of input and output voltages.The device supports several different power-line protection functionality including voltage over-current and overvoltage protection, enabling system designers to maintain the safety of a variety of power systems. Additionally, the device supports six different configurable channels for monitoring and control of node or stage current, circuit temperature, and power supply voltage.

Working Principle

The UCD9090QRGZRQ1 PMIC - Supervisors uses a combination of analog and digital monitoring and protection technologies to protect digital power supplies. The device includes a built-in digital watchdog timer to detect and alert any faulty behavior with the power supply system, while the integrated analog monitoring circuits continuously monitor and adjust output voltages, currents, and temperatures.The device uses an onboard threshold / reset input pin to provide power-on self-test (POST) of the power supply system, and acts as a “heartbeat” signal to the power supply system. This ensures that the power supply remains operating correctly and that undervoltage and overvoltage conditions are checked regularly.The UCD9090QRGZRQ1 PMIC - Supervisors also contains an integrated voltage supervisor circuit, which is designed to ensure the correct shut-down of the power supply system in the event of an overvoltage or undervoltage condition. The supervisor circuit also can be programmed to alert users of any dangerous voltage conditions that may occur in the power supply system.

Conclusion

The UCD9090QRGZRQ1 Power Management IC – Supervisors is a highly integrated and flexible solution for protecting digital power supplies. Its sophisticated analog and digital protection circuits ensure the safety and reliable operation of a variety of digital power supply systems. The supervisor circuit actively monitors the system and can be programmed to alert users of any dangerous voltage conditions that may occur in the power supply system. With its excellent usability and integrated protection and monitoring features, the UCD9090QRGZRQ1 is the perfect choice for advanced, AC-DC, and DC-DC applications with digital power supplies.

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