UCD9240 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

UCD9240
Manufacturer

TI
ChipWorker Part#

CW486820963
RoHS

Lead free / RoHS Compliant
Description

Digital Point of Load System Controller 80-TQFP -40℃ to 125℃
Documentation

Datasheet

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UCD9240 Specifications

Attribute	Attribute Value

Part Number	UCD9240
Manufacturer	TI
ChipWorker Part#	CW486820963
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The UCD9240 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 configurability, monitoring and management.
The UCD9240 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.
Fully Configurable Multi-Output and Multi-Phase Non-Isolated DC/DC PWM Controller
Controls Up To FourVoltage Rails and Up To Eight 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 UCD9240 Devices
Fan Monitoring and Control
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 Continually 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

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