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Package | Pins | Size

VQFN (RGZ) 48 49 mm² 7.0 x 7.0 VQFN (RGZ) 48 49 mm² 7 x 7 open-in-new Find other Digital power isolated controllers

Features

  • Fully Configurable Multi-Output and Multi-Phase Non-Isolated DC/DC PWM Controller
  • Controls Up To Two Voltage Rails and Up To Four Phases
  • Supports Switching Frequencies Up to 2MHz With 250 ps Duty-Cycle Resolution
  • Up To 1mV Closed Loop Resolution
  • Hardware-Accelerated, 3-Pole/3-Zero Compensator With Non-Linear Gain for Improved Transient Performance
  • Supports Multiple Soft-Start and Soft-Stop Configurations Including Prebias Start-up
  • Supports Voltage Tracking, Margining and Sequencing
  • Supports Current and Temperature Balancing for Multi-Phase Power Stages
  • Supports Phase Adding/Shedding for Multi-Phase Power Stages
  • Sync In /Out Pins Align DPWM Clocks Between Multiple UCD9220 Devices
  • 12-Bit Digital Monitoring of Power Supply Parameters Including:
    • Input Current and Voltage
    • Output Current and Voltage
    • Temperature at Each Power Stage
  • Multiple Levels of Overcurrent Fault Protection:
    • External Current Fault Inputs
    • Analog Comparators Monitor Current Sense Voltage
    • Current Digitally Monitored
  • Over and Undervoltage Fault Protection
  • Overtemperature 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.
  • APPLICATIONS
    • Industrial/ATE
    • Networking Equipment
    • Telecommunications Equipment
    • Servers
    • Storage Systems
    • FPGA, DSP and Memory Power

Fusion Digital Power, Auto-ID are trademarks of Texas Instruments.

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Description

The UCD9220 is a multi-rail, multi-phase synchronous buck digital PWM controller designed for non-isolated DC/DC power applications. This device integrates dedicated circuitry for DC/DC loop management with flash memory and a serial interface to support configuration, monitoring and management.

The UCD9220 was 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, tracking and intelligent phase management to optimize for total system efficiency. Additionally, loop compensation and calibration are supported without the need to add external components.

To facilitate configuring the device, the Texas Instruments Fusion Digital Power™ Designer is provided. This PC based Graphical User Interface offers an intuitive interface to the device. This tool allows the design engineer to configure the system operating parameters for the application, store the configuration to on-chip non-volatile memory and observe both frequency domain and time domain simulations for each of the power stage outputs.

TI has also developed multiple complementary power stage solutions - from discrete drives in the UCD7k family to fully tested power train modules in the PTD family. These solutions have been developed to complement the UCD9k family of system power controllers.

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Technical documentation

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Type Title Date
* Datasheet Digital PWM System Controller datasheet Mar. 03, 2009
* Errata UCD9220 Datasheet Errata Mar. 21, 2009
Application notes Digital Loop Exemplified Sep. 23, 2011
User guides Using the UCD92xx Digital Point-of-Load Controller Apr. 13, 2011
User guides UCD92xx PMBus Command Reference Nov. 03, 2008
Application notes PowerPAD™ Made Easy (Rev. B) May 12, 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Software development

APPLICATION SOFTWARE & FRAMEWORKS Download
Digital Power Software
FUSION_DIGITAL_POWER_DESIGNER Fusion Digital Power™  is the Graphical User Interface (GUI) used to configure and monitor select Texas Instruments digital power controllers and sequencer/health monitors. The application uses the PMBus protocol to communicate with the device over serial bus by way of a TI USB adapter.
Features

Some of the tasks you can perform with the GUI include:

  • Turn on or off the power supply output, either through the hardware control line or the PMBus OPERATION command
  • Monitor real-time data. Items such as input voltage, output voltage, output current, temperature, and warnings/faults are continuously (...)
APPLICATION SOFTWARE & FRAMEWORKS Download
Fusion Digital Power Manufacturing Tool
FUSION_MFR_GUI The Fusion Digital Power Manufacturing Tool (aka MFR GUI) is a Graphical User Interface used to download firmware, upgrade firmware, configure, calibrate and test .

The MFR GUI supports the same devices as Fusion Digital Power Designer software.  This tool is typically used in manufacturing (...)

Features

Some of the tasks the tool can perform include:

  • Download/Upgrade firmware
  • Program a device configuration
  • Calibrate a device (manually or instrumented via GPIB):
    • Input voltage (Vin)
    • Output voltage (Vout)
    • Output current (Iout)
    • Temperature
  • Test the device (validate power conversion falls within acceptable Vout (...)
DEBUG PROBES Download
XDS200 USB Debug Probe
TMDSEMU200-U The Spectrum Digital XDS200 is the first model of the XDS200 family of debug probes (emulators) for TI processors. The XDS200 family features a balance of low cost with good performance between the super low cost XDS110 and the high performance XDS560v2, while supporting a wide variety of standards (...)
$295.00
Features

The XDS200 is the mid-range family of JTAG debug probes (emulators) for TI processors. Designed to deliver good performance and the most common features that place it between the low cost XDS110 and the high performance XDS560v2, the XDS200 is the balanced solution to debug TI microcontrollers (...)

Design tools & simulation

SIMULATION MODELS Download
SLUM104.ZIP (16 KB) - IBIS Model
BILL OF MATERIALS (BOM) Download
SLVR350.PDF (241 KB)

CAD/CAE symbols

Package Pins Download
VQFN (RGZ) 48 View options

Ordering & quality

Support & training

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Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

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