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DATA SHEET
UCD9244-EP Digital PWM System Controller with 4-Bit, 6-Bit, or 8-Bit VID Support
1 Features
- Fully Configurable Four-Output Non-Isolated DC/DC PWM Controller with support for TMS320C6670™ and TMS320C6678™ DSP VID interface
- 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 Margining and Sequencing
- Sync In Terminal Aligns DPWM Clocks Between Multiple UCD92xx Devices
- 12-Bit Digital Monitoring of Power Supply Parameters Including:
- Input Current and Voltage
- Output Current and Voltage
- Temperature at Each Power Stage
- Auxiliary ADC Inputs
- Multiple Levels of Over-current Fault Protection:
- External Current Fault Inputs
- Analog Comparators Monitor Current Sense Voltage
- Current Continually Digitally Monitored
- Over and Under-voltage Fault Protection
- Over-temperature 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.
- Supports Defense, Aerospace, and Medical Applications
- Controlled Baseline
- One Assembly and Test Site
- One Fabrication Site
- Available in Military (–55°C to 125°C) Temperature Range
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
2 Applications
- Networking Equipment
- Telecommunications Equipment
- FPGA, DSP, and Memory Power
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