UCD9244 Series
2 MHz, 4 rail, 4 phase digital PWM buck controller with 4/6/8-bit parallel VID
Manufacturer: Texas Instruments
Catalog(2 parts)
| Part | Mounting Type | Package / Case | Current - Supply▲▼ | Voltage - Supply▲▼ | Voltage - Supply▲▼ | Applications | Supplier Device Package | Operating Temperature▲▼ | Operating Temperature▲▼ |
|---|---|---|---|---|---|---|---|---|---|
Surface Mount | 64-VFQFN Exposed Pad | 0.00800000037997961 A | 3.5999999046325684 V | 3 V | PWM Controller | 64-VQFN (9x9) | -40 °C | 85 °C | |
Surface Mount | 64-VFQFN Exposed Pad | 0.00800000037997961 A | 3.5999999046325684 V | 3 V | PWM Controller | 64-VQFN (9x9) | -40 °C | 125 °C |
Key Features
• Fully Configurable Four-Output Non-Isolated DC/DCPWM Controller with support for TMS320C6670™ andTMS320C6678™ DSP VID interfaceSupports Switching Frequencies Up to 2MHz With 250 psDuty-Cycle ResolutionUp To 1mV Closed Loop ResolutionHardware-Accelerated, 3-Pole/3-Zero Compensator withNon-Linear Gain for Improved Transient PerformanceSupports Multiple Soft-Start and Soft-Stop ConfigurationsIncluding Prebias Start-upSupports Voltage Margining and SequencingSync In Pin Aligns DPWM Clocks Between Multiple UCD92xx Devices12-Bit Digital Monitoring of Power Supply Parameters Including:Input Current and VoltageOutput Current and VoltageTemperature at Each Power StageAuxiliary ADC InputsMultiple Levels of Over-current Fault Protection:External Current Fault InputsAnalog Comparators Monitor Current Sense VoltageCurrent Continually Digitally MonitoredOver and Under-voltage Fault ProtectionOver-temperature Fault ProtectionEnhanced Nonvolatile Memory With Error Correction Code (ECC)Device Operates From a Single Supply With an Internal RegulatorController That Allows Operation Over a Wide Supply Voltage RangeSupported by Fusion Digital Power™ Designer, a Full FeaturedPC Based Design Tool to Simulate, Configure, and MonitorPower Supply Performance.APPLICATIONSNetworking EquipmentTelecommunications EquipmentFPGA, DSP, and Memory PowerTMS320C6670, TMS320C6678, Fusion Digital Power, Auto-ID are trademarks of Texas Instruments.Fully Configurable Four-Output Non-Isolated DC/DCPWM Controller with support for TMS320C6670™ andTMS320C6678™ DSP VID interfaceSupports Switching Frequencies Up to 2MHz With 250 psDuty-Cycle ResolutionUp To 1mV Closed Loop ResolutionHardware-Accelerated, 3-Pole/3-Zero Compensator withNon-Linear Gain for Improved Transient PerformanceSupports Multiple Soft-Start and Soft-Stop ConfigurationsIncluding Prebias Start-upSupports Voltage Margining and SequencingSync In Pin Aligns DPWM Clocks Between Multiple UCD92xx Devices12-Bit Digital Monitoring of Power Supply Parameters Including:Input Current and VoltageOutput Current and VoltageTemperature at Each Power StageAuxiliary ADC InputsMultiple Levels of Over-current Fault Protection:External Current Fault InputsAnalog Comparators Monitor Current Sense VoltageCurrent Continually Digitally MonitoredOver and Under-voltage Fault ProtectionOver-temperature Fault ProtectionEnhanced Nonvolatile Memory With Error Correction Code (ECC)Device Operates From a Single Supply With an Internal RegulatorController That Allows Operation Over a Wide Supply Voltage RangeSupported by Fusion Digital Power™ Designer, a Full FeaturedPC Based Design Tool to Simulate, Configure, and MonitorPower Supply Performance.APPLICATIONSNetworking EquipmentTelecommunications EquipmentFPGA, DSP, and Memory PowerTMS320C6670, TMS320C6678, Fusion Digital Power, Auto-ID are trademarks of Texas Instruments.
Description
AI
The UCD9244 is a four-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 four VID interfaces. Additionally, the UCD9244 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 UCD9244 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.
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 drivers in the UCD7k family to fully tested power train modules in the PTD family. These solutions have been developed to complement the UCD92xx family of system power controllers.
The UCD9244 is a four-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 four VID interfaces. Additionally, the UCD9244 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 UCD9244 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.
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 drivers in the UCD7k family to fully tested power train modules in the PTD family. These solutions have been developed to complement the UCD92xx family of system power controllers.