• Part: UCD9222
  • Description: Digital PWM System Controller
  • Manufacturer: Texas Instruments
  • Size: 2.45 MB
UCD9222 Datasheet (PDF) Download
Texas Instruments
UCD9222

Description

The UCD9222 is a two-rail synchronous buck digital PWM controller designed for non-isolated DC/DC power applications.

Key Features

  • 2 Fully Configurable Two-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 pensator 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/Out Pins Align DPWM Clocks Between Multiple UCD92xx Devices
  • 12-Bit Digital Monitoring of Power Supply Parameters Including
  • Input Current and Voltage
  • Output Current and Voltage

Applications

  • Telemunications Equipment