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UCD9222RGZT

PWM Controller, 3V-3.6V supply, 2 MHz, VQFN-48

UCD9222RGZT - PWM Controller, 3V-3.6V supply, 2 MHz, VQFN-48

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Manufacturer Part No:
UCD9222RGZT
Order Code:
2783577RL

Product Overview

The UCD9222RGZT is a two-rail synchronous buck digital Pulse Width Modulation (PWM) Controller designed for non-isolated DC/DC power applications. This device integrates dedicated circuitry for DC/DC loop management with support for up to two VID interfaces. Additionally, it has flash memory and a serial interface to support configurability, monitoring and management. Several Voltage Identification (VID) modes are supported, including a 4-bit parallel interface, a 6-bit interface and a 8-bit serial interface. It is designed to provide a wide variety of desirable features for non-isolated DC/DC converter applications while minimizing the total system component count by reducing external circuits. The solution integrates multi-loop management with sequencing, margining and tracking to optimize for total system efficiency. Additionally, loop compensation and calibration are supported without the need to add external components.
  • Fully configurable two-output non-isolated DC/DC
  • Duty-cycle resolution
  • Up to 1mV closed loop resolution
  • Supports multiple soft-start and soft-stop configurations including prebias start-up
  • Supports voltage margining and sequencing
  • Auxiliary ADC inputs
  • Multiple levels of over-current fault protection
  • External current fault inputs
  • Analog comparators monitor current sense voltage
  • Current continually digitally monitored
  • Over and under-voltage fault protection
  • Over-temperature fault protection
  • Enhanced nonvolatile memory with error correction code (ECC)
  • Device operates from a single supply with an internal regulator
  • Controller that allows operation over a wide supply voltage range
  • Supported by Fusion Digital Power™ designer, a full featured
  • PC based design tool to simulate, configure and monitor power supply performance
  • Green product and no Sb/Br

Applications

Power Management, Communications & Networking, Industrial

Product Information

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3V

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3.6V

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VQFN

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48Pins

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2MHz

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-40°C

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125°C

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MSL 3 - 168 hours
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