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UCD9222WRGZREP Datasheet(PDF) 1 Page - Texas Instruments

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Part # UCD9222WRGZREP
Description  DIGITAL PWM SYSTEM CONTROLLER WITH 4-BIT, 6-BIT, OR 8-BIT VID SUPPORT
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCD9222WRGZREP Datasheet(HTML) 1 Page - Texas Instruments

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UCD9222-EP
www.ti.com
SLVSBY1 – OCTOBER 2013
DIGITAL PWM SYSTEM CONTROLLER WITH 4-BIT, 6-BIT, OR 8-BIT VID SUPPORT
Check for Samples: UCD9222-EP
1
FEATURES
2
Fully Configurable Two-Output Non-Isolated
Over and Under-Voltage Fault Protection
DC/DC PWM Controller with support for
Over-Temperature Fault Protection
TMS320C6670™ and TMS320C6678™ DSP VID
Enhanced Nonvolatile Memory With Error
interface
Correction Code (ECC)
Supports Switching Frequencies Up to 2MHz
Device Operates From a Single Supply With an
With 250 ps Duty-Cycle Resolution
Internal Regulator Controller That Allows
Up To 1mV Closed Loop Resolution
Operation Over a Wide Supply Voltage Range
Hardware-Accelerated, 3-Pole/3-Zero
Supported by Fusion Digital Power™
Compensator with Non-Linear Gain for
Designer, a Full Featured PC Based Design
Improved Transient Performance
Tool to Simulate, Configure, and Monitor
Supports Multiple Soft-Start and Soft-Stop
Power Supply Performance.
Configurations Including Prebias Start-up
APPLICATIONS
Supports Voltage Margining and Sequencing
Networking Equipment
Sync In/Out Pins Align DPWM Clocks Between
Multiple UCD92xx Devices
Telecommunications Equipment
12-Bit Digital Monitoring of Power Supply
FPGA, DSP, and Memory Power
Parameters Including:
SUPPORTS DEFENSE, AEROSPACE,
Input Current and Voltage
AND MEDICAL APPLICATIONS
Output Current and Voltage
Controlled Baseline
Temperature at Each Power Stage
One Assembly and Test Site
Auxiliary ADC Inputs
One Fabrication Site
Multiple Levels of Over-current Fault
Protection:
Available in Extended (–55°C to 115°C)
Temperature Range
External Current Fault Inputs
Extended Product Life Cycle
Analog Comparators Monitor Current
Sense Voltage
Extended Product-Change Notification
Current Continually Digitally Monitored
Product Traceability
DESCRIPTION
The UCD9222 is a two-rail synchronous buck digital 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, the UCD9222 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
an 8-bit serial interface.
The UCD9222 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 and tracking to optimize for total system
efficiency. Additionally, loop compensation and calibration are supported without the need to add external
components.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
TMS320C6670, TMS320C6678, Fusion Digital Power, Auto-ID are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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