UCD9224RGZR-UCD9224RGZT Fast Delivery |IC PHOENIX CO.,LIMITED

UCD9224RGZT ,Digital PWM System Controller 48-VQFN -40 to 125features for non-isolated DC/DC• Sync In/Out Pins Align DPWM Clocks Betweenconverter applications w ..
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UCD9224RGZR-UCD9224RGZT
Digital PWM System Controller
UCD9224
www.ti.com SLVSA35 –JANUARY 2010
Digital PWM System Controller
1FEATURES Toolto Simulate, Configure, and Monitor
Power Supply Performance Fully Configurable Multi-Output and Multi-
Phase Non-Isolated DC/DC PWM Controller APPLICATIONS• Controls Upto2 Voltage Rails and Upto4 • Industrial/ATEPhases Networking Equipment• Supports Switching Frequencies Upto 2MHz • Telecommunications Equipmentwith 250 ps Duty-Cycle Resolution Servers• Up To 1mV Closed Loop Resolution Storage Systems• Hardware-Accelerated, 3-Pole/3-Zero • FPGA, DSP and Memory PowerCompensator with Non-Linear Gain for
Improved Transient Performance DESCRIPTION• Supports Multiple Soft-Start and Soft-Stop
The UCD9224 is a multi-rail, multi-phaseConfigurations Including Prebias Start-up
synchronous buck digital PWM controller designedfor• Supports Voltage Tracking, Margining and non-isolated DC/DC power applications. This deviceSequencing integrates dedicated circuitry for DC/DC loop• Supports Current and Temperature Balancing management with flash memory anda serial interface
for Multi-Phase Power Stages to support configurability, monitoring and
management.• Supports Phase Adding/Shedding for
Multi-Phase Power Stages The UCD9224 was designed to providea wide
varietyof desirable features for non-isolated DC/DC• Sync In/Out Pins Align DPWM Clocks Between
converter applications while minimizing the totalMultiple UCD92xx Devices system component count by reducing external• 12-Bit Digital Monitoringof Power Supply circuits. The solution integrates multi-loopParameters Including: management with sequencing, margining, tracking Input/Output Current and Voltage and intelligent phase management to optimize for
total system efficiency. Additionally, loop– Temperatureat Each Power Stage compensation and calibration are supported without• Multiple Levelsof Over-current Fault the needto add external components.Protection: facilitate configuring the device, the Texas– External Current Fault Inputs Instruments Fusion Digital Power™ Designer is Monitor Current provided. This PC based Graphical User Interface offers an intuitive interfaceto the device. This tool
allows the design engineerto configure the system Monitored
operating parameters for the application, store the Fault Protection non-volatile memory and domain and time domain simulationsfor each TI has also developed• Device Operates Supply with an stage solutions– drivers Allows familyto fully tested power train modulesin Voltage Range family. These solutions been to
complement the UCD9k family of controllers. Design

Partno	Mfg	Dc	Qty	Available	Descript
UCD9224RGZR	TI	N/a	4	avai	Digital PWM System Controller 48-VQFN -40 to 125
UCD9224RGZT	TI	N/a	56	avai	Digital PWM System Controller 48-VQFN -40 to 125